Manufacturer since 2009 · Tongling, Anhui ISO certified Licensed for hazardous & precursor chemicals
[email protected] · +86 186 5620 1888
Eapearl Chemical

Methylene Chloride

MC

CAS 75-09-2 EC 200-819-8 CH2Cl2 Precursor SDS published CLP Warning
IARC第2A组 — 可能对人类致癌
CAS: 75-09-2 | IARC来源
US TSCACA DSL_TOXICMolGod评分:主要

⚠️ Note: This safety data sheet is provided in English; a localized version is being prepared.

MolGod_SDSCARD_1
REACH 2020/878
v2 · 08.09.2026

Specification

Product NameMethylene Chloride
Other NamesMC
CAS No.75-09-2
EINECS No.200-819-8
MFCH2Cl2
Molecular weight84.93
Purity99.9%
Appearancecolorless clear liquid
Density1.325 g/cm³
Melting point-96.7 °C
Boiling point39.8 °C
saturated vapor pressure46.5 kPa

Values are typical for the standard grade. Tighter specifications are available — state the target in your inquiry and we confirm against the production batch.

Hazard classification

GHS pictogram GHS08 — Health hazard

Warning

Harmonised classification (EU) — ECHA Annex VI (harmonised, ATP 23; 2026-07-07)

  • H351 Suspected of causing cancer
Precautionary statements (3)
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P271 Use only outdoors or in a well-ventilated area
  • P281 Use personal protective equipment as required

European Chemicals Agency. "dichloromethane; methylene chloride, Index No. 602-004-00-3." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

Substance identity verified against the registry entry on 2026-09-02.

Packaging and shipping

Drum270 kg
IBC Drum1127 kg
ISO tank (20ft)24–26 m³
ISO tank (40ft)48–50 m³
Methylene Chloride
Methylene Chloride
Methylene Chloride
Methylene Chloride

Dichloromethane (Methylene Chloride, abbreviated as MC or DCM), with the chemical formula CH₂Cl₂, is a colorless transparent, highly volatile, organic chlorinated hydrocarbon liquid with a pungent sweet taste similar to ethers. The dichloromethane product provided by Anhui Yipu Chemicals has strict purity control and low moisture and impurity content. Its most notable characteristic is an extremely low boiling point (approximately 39.8°C), non-flammability, and strong solubility for various organic substances such as resins, oils, and rubbers. These properties make it an ideal alternative to flammable solvents like petroleum ether and ethyl ether, and it plays an irreplaceable role in industrial cleaning, paint stripping, pharmaceutical synthesis, and the manufacture of special materials.

Dichloromethane (MC/ methylene chloride) is a high-purity, low-boiling-point, non-flammable solvent that is suitable for industrial cleaning, pharmaceutical synthesis, and other applications.Dichloromethane (MC/ methylene chloride) is a high-purity, low-boiling-point, non-flammable solvent that is suitable for industrial cleaning, pharmaceutical synthesis, and other applications.Dichloromethane (MC/ methylene chloride) is a high-purity, low-boiling-point, non-flammable solvent that is suitable for industrial cleaning, pharmaceutical synthesis, and other applications.

Dichloromethane (MC/ methylene chloride) is a high-purity, low-boiling-point, non-flammable solvent that is suitable for industrial cleaning, pharmaceutical synthesis, and other applications.

Product Description

Anhui Eapearl Chemical Co., Ltd., as a professional chemical supplier in China, strictly complies with all national laws and regulations regarding the control of hazardous chemicals and new pollutants. We are committed to providing our customers with high-quality, stable and reliable dichloromethane (MC) products. We deeply understand the core value of dichloromethane as a low-boiling-point, non-flammable and highly soluble special solvent. At the same time, safety, compliance, environmental protection and sustainable development are placed at the top of our operational priorities. 

Product Introduction 

The core value of dichloromethane lies in its “non-flammable safety”, “rapid evaporation efficiency” and “broad-spectrum and powerful solubility”, which makes it the preferred solvent in multiple fields with extremely high requirements for safety and cleanliness.

Dust remover and demolding agent (traditional main application): As the core component of an efficient paint remover, it can quickly soften and remove various coatings such as epoxy resin and polyurethane, without damaging the base materials such as metal and wood.

Industrial and precision cleaning: Used for degreasing metal parts, cleaning precision molds and removing oil from electronic circuit boards, it is favored due to its characteristic of no residue after evaporation.

Chemical and pharmaceutical synthesis: As an important reaction solvent, extractant and crystallization medium, it is widely used in the synthesis and purification processes of antibiotics (such as ampicillin), pharmaceutical intermediates and pesticides.

Polyurethane (PU) foaming agent: As a physical foaming agent for producing polyurethane hard foam, it helps to form uniform and fine cell structures. Other fields: It has been used as an aerosol propellant, a solvent in film production, a solvent for petroleum dewaxing, and for extracting active ingredients from natural products (such as decaffeinating coffee beans and extracting lanolin from wool).

Dichloromethane (MC/ methylene chloride) is a high-purity, low-boiling-point, non-flammable solvent that is suitable for industrial cleaning, pharmaceutical synthesis, and other applications.

Dichloromethane (MC/ methylene chloride) is a high-purity, low-boiling-point, non-flammable solvent that is suitable for industrial cleaning, pharmaceutical synthesis, and other applications.

Delivery&Payment method

Dichloromethane (MC/ methylene chloride) is a high-purity, low-boiling-point, non-flammable solvent that is suitable for industrial cleaning, pharmaceutical synthesis, and other applications.

Frequently asked

In what packaging is Methylene Chloride shipped?

Standard formats are Drum (270 kg), IBC Drum (1127 kg), ISO tank (20ft) (24–26 m³), ISO tank (40ft) (48–50 m³). Other packaging can be arranged for full-container orders.

Is a safety data sheet available for Methylene Chloride?

Yes. A full safety data sheet for CAS 75-09-2 is published and linked from this page; a signed copy is issued with the shipping documents.

What purity do you supply?

The standard grade is 99.9%. Tighter specifications are confirmed against the production batch before shipment.

Related products

🧬 3D分子可视化器
正在加载分子...
3D模型Dichlorometan,CAS 75-09-2,分子式CH₂Cl₂, 摩尔质量 84.93 g/mol

数据转录自法规登记册和专业文献,并注明来源与版本。不能替代供应商的安全数据表。未记录来源的字段已作相应标注。

📊 物理化学数据 — CAS 75-09-2MolGod_PROPHUB_MAIN
📊 物理化学性质

快速参考

化学式: CH2Cl2
分子量: 84.93 g/mol
CAS号: 75-09-2
外观: 无色液体[注:高于104°F时为气体]
气味: 甜味、令人愉快的气味,类似氯仿

详细性质

A supplement to the „Physicochemical properties (database)” table below — repeated values are shown only once.

属性 单位 条件 来源
黏度(η) 0.437 mPa.s at 20 °C[1][2] Hazardous Substances Data Bank (HSDB) ↗
折射率(nD 1.4244[1][3] 20 °C, D-line Yaws Handbook 2nd ed. (2014)
🔬 高级属性

化学标识符

SMILES: ClCCl
InChI: InChI=1S/CH2Cl2/c2-1-3/h1H2
InChIKey: YMWUJEATGCHHMB-UHFFFAOYSA-N

数据来源: Hazardous Substances Data Bank (HSDB), Yaws Handbook 2nd ed. (2014)

最后更新: 未确认

📚 科学参考文献(芝加哥作者-日期格式) (3 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. applies to: 黏度(η) · 折射率(nD)
  2. NLM. Hazardous Substances Data Bank (HSDB). National Library of Medicine. applies to: 黏度(η)
  3. Yaws, C.L. Thermophysical Properties of Chemicals and Hydrocarbons. 2nd ed. Amsterdam: Elsevier (Gulf Professional Publishing), 2014. applies to: 折射率(nD)
化学概述: DichlorometanMolGod_OVERVIEW_1
分子式CH₂Cl₂[1]
分子量84.93 g/mol[1]
熔点-97.2 °C[1][2][3][4]
沸点39.75 °C (760 mmHg)[1][2][3][4]
密度1.3266 g/cm³[1][4]
LogP(亲脂性)1.25[1]
SMILESClCCl[1]

同义词: Methylene chloride · DCM

数据来源: PubChem (NLM/NIH), Yaws Handbook 2nd ed. (2014)
最后更新: 2026-09-21

📚 科学参考文献(芝加哥作者-日期格式) (4 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. applies to: 分子式 · 分子量 · 熔点 · 沸点 · 密度 · LogP(亲脂性) · SMILES
  2. DECHEMA, PTB, and BAM. CHEMSAFE - Database of Evaluated Safety Characteristics for the Avoidance of Explosions. Frankfurt am Main: DECHEMA e.V.; Braunschweig/Berlin: Physikalisch-Technische Bundesanstalt and Bundesanstalt fur Materialforschung und -prufung. applies to: 熔点 · 沸点
  3. NIST. Chemistry WebBook, SRD 69. National Institute of Standards and Technology. applies to: 熔点 · 沸点
  4. Yaws, C.L. Thermophysical Properties of Chemicals and Hydrocarbons. 2nd ed. Amsterdam: Elsevier (Gulf Professional Publishing), 2014. applies to: 熔点 · 沸点 · 密度

科学研究

[1]CrossRef2023
(2023). "Titelei/Inhaltsverzeichnis". Konstruktion. https://doi.org/10.37544/0720-5953-2023-09-1
[2]CrossRef2020
Ingo Niermann. (2020). "Comic Purgatory". ISSUE. https://doi.org/10.33671/iss09nie
[3]CrossRef2019
(2019). "Belastbare Inserts im CFK-Leichtbau". Konstruktion. https://doi.org/10.37544/0720-5953-2019-09-75
[4]CrossRef2015
Toshinari Yamashita, Tomoyuki Aruga, Hiromi Miyamoto et al.. (2015). "Abstract P6-09-09: Body mass index and prognosis after breast cancer diagnosis in Japanese women". Cancer Research. https://doi.or
[5]CrossRef2013
Smita Narasimhan. (2013). "Chapter-09 IOL Scaffold Technique". Glued IOL. https://doi.org/10.5005/jp/books/12258_9
[6]CrossRef
(0). "75, 1690-12-09, RIJCK (de)". Art Sales Catalogues Online. https://doi.org/10.1163/2210-7886_asc-75
[7]Molgod Data Citations:crossref
(0). "Insights into siRNA Duplex Stability by UV Spectrophotometry Absorbance and Melting Temperature Analyses.". https://doi.org/10.1021/acsomega.5c12674.s001
📚 科学参考文献(芝加哥作者-日期格式) 7 refs · 2 baz

MOLECULE 按CAS号参考文献(实时来自13+数据库)

来源: db:crossref (6) · db:molgod_data_citations:crossref (1)

  1. db:crossref (2023). "Titelei/Inhaltsverzeichnis". Konstruktion. https://doi.org/10.37544/0720-5953-2023-09-1
  2. db:crossref Ingo Niermann. (2020). "Comic Purgatory". ISSUE. https://doi.org/10.33671/iss09nie
  3. db:crossref (2019). "Belastbare Inserts im CFK-Leichtbau". Konstruktion. https://doi.org/10.37544/0720-5953-2019-09-75
  4. db:crossref Toshinari Yamashita, Tomoyuki Aruga, Hiromi Miyamoto et al.. (2015). "Abstract P6-09-09: Body mass index and prognosis after breast cancer diagnosis in Japanese women". Cancer Research. https://doi.org/10.1158/1538-7445.sabcs14-p6-09-09
  5. db:crossref Smita Narasimhan. (2013). "Chapter-09 IOL Scaffold Technique". Glued IOL. https://doi.org/10.5005/jp/books/12258_9
  6. db:crossref (0). "75, 1690-12-09, RIJCK (de)". Art Sales Catalogues Online. https://doi.org/10.1163/2210-7886_asc-75
  7. db:molgod_data_citations:crossref (0). "Insights into siRNA Duplex Stability by UV Spectrophotometry Absorbance and Melting Temperature Analyses.". https://doi.org/10.1021/acsomega.5c12674.s001
物质监管状态
清单: US/TSCA, CA/DSL_TOXIC. 监管信息——不限制在本店购买。
🧮 化学计量计算器MolGod_STOICH_1
🧪 化学数据MolGod_CHEMDATA_1
CAS号
75-09-2
分子式
CH₂Cl₂
摩尔质量
84.93 g/mol
SMILES
ClCCl
📚 Literatura naukowa (1 产品)MolGod_LITSCI_1
(1986) · National Toxicology Program technical report series
TLDR Dichloromethane is widely used in industrial processes, food preparation, and agriculture and has been used as an inhalation anesthetic and as a fumigant for grain and strawberries.
筛选:
排序:
📡 Data sourcesMolGod_SOURCES_1

The data in this widget comes from the following verified scientific sources:

  • PubChem — National Center for Biotechnology Information (NCBI/NIH), USA
  • ChEMBL — European Bioinformatics Institute (EMBL-EBI), UK
  • NIST WebBook — National Institute of Standards and Technology, USA

Data is cached locally for speed — the widget also works offline.

⚗️ Physicochemical propertiesMolGod_PHYSTAB_2
Density
1.3266 g/cm³ @ 20°C

Source: PubChem, NIST WebBook. Last updated: date not confirmed

🔍 外部标识符MolGod_EXTID_1
11 / 16个ID系统69%
数据库标识符操作
CAS Registry Number75-09-2打开 →
PubChem CID6344[1]打开 →
SMILESClCCl[1]
EC Number200-838-9[2]打开 →
KEGG CompoundD02330打开 →
HMDBHMDB0031548打开 →
ChemSpider6104[3]打开 →
MeSH UID (NLM)D008752打开 →
UNII (FDA)588X2YUY0A打开 →
NSC Number (NCI)406122打开 →
WikiData QIDQ421748打开 →

来源:PubChem (NIH)、Wikidata SPARQL、KEGG、ChEMBL (EBI)、CompTox CTX (EPA)。

📚 科学参考文献(芝加哥作者-日期格式) (3 来源)
  1. PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. applies to: PubChem CID · SMILES
  2. ECHA. EC Inventory — EINECS, ELINCS, NLP and List Numbers assigned under REACH. Helsinki: European Chemicals Agency. applies to: EC Number
  3. ChemSpider. Royal Society of Chemistry, chemical structure database. applies to: ChemSpider
📡 光谱学 — CAS 75-09-2MolGod_SPECHUB_MAIN
📊 光谱(NMR、IR、MS、UV-Vis) (1)

可用光谱类型: IR

红外光谱 (KBr, 4000-400 cm⁻¹)

440个数据点 · 来源: NIST WebBook · NIST ↗ · 📥 JCAMP-DX
🎓 谱图解析指南(供学生使用)
如何解读IR光谱
  • 3200-3600 cm⁻¹ — O-H 伸缩 (宽峰 = 氢键)
  • 2850-3000 cm⁻¹ — C-H 伸缩 (sp³)
  • 1650-1750 cm⁻¹ — C=O 伸缩 (酮、醛、酯)
  • 1400-1600 cm⁻¹ — 芳香环振动
  • 1000-1300 cm⁻¹ — C-O 伸缩 (醚、醇)
  • 无吸收=无官能团→与参考谱图比较

来源: LibreTexts ↗, Silverstein (Spectrometric ID) ↗

📚 科学参考文献(芝加哥作者-日期格式) (7 来源)
  1. National Institute of Standards and Technology. 2024. "NIST Chemistry WebBook, SRD 69." Gaithersburg, MD: NIST. Accessed 2025-01-01.
  2. Spectral Database for Organic Structure Determination (SDBS). 2024. National Institute of Advanced Industrial Science and Technology (AIST), Japan. Accessed 2025-01-01.
  3. Ulrich, Eldon L., Hideo Akutsu, John F. Doreleijers, Yoko Harano, Yannis E. Ioannidis, Jundong Lin, Miron Livny, et al. 2008. "BioMagResBank." Nucleic Acids Research 36 (D1): D402–D408. [DOI ↗]
  4. Horai, Hisayuki, Masanori Arita, Shigehiko Kanaya, Yoshito Nihei, Tasuku Ikeda, Kazuhiro Suwa, Yuya Ojima, et al. 2010. "MassBank: A Public Repository for Sharing Mass Spectral Data for Life Sciences." Journal of Mass Spectrometry 45 (7): 703–714. [DOI ↗]
  5. Linstrom, P.J., and W.G. Mallard, eds. 2024. NIST Chemistry WebBook, NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology.
  6. McDonald, M. Shane, Mike McAvoy, and Ajit Bhalerao. 1988. "JCAMP-DX: A Standard Form for Exchange of Infrared Spectra in Computer Readable Form." Applied Spectroscopy 42 (1): 151–162. [DOI ↗]
  7. PubChem. 2024. "PubChem Compound Database." National Library of Medicine, National Institutes of Health. Accessed 2025-01-01.
结构性质MolGod_STRUCT3D_1

正在加载结构数据...

❓ 常见问题 (3)MolGod_FAQ_1
What is 75-09-2?
75-09-2 (CAS 75-09-2) is a chemical compound. The chemical data comes from PubChem (National Institutes of Health, USA).
有帮助吗?
What is the CAS number of 75-09-2?
The CAS number for 75-09-2 is 75-09-2. A CAS Registry Number is the standard identifier for a chemical substance in scientific literature and in trade.
有帮助吗?
How should 75-09-2 be stored?
75-09-2 should be stored as its safety data sheet directs \— typically in a dry, cool, well-ventilated place, away from heat and from materials it is incompatible with.
有帮助吗?
➕ 建议问题
下载结构文件MolGod_STRDL_1

来自PubChem数据库(NIH)的分子结构文件。兼容Avogadro、PyMOL、Jmol和ChemDraw等程序。

来源:PubChem,美国国家医学图书馆(NIH)。 CID: 6344

🔄 浓度单位转换器 实时 MolGod_UNITCONV_1

输入Dichlorometan浓度(任意单位),其余将自动计算。

分子量: 84.93 g/mol · IUPAC Gold Book ↗

⚗️ 转换公式及引用(每个公式)
转换分子式准确度来源
% (w/v) ↔ molarityc (mol/L) = (% × 10) / MW±0.5% rel. when density ≈ 1.0 g/mLIUPAC (2019)
millimolar ↔ molarc (mol/L) = mM × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
molarity (mol/L)c = n/V = (m/MW)/V±0.1% (depends on MW precision)IUPAC (2019)
parts per million (mg/L) ↔ molarityc (mol/L) = ppm / (1000 × MW); equivalently ppm = mg/L for dilute aqueous±1% (density-independent for dilute solutions)IUPAC (2019)
mg/mL ↔ molarityc (mol/L) = (mg/mL × 1000) / MW / 1000 = mg/mL / MW × 1±0.2%Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
g/L ↔ molarityc (mol/L) = (g/L) / MW±0.1% (depends on MW precision)Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
mmol/L ↔ molarityc (mol/L) = mmol/L × 10⁻³ExactCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
Celsius ↔ KelvinT(K) = t(°C) + 273.15±0.01 K (ITS-90 scale)BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ FahrenheitT(°F) = T(°C) × 9/5 + 32±0.1 °FThompson A, Taylor BN (2008)
density-corrected % ↔ molarityc (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL±0.1% when ρ known to 3 decimalsCohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
📚 参考文献(8个权威来源)
  1. Thompson A, Taylor BN (2008). Guide for the Use of the International System of Units (SI). NIST Special Publication 811 · DOI: 10.6028/NIST.SP.811-2008
    → Primary SI standard for US scientific usage
  2. Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007). Quantities, Units and Symbols in Physical Chemistry — The IUPAC Green Book. RSC Publishing, 3rd ed. · DOI: 10.1039/9781847557889 · ISBN: 978-0-85404-433-7
    → Canonical IUPAC guide for chemistry quantities/units
  3. BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM ·
    → International SI definitions (incl. redefined kilogram 2019)
  4. ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 ·
    → General rules for physical quantities and units
  5. ISO/IEC (2019). Quantities and units — Part 9: Physical chemistry and molecular physics. International Organization for Standardization — ISO 80000-9:2019 ·
    → Concentration / molality / amount-of-substance conventions
  6. Tiesinga E, Mohr PJ, Newell DB, Taylor BN (2021). CODATA recommended values of the fundamental physical constants: 2018. Rev. Mod. Phys. 93(2):025010 · DOI: 10.1103/RevModPhys.93.025010
    → Avogadro, gas constant, molar volume (2019 SI revision)
  7. IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook
    → Definitions of mass fraction, molality, normality, ppm, activity
  8. Mills IM, Cvitaš T, Homann K, Kallay N, Kuchitsu K (1988). Quantities, Units and Symbols in Physical Chemistry. Blackwell Scientific Publications, 1st ed. · ISBN: 0-632-01773-5
    → Historical predecessor of IUPAC Green Book
相似分子结构MolGod_SIMSTR_1

正在加载相似结构...

🧪 溶液制备向导 WIZARD MolGod_PREP_1
① 选择浓度
② 目标体积
③ 溶剂

计算依据: IUPAC Gold Book ↗, Merck ↗

计算化学MolGod_COMPCHEM_1

正在加载计算数据...

🔬 纯度检查指南 质量控制

使用标准化分析方法验证试剂纯度。选择下方的测试方法并输入您的测量结果,系统将自动计算。

🛡️ 安全 — CAS 75-09-2MolGod_SAFEHUB_MAIN
数据限制说明。 本页安全信息仅供参考,不能替代完整的安全数据表(SDS)。使用产品前,请查阅制造商当前的安全数据表以及GHS/CLP指南。CLP分类适用于纯散装物质,不适用于商业制剂。

GHS/CLP分类——(EC) No 1272/2008法规 + UN GHS Rev. 9 (2021)。

⚠ 警告 (Warning)
GHS08 — 健康危害
GHS08 健康危害

🚨 危险说明(H)

  • H351 — 怀疑会致癌(说明接触途径――如已确证无其他接触途径造成这一危害)

🛡 防范说明(P)

  • P261 — 避免吸入粉尘/烟/气体/气雾/蒸气/喷雾。
  • P271 — 只能在室外或充分通风的情况下使用。
  • P281 — 使用所需的个人防护设备。

✓ 根据CLP法规(EC) 1272/2008附件VI的统一分类(官方、具有约束力的分类)。 索引号:602-004-00-3。

参考文献(芝加哥格式): European Chemicals Agency. "dichloromethane; methylene chloride, Index No. 602-004-00-3." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.

⚠ IARC — 组 2A: 可能对人类致癌. (IARC/WHO对致癌性证据的独立评估 — 补充上述CLP分类。)
参考文献(芝加哥格式): IARC. n.d. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 75-09-2. Lyon, France: International Agency for Research on Cancer, World Health Organization. https://monographs.iarc.who.int/list-of-classifications/.
来自本地MOL-GOD列表(快照)的分类 — 未与当前IARC列表核实。 验证

翻译:CLP 法规 (EC) 1272/2008,附件 III 和 IV。数据:PubChem/NLM。

📚 综合科学参考文献 — Chicago Author-Date 10 来源

从所有Safety Hub选项卡收集的参考文献。CAS号: 75-09-2 · PubChem ↗

  1. Parlament Europejski i Rada UE. 2008. "Rozporządzenie (WE) nr 1272/2008 w sprawie klasyfikacji, oznakowania i pakowania substancji (CLP)." Dz.Urz. UE L 353. [↗] GHS,法规
  2. United Nations Economic Commission for Europe (UNECE). 2021. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Ninth Revised Edition." United Nations, Geneva. [↗] GHS
  3. Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, et al.. 2019. "Goldfrank's Toxicologic Emergencies, 11th ed.." McGraw-Hill Education, New York. ISBN 978-1-25-985961-8. Pierwsza pomoc, Toksykologia
  4. National Institute for Occupational Safety and Health (NIOSH). 2023. "NIOSH Pocket Guide to Chemical Hazards (DHHS Publ. 2005-149)." U.S. Department of Health and Human Services / CDC, Cincinnati, OH. [↗] Pierwsza pomoc, PPE, Toksykologia
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗] PPE
  6. UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗] Utylizacja, Regulacje
  7. National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗] Magazynowanie
  8. Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗] Magazynowanie
  9. Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. [↗] Utylizacja
  10. International Agency for Research on Cancer (IARC / WHO). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans — List of Classifications." WHO, Lyon. [↗] Toksykologia

具有自身参考文献的选项卡(紧急情况、个人防护装备、储存、废物)在其各自章节中包含额外的书目条目。

📈 分析统计(t检验·RSD·Grubbs·Q-Dixon) ICH Q2

粘贴一系列重复测量结果(CSV或每行一个数字)。计算器将计算平均值、标准差和95%置信区间,并检测异常值(Grubbs + Dixon Q)。

分隔符:逗号、空格、制表符、换行。至少3个测量值。
📐 统计公式
  • x̄ = Σxᵢ / n — 算术平均值
  • s² = Σ(xᵢ - x̄)² / (n-1) — 样本方差
  • s = √s² — 标准差
  • RSD% = (s / x̄) × 100% — 相对标准差
  • CI₉₅ = x̄ ± t(0.05, n-1) × s / √n — Student's t
  • G = |xᵢ - x̄| / s — Grubbs检验
  • Q = |xsuspect - xnearest| / |xmax - xmin| — Dixon Q-test

来源:ICH Q2(R2) 分析方法验证 · ICH PDF ↗

🧪 缓冲液配方计算器 唯一

从 20 种常用缓冲体系列表中选择 → 输入目标 pH → 获得精确配方,包括称量质量。

步骤 1:选择缓冲体系

📜 配方历史记录(最近 10 条)
📅 项目规划器——实验室实验管理器 新品

规划您的整个实验室项目:添加实验(含试剂、重复次数和持续时间)。您将获得甘特图、购物清单(含商店链接!)、预算(含10%余量)和GHS风险矩阵。

🧪 溶解性和溶剂兼容性 MolGod_SOLUB_1
分子
Dichlorometan
分子式
CH₂Cl₂
logP (XLogP3)
1.50
摩尔质量(g/mol)
84.93
极性
中等

⚠️ HSP估算(文献/基团贡献法)。指示性数据——不能替代实验研究。

Ra < R₀ = good miscibility · Ra < 1,5×R₀ = borderline · above = poor (R₀ — radius of the Hansen sphere of this molecule) For this molecule R₀ = 7.5.

溶剂 兼容性 Ra 可视化 GC-MS HPLC 应用 参考文献
Water (H₂O)13 g/L (pomiar)37.9
✗ NieA (aqueous) (RP)
buffercell cultureanalyticalextraction (hydrophilic)
Ethanol (EtOH)− 差14.4
✗ NieA/B modifier (RP/NP)
extractionspectroscopy (UV-Vis)synthesisHPLC modifier
Methanol (MeOH)− 差18.4
✗ NieA/B (RP) (RP)
HPLC (eluent)LC-MSKarl FischerUV-transparent to 205 nm
Acetone+ 良好6.8
✗ NieB modifier (NP)
GC headspacecrystallisationdegreasingsynthesis
Acetonitrile (ACN)− 差13.1
✗ NieB (RP) (RP)
HPLC eluent (gold standard)LC-MS (low UV cut-off, 190 nm)peptide analysis
DMSO~ 平均10.9
✗ NieN/A (N/A)
NMR (d6-DMSO)cell biology (cryopreservation)drug deliverysynthesis
THF+ 良好3.4
✗ NieB (NP) (NP)
GPC/SEC (polymer analysis)Grignard synthesisorganometallics
DCM (CH₂Cl₂)+ 良好0.0
✓ TakB (NP) (NP)
extractionNP-HPLCGC-MScrystallisation (anti-solvent)
Chloroform (CHCl₃)+ 良好3.3
✓ TakN/A (toxic) (N/A)
NMR (CDCl3)lipid extraction (Folch method)NP-TLC
Hexane~ 平均11.0
✓ TakA (NP) (NP)
NP-HPLCoil extraction (lipids)GC-MSTLC (NP)
Toluene+ 良好6.4
✓ TakB (NP) (NP)
NMR (d8-toluene)synthesisazeotropic drying (Dean-Stark)
📚 溶剂科学参考文献(芝加哥作者-日期格式)——点击展开

11 solvents · 54 full citations (NIST/CRC/IARC/Hansen/Reichardt/Smallwood/Wypych/Armarego/Snyder/GESTIS) — below.

Water (H₂O)
  1. NIST — NIST Chemistry WebBook — Water (CAS 7732-18-5)
  2. CRC — CRC Handbook of Chemistry and Physics, 104th ed., Sec. 8 (Properties of Water)
  3. IAPWS — IAPWS Release on Static Dielectric Constant of Water
  4. Reichardt 2011 — Solvents and Solvent Effects in Organic Chemistry
  5. GESTIS — GESTIS Substance Database — Water
Ethanol (EtOH)
  1. NIST — NIST Chemistry WebBook — Ethanol (CAS 64-17-5)
  2. CRC — CRC Handbook — Ethanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — Ethanol eluotropic
  4. Smallwood — Handbook of Organic Solvent Properties — Ethanol
  5. GESTIS — GESTIS Substance Database — Ethanol
Methanol (MeOH)
  1. NIST — NIST Chemistry WebBook — Methanol (CAS 67-56-1)
  2. CRC — CRC Handbook — Methanol physical constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — MeOH eluotropic, eo=0.95
  4. GESTIS — GESTIS Substance Database — Methanol
Acetone
  1. NIST — NIST Chemistry WebBook — Acetone (CAS 67-64-1)
  2. CRC — CRC Handbook — Acetone physical & thermodynamic constants
  3. Hansen 2007 — Hansen Solubility Parameters — Acetone (dD=15.5, dP=10.4, dH=7.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Acetone
  5. GESTIS — GESTIS Substance Database — Acetone
Acetonitrile (ACN)
  1. NIST — NIST Chemistry WebBook — Acetonitrile (CAS 75-05-8)
  2. CRC — CRC Handbook — Acetonitrile constants
  3. Snyder & Kirkland — Modern Liquid Chromatography — ACN gold-standard HPLC eluent
  4. Reichardt 2011 — Solvents and Solvent Effects — ACN dipolar aprotic
  5. GESTIS — GESTIS Substance Database — Acetonitrile
DMSO
  1. NIST — NIST Chemistry WebBook — DMSO (CAS 67-68-5)
  2. Wypych 2019 — Handbook of Solvents Vol. 1 — DMSO comprehensive properties
  3. Hansen 2007 — HSP — DMSO (dD=18.4, dP=16.4, dH=10.2)
  4. Reichardt 2011 — Solvents and Solvent Effects — DMSO E_T(30)=45.1, dipolar aprotic
  5. GESTIS — GESTIS Substance Database — DMSO
THF
  1. NIST — NIST Chemistry WebBook — THF (CAS 109-99-9)
  2. Armarego 2009 — Purification of Laboratory Chemicals — THF drying & peroxide test
  3. Hansen 2007 — Hansen Solubility Parameters — THF (dD=16.8, dP=5.7, dH=8.0)
  4. Smallwood — Handbook of Organic Solvent Properties — THF
  5. GESTIS — GESTIS Substance Database — Tetrahydrofuran
DCM (CH₂Cl₂)
  1. NIST — NIST Chemistry WebBook — Dichloromethane (CAS 75-09-2)
  2. IARC 71 — IARC Monograph 71 — DCM (Group 2A carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — DCM (dD=18.2, dP=6.3, dH=6.1)
  4. Reichardt 2011 — Solvents and Solvent Effects — DCM polarity index
  5. GESTIS — GESTIS Substance Database — Dichloromethane
Chloroform (CHCl₃)
  1. NIST — NIST Chemistry WebBook — Chloroform (CAS 67-66-3)
  2. IARC 73 — IARC Monograph 73 — Chloroform (Group 2B carcinogen)
  3. Hansen 2007 — Hansen Solubility Parameters — CHCl3 (dD=17.8, dP=3.1, dH=5.7)
  4. Reichardt 2011 — Solvents and Solvent Effects — CHCl3 H-bond donor strength
  5. GESTIS — GESTIS Substance Database — Chloroform
n-Hexane
  1. NIST — NIST Chemistry WebBook — n-Hexane (CAS 110-54-3)
  2. ATSDR n-Hexane — ATSDR Toxicological Profile for n-Hexane — neuropatia obwodowa (n-Heksan NIE jest kancerogenem IARC)
  3. Hansen 2007 — Hansen Solubility Parameters — n-Hexane (dD=14.9, dP=0, dH=0)
  4. Snyder & Kirkland — Modern Liquid Chromatography — n-Hexane NP standard, eo=0.00
  5. GESTIS — GESTIS Substance Database — n-Hexane
Toluene
  1. NIST — NIST Chemistry WebBook — Toluene (CAS 108-88-3)
  2. IARC 71 — IARC Monograph 71 — Toluene
  3. Hansen 2007 — Hansen Solubility Parameters — Toluene (dD=18.0, dP=1.4, dH=2.0)
  4. Smallwood — Handbook of Organic Solvent Properties — Toluene
  5. GESTIS — GESTIS Substance Database — Toluene
溶解性理论(应用于相容性预测):
  1. Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
  2. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — HSP三元组(dD, dP, dH)+ Ra公式。
  3. Stefanis, E., and C. Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." Int J Thermophys 29: 568–585. https://doi.org/10.1007/s10765-008-0415-z
  4. Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solwatochromia.
  5. Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
  6. Van Krevelen, D. W., and K. Te Nijenhuis. 2009. Properties of Polymers. 4th ed. Elsevier. https://doi.org/10.1016/B978-0-08-054819-7.X0001-5 — Hoftyzer–Van Krevelen group contribution dla dD/dP/dH z SMILES.
  7. Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — 250+溶剂的完整表格数据集(ε、μ、供体数、受体数)。
  8. PubChem Compound Database — CAS 75-09-2 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.

完整参考文献位于页面底部的参考文献折叠面板——芝加哥格式手册第17版作者-日期格式。

⚗️ 检查反应兼容性 MolGod_RXNCOMP_1
0 0 0
健康: 0/4
易燃性: 0/4
反应性: 0/4
根据NFPA 704 / 由H代码计算

检查Dichlorometan是否与另一种试剂兼容

📦 储存兼容性矩阵
酸类 氧化剂 易燃 毒性 Gazy
酸类
氧化剂
易燃
毒性
Gazy
✓ 可一起储存 · ⚠ 谨慎 · ✗ 禁止一起储存 · OSHA Chemical Segregation ↗

兼容性数据来源: Bretherick's Handbook (7th ed.) ↗, GESTIS ↗, ECHA REACH ↗, NFPA 704 ↗

🧮 实验室计算器(8个) MolGod_LABCALC_1
稀释(C₁V₁=C₂V₂)
摩尔浓度(M=n/V)
pH缓冲液(Henderson-Hasselbalch)
Beer-Lambert(A=εcl)
质量→摩尔
浓度%→M
ppm→mg/L
温度 C↔F↔K

已验证的配方: IUPAC Gold Book ↗, DOI ↗

📊 光谱数据库 MolGod_SPECDB_3
📋 实验室方案生成器 MolGod_PROTOCOL_1

方案基于以下内容生成: GHS SDS, Aldrich Lab Guide ↗

🏷️ 标签生成器(QR码) MolGod_LABEL_1
Methylene Chloride• DCM• CAS: 75-09-2• EC: 200-838-9• 分子式: CH2Cl2• 摩尔质量: 84.93 g/mol警告GHS危险说明:H351: 怀疑会致癌(说明接触途径――如已确证无其他接触途径造成这一危害)P261: 避免吸入粉尘/烟/气体/气雾/蒸气/喷雾。P271: 只能在室外或充分通风的情况下使用。P281: 使用所需的个人防护设备。Anhui Eapearl Chemical Co., Ltd.12th Floor, Tongguan Number Valley, Tongling, Anhui, China+86 186 5620 1888[email protected]epchems.com
Deskryptory Lipinskiego (struktura)

类药性雷达图(Lipinski Ro5 / Veber)。绿色区域 = 符合标准。

预测数据 — 通过计算机模拟(SMILES/RDKit)计算的属性。不能替代临床研究。未经实验验证,不得用于药物评估。

MW84.9LogP1.5HBD0HBA0RotB0TPSA0 Ų
✓ Lipinski Ro5✓ Veber✓ Egan✗ Ghose (MW=85)✗ REOS (MW=85)✓ Lead-like Ro3
属性评级
吸收(GI)
血脑屏障通透性是(可透过)
生物利用度(Daina 2017)
55%
CYP450概况CYP1A2 non-inhibitorCYP2C9 non-inhibitorCYP2C19 non-inhibitorCYP2D6 non-inhibitorCYP3A4 non-inhibitor
PAINS警告0
Brenk警告0
pKa (pH 7.4)
hERG(心脏毒性)✓ 否
P-gp底物
Ames致突变性⚠ 是
DILI(肝毒性)
LogS(水溶性)
来源(ADMET方法学)
  1. Lipinski, Christopher A., Franco Lombardo, Beryl W. Dominy, and Paul J. Feeney. 1997. "Experimental and computational approaches to estimate solubility and permeability in drug discovery and development settings." Advanced Drug Delivery Reviews 23 (1-3): 3-25.
  2. Veber, Daniel F., Stephen R. Johnson, Hung-Yuan Cheng, et al. 2002. "Molecular properties that influence the oral bioavailability of drug candidates." Journal of Medicinal Chemistry 45 (12): 2615-2623.
  3. Daina, Antoine, Olivier Michielin, and Vincent Zoete. 2017. "SwissADME: a free web tool to evaluate pharmacokinetics, drug-likeness and medicinal chemistry friendliness." Scientific Reports 7: 42717.
  4. Egan, William J., and Gregory Lauri. 2002. "Prediction of intestinal permeability." Advanced Drug Delivery Reviews 54 (3): 273-289.
  5. Baell, Jonathan B., and Georgina A. Holloway. 2010. "New substructure filters for removal of pan assay interference compounds (PAINS) from screening libraries." Journal of Medicinal Chemistry 53 (7): 2719-2740.
  6. Brenk, Ruth, Alessandro Schipani, Daniel James, et al. 2008. "Lessons learnt from assembling screening libraries for drug discovery for neglected diseases." ChemMedChem 3 (3): 435-444.
  7. Ertl, Peter, and Ansgar Schuffenhauer. 2009. "Estimation of synthetic accessibility score of drug-like molecules based on molecular complexity and fragment contributions." Journal of Cheminformatics 1: 8.
  8. Bickerton, G. Richard, Gaia V. Paolini, Jérémy Besnard, Sorel Muresan, and Andrew L. Hopkins. 2012. "Quantifying the Chemical Beauty of Drugs." Nature Chemistry 4 (2): 90-98.
  9. Hopkins, Andrew L., and Colin R. Groom. 2002. "The Druggable Genome." Nature Reviews Drug Discovery 1 (9): 727-730.
  10. Ghose, Arup K., Vellarkad N. Viswanadhan, and John J. Wendoloski. 1999. "A Knowledge-Based Approach in Designing Combinatorial or Medicinal Chemistry Libraries for Drug Discovery." Journal of Combinatorial Chemistry 1 (1): 55-68.
  11. Tice, Raymond R., Christopher P. Austin, Robert J. Kavlock, and John R. Bucher. 2013. "Improving the Human Hazard Characterization of Chemicals: A Tox21 Update." Environmental Health Perspectives 121 (7): 756-765.
  12. Leeson, Paul D., and Brian Springthorpe. 2007. "The Influence of Drug-Like Concepts on Decision-Making in Medicinal Chemistry." Nature Reviews Drug Discovery 6 (11): 881-890.
  13. Hann, Michael M. 2011. "Molecular Obesity, Potency and Other Addictions in Drug Discovery." MedChemComm 2 (5): 349-355.
  14. Davies, Mark, Michał Nowotka, George Papadatos, et al. 2015. "ChEMBL Web Services: Streamlining Access to Drug Discovery Data and Utilities." Nucleic Acids Research 43 (W1): W612-W620.
  15. Walters, W. Patrick, and Mark A. Murcko. 2002. "Prediction of 'Drug-Likeness.'". Advanced Drug Delivery Reviews 54 (3): 255–271. https://doi.org/10.1016/S0169-409X(02)00003-0.
  16. Congreve, Miles, Robin Carr, Christopher Murray, and Harren Jhoti. 2003. "A 'Rule of Three' for Fragment-Based Lead Discovery?" Drug Discovery Today 8 (19): 876–877. https://doi.org/10.1016/S1359-6446(03)02831-9.
  17. Brenk, Ruth, Alessandro Schipani, Daniel James, Agata Krasowski, Iain Hugh Gilbert, Julie Frearson, and Paul Graham Wyatt. 2008. "Lessons Learnt from Assembling Screening Libraries for Drug Discovery for Neglected Diseases." ChemMedChem 3 (3): 435-444.
  18. Schomburg, Karen T., Sascha Bietz, Hans Briem, Andrea M. Henzler, Stefan Urbaczek, and Matthias Rarey. 2014. "Facing the Challenges of Structure-Based Target Prediction by Inverse Virtual Screening." Journal of Chemical Information and Modeling 54 (6): 1676-1686.
  19. Bemis, Guy W., and Mark A. Murcko. 1996. "The Properties of Known Drugs. 1. Molecular Frameworks." Journal of Medicinal Chemistry 39 (15): 2887-2893.
  20. Schomburg, Karen T., and Matthias Rarey. 2014. "What Is the Potential of Structure-Based Target Prediction Methods?" Future Medicinal Chemistry 6 (17): 1987-1989.
  21. (2023). "Titelei/Inhaltsverzeichnis". Konstruktion. https://doi.org/10.37544/0720-5953-2023-09-1
  22. Ingo Niermann. (2020). "Comic Purgatory". ISSUE. https://doi.org/10.33671/iss09nie
  23. (2019). "Belastbare Inserts im CFK-Leichtbau". Konstruktion. https://doi.org/10.37544/0720-5953-2019-09-75
  24. Toshinari Yamashita, Tomoyuki Aruga, Hiromi Miyamoto et al.. (2015). "Abstract P6-09-09: Body mass index and prognosis after breast cancer diagnosis in Japanese women". Cancer Research. https://doi.org/10.1158/1538-7445.sabcs14-p6-09-09
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  44. Hersey, Anne, et al. 2015. "Chemical databases: curation or integration by user-defined equivalence?" Drug Discovery Today: Technologies 14: 17-24.
  45. 2021. "Methods of identifying SENP1 inhibitors." [ChEMBL bioactivity primary lit]
  46. 2017. "Methods of identifying SENP1 inhibitors." [ChEMBL bioactivity primary lit]
  47. Veber, Daniel F., Stephen R. Johnson, Hung-Yuan Cheng, Brian R. Smith, Keith W. Ward, and Kenneth D. Kopple. 2002. "Molecular Properties That Influence the Oral Bioavailability of Drug Candidates." Journal of Medicinal Chemistry 45 (12): 2615-2623.
  48. Levitt, David. 2024. "Pharmacokinetics/pharmacodynamics of glucocorticoids: modeling the glucocorticoid receptor dynamics and dose/response of commonly prescribed glucocorticoids." ADMET and DMPK. https://doi.org/10.5599/admet.2414. [DOI ↗]
  49. Notario, Dion, Munzir, Angela Marietha, Novella, Yulina, Hananta, Linawati. 2024. "Impact of lactoferrin supplementation on cotrimoxazole pharmacokinetics: A preliminary clinical investigation." ADMET and DMPK. https://doi.org/10.5599/admet.2358. [DOI ↗]
  50. ECHA. 2024. "REACH Guidance." European Chemicals Agency.
  51. Sridharan, Kannan, Al Banna, Rashed, Husain, Aysha. 2021. "Evaluation of pharmacokinetics of warfarin from validated pharmacokinetic-pharmacodynamic model." ADMET and DMPK. https://doi.org/10.5599/admet.909. [DOI ↗]
  52. Cabana, Bernard E.. 1984. "Bioavailability and Pharmacokinetics in Drug Development." Pharmacokinetics: 113-132. https://doi.org/10.1007/978-1-4613-2799-8_12. [DOI ↗]
  53. Groom, Colin R., Ian J. Bruno, Matthew P. Lightfoot, and Suzanna C. Ward. 2016. "The Cambridge Structural Database." Acta Crystallographica Section B 72 (2): 171-179.
  54. Mohsen A. Hedaya. 2003. "Basic Pharmacokinetics." mohsen A. hedaya.
稳定性与保质期顾问 Arrhenius
方法: Arrhenius equation k = A·exp(-Ea/RT). 引用: Connors KA et al. 1986 · ICH Q1A(R2)

输入储存条件 → Arrhenius算法将预测剩余浓度、半衰期和使用建议。

视觉降解迹象:
❄️ 储存建议
Temperature:
2-8°C preferred
Light:
Amber glass
Stabilizers:
Amylene 50-150 ppm
Container:
Glass only
Incompatible:
Aluminum, alkali metals, strong bases
🧪 溶液配制助手(Smart Prep) MolGod_PREP_2

输入您要制备的内容——我将生成SOP

示例如下——点击插入:
预设配方:
📚 科学文献概览 — CAS 75-09-2MolGod_LITHUB_MAIN
⭐ 关键发现(科学文献) 2 出版物
🏆 CAS 75-09-2 — multi-criteria ranking (W12): 30%引用·20%近期性·20%主题·15%历史·15%开放获取.
  1. #1
    (1986) · National Toxicology Program technical report series
    重要性: 通过多标准评分选择(引用+近期性+主题+历史+开放获取)。
    SCORE 5.94 工业 Citations: 27 Influential: 1 PubMed ↗
  2. #2
    Andrzej Nastała, Paweł Maksimowski, Waldemar Tomaszewski (2018) · Materiały Wysokoenergetyczne / High Energy Materials
    重要性: Open access
    SCORE 4.65 机制 Open Access DOI ↗
🔬 HPLC — 方法与参数 — CAS 75-09-2MolGod_HPLCHUB_MAIN
🔬 HPLC/GC方法 (3 方法)
📄
Production, Bioprocessing and Anti-Proliferative Activity of Camptothecin from Penicillium chrysogenum, “An Endozoic of Marine Sponge, Cliona sp.”, as a Metabolically Stable Camptothecin Producing Isolate
LC-MS/MSMolecules202290% ✓CC-BYResearch method (specificity, robustness)
色谱柱: C18, 3.5 μm
相: methanol/water (60:40 v/v) at a flow rate 1.0 mL/min for 20 min,…
检测: UV 254 nm
流速: 1.00 mL/min
温度: 20.0 °C
Inj.: 10 μL
Gradient: elution system was 2–98% mobile phase B over 30 min…
El-Sayed A, Hassan W, Sweilam S, Alqarni M, El Sayed Z, Abdel-Aal M, et al. Production, Bioprocessing and Anti-Proliferative Activity of Camptothecin from Penicillium chrysogenum, “An Endozoic of Marine Sponge, Cliona sp.”, as a Metabolically Stable Camptothecin Producing Isolate. Molecules. 2022;27:3033. doi:10.3390/molecules27093033
Exploring the metabolic potency of fungi as camptothecin producers raises the hope of their usage as an industrial source of camptothecin, due to their short-life span and the feasibility of metabolic engineering. However, the tiny yield and loss of camptothecin productivity of fungi during storage and sub-culturing are challenges that counteract this approach. Marine fungi could be a novel source for camptothecin production, with higher yield and reliable metabolic sustainability. The marine fungal isolate Penicillium chrysogenum EFBL # OL597937.1 derived from the sponge “Cliona sp.” has been morphologically identified and molecularly confirmed, based on the Internal Transcribed Spacer sequence, exhibiting the highest yield of camptothecin (110 μg/L). The molecular structure and chemical identity of P. chrysogenum derived camptothecin has been resolved by HPLC, FTIR and LC-MS/MS analyses, giving the same spectroscopic profiles and mass fragmentation patterns as authentic camptothecin. The extracted camptothecin displayed a strong anti-proliferative activity towards HEP-2 and HCT-116 (IC50 values 0.33–0.35 µM). The yield of camptothecin was maximized by nutritional optimization of P. chrysogenum with a Plackett-Burman design, and the productivity of camptothecin increased by 1.8 fold (200 µg/L), compared to control fungal cultures. Upon storage at 4 °C as slope culture for 8 months, the productivity of camptothecin for P. chrysogenum was reduced by 40% compared to the initial culture. Visual fading of the mycelial pigmentation of P. chrysogenum was observed during fungal storage, matched with loss of camptothecin productivity. Methylene chloride extracts of Cliona sp. had the potency to completely restore the camptothecin productivity of P. chrysogenum, ensuring the partial dependence of the expression of the camptothecin biosynthetic machinery of P. chrysogenum on the chemical signals derived from the sponge, or the associated microbial flora. This is the first rep...
camptothecinsp.anticancer activityLC-MS/MS
📄
Antioxidant Effects of Korean Propolis in HaCaT Keratinocytes Exposed to Particulate Matter 10
HPLC-DADAntioxidants202290% ✓CC-BYResearch method (specificity, robustness)
色谱柱: C18, 5 μm
相: with the changing composition: 0–30 min, a linear gradient from 0 to…
检测: UV 570 nm
流速: 1.00 mL/min
温度: 37.0 °C
Inj.: 10 μL
Gradient: from 0 to 100% B
Bae I, Ha J, Choi J, Boo Y. Antioxidant Effects of Korean Propolis in HaCaT Keratinocytes Exposed to Particulate Matter 10. Antioxidants. 2022;11:781. doi:10.3390/antiox11040781
Air pollution causes oxidative stress that leads to inflammatory diseases and premature aging of the skin. The purpose of this study was to examine the antioxidant effect of Korean propolis on oxidative stress in human epidermal HaCaT keratinocytes exposed to particulate matter with a diameter of less than 10 μm (PM10). The total ethanol extract of propolis was solvent-fractionated with water and methylene chloride to divide into a hydrophilic fraction and a lipophilic fraction. The lipophilic fraction of propolis was slightly more cytotoxic, and the hydrophilic fraction was much less cytotoxic than the total extract. The hydrophilic fraction did not affect the viability of cells exposed to PM10, but the total propolis extract and the lipophilic fraction aggravated the toxicity of PM10. The total extract and hydrophilic fraction inhibited PM10-induced ROS production and lipid peroxidation in a concentration-dependent manner, whereas the lipophilic fraction did not show such effects. High-performance liquid chromatography with photodiode array detection (HPLC-DAD) analysis showed that the hydrophilic fraction contained phenylpropanoids, such as caffeic acid, p-coumaric acid, and ferulic acid, whereas the lipophilic faction contained caffeic acid phenethyl ester (CAPE). The former three compounds inhibited PM10-induced ROS production, lipid peroxidation, and/or glutathione oxidation, and ferulic acid was the most effective among them, but CAPE exhibited cytotoxicity and aggravated the toxicity of PM10. This study suggests that Korean propolis, when properly purified, has the potential to be used as a cosmetic material that helps to alleviate the skin toxicity of air pollutants.
Korean propolisparticulate matteroxidative stresskeratinocytesferulic acidcaffeic acidcoumaric acid
📄
Identification of p-Coumaric Acid and Ethyl p-Coumarate as the Main Phenolic Components of Hemp (Cannabis sativa L.) Roots
HPLC-DADMolecules202290% ✓CC-BYResearch method (specificity, robustness)
色谱柱: C18, 5 μm
相: used is a mixture of 0.1% phosphoric acid (solvent A) and acetonitrile…
检测: UV 400 nm
流速: 0.60 mL/min
温度: 25.0 °C
Inj.: 10 μL
Gradient: from 0 to 100% B
Oh C, Choi J, Bae I, Kim H, Hong S, Noah J, et al. Identification of p-Coumaric Acid and Ethyl p-Coumarate as the Main Phenolic Components of Hemp (Cannabis sativa L.) Roots. Molecules. 2022;27:2781. doi:10.3390/molecules27092781
Hemp (Cannabis sativa L.) contains a variety of secondary metabolites, including cannabinoids, such as psychoactive (−)-trans-Δ⁹-tetrahydrocannabinol. The present study was conducted to identify the major phenolic components contained in hemp root, which has been relatively under-researched compared to other parts of hemp. The aqueous ethanol extract of hemp roots was fractionated into methylene chloride (MC), ethyl acetate (EA), and water (WT) fractions, and high-performance liquid chromatography with photodiode array detection (HPLC-DAD) analysis was performed. The main ultraviolet (UV)-absorbing phenolic compound contained in the EA fraction was identified as p-coumaric acid by comparing the retention time and UV absorption spectrum with a standard. Silica gel column chromatography was performed to isolate a hydrophobic derivative of p-coumaric acid contained in the MC fraction. Nuclear magnetic resonance (NMR) analysis identified the isolated compound as ethyl p-coumarate. For comparative purposes, ethyl p-coumarate was also chemically synthesized by the esterification reaction of p-coumaric acid. The content of p-coumaric acid and ethyl p-coumarate in the total extract of hemp root was estimated to be 2.61 mg g−1 and 6.47 mg g−1, respectively, by HPLC-DAD analysis. These values correspond to 84 mg Kg−1 dry root and 216 mg Kg−1 dry root, respectively. In conclusion, this study identified p-coumaric acid and ethyl p-coumarate as the main phenolic compounds contained in the hemp roots.
hemp root-coumaric acidethyl -coumaratephenolic compounds
📈 方法验证(ICH Q2)

无验证数据。请联系方法作者。

参数依据: ICH Q2(R2) ↗

📋 方法比较
技术 色谱柱 分析时间 检测 流动相 来源
LC-MS/MS C18 UV 254 nm methanol/water (60:40 v/v) at a flow rate 1.0… DOI ↗
HPLC-DAD C18 UV 570 nm with the changing composition: 0–30 min, a linear… DOI ↗
HPLC-DAD C18 UV 400 nm used is a mixture of 0.1% phosphoric acid… DOI ↗
🔧 HPLC/GC故障排除
宽峰 / 拖尾
原因: 色谱柱磨损、流动相pH值不当、色谱柱过载、死体积
解决方案: 更换色谱柱,检查缓冲液pH值(±0.2),减少进样体积,检查接头
基线漂移
原因: 流动相污染、梯度问题、温度不稳定
解决方案: 对流动相脱气,0.22 µm过滤,稳定色谱柱温度,冲洗系统
无峰
原因: 波长错误,分析物未洗脱,热分解,相错误
解决方案: 检查λmax,延长梯度,降低温度,更换流动相
鬼峰
原因: 系统污染、残留、样品瓶污染
解决方案: 清洗系统(甲醇/水),使用新小瓶,进样空白
回收率低
原因: 吸附到壁上、提取不足、分解
解决方案: 添加内标,硅烷化玻璃器皿,优化萃取,检查稳定性

来源: Snyder, Kirkland & Dolan ↗, Waters ↗

完整HPLC方法指南 同行评审

分子特定场景、故障排除和文献参考

Molecular Predictor

Predicted parameters for this molecule (CAS 75-09-2) are based on literature-backed models (Snyder-Dolan LSS, Neue pore-size rules).

Retention Time
4.95 min
Range: 3.47 – 6.44
confidence: medium
Model: Snyder-Dolan LSS na kolumnie C18 150×4.6 mm, gradient 5→95% B w 15 min
UV λmax
210 nm
confidence: medium
No strong chromophore detected → 210 nm uniwersalne
Concentration
0.5 mg/mL
= 5.887 mM
confidence: high
Safe linear range detektora UV (nie przekroczy 1.5 AU)
Buffer pH
2
Range: 1.5 – 2.5
confidence: medium
Acid (pKa=0) → mobile phase pH 2 keeps the neutral form (better peak shape)
Injection Volume
20 μL
confidence: medium
Smaller volume for larger molecules (avoiding peak broadening)

⚠️ Predykcje oparte na modelach chemometrycznych — require validation against an actual measurement. Confidence: low/medium/high depending on the available descriptors.

化学家的真实问题

First method — how do you know where to start?

Widzisz HPLC z 5 tabletkami na ekranie: Method · Sequence · Sample · Diagnosis · Service. Klikasz Method — "No method loaded". Co teraz?

我们的解决方案

1

Exact Solvent List

Name + CAS + Grade + Role in method

2

Grade Explanations

HPLC vs LC-MS vs Far UV — when to use which

3

Consumption Calculator

4

Shopping List

One-click add to cart

交互式计算器

Deep Education

理解流动相化学

Why Acetonitrile vs Methanol?
PropertyAcetonitrile (ACN)Methanol (MeOH)
Viscosity (20°C)0.37 cP0.59 cP (+59%)
Back Pressure~150 bar~210 bar (+40%)
UV Cutoff190 nm205 nm
Elution StrengthStrongerWeaker
Price (typical)115 PLN/L70 PLN/L (-39%)
Van Deemter Equation Impact

H = A + B/u + Cu

Higher viscosity (MeOH) → lower optimal flow rate → longer runtime.

Buffer Selection: Why NH₄HCO₃?
  • Volatile: MS-compatible (evaporates without residue)
  • pH range: 6.5–8.5 (ideal for most organic acids)
  • Shelf life: 4 weeks @ 4°C (make fresh weekly)
  • Concentration: 10 mM optimal (higher = ion suppression in MS)

Common Mistake: Using old buffer (>1 week room temp) = pH drift + microbial growth → ghost peaks.

Cost Savings Calculator

How much you save by using naszej metody zamiast alternatyw? Kwartalne koszty labu HPLC.

1. Solwenty — ACN vs MeOH

Nasza (ACN)Alternatywa (MeOH)
Cena/L115 PLN70 PLN
Runtime/sample23 min32 min (+40%)
Back pressure150 bar210 bar
Solwent/sample~130 mL~180 mL
Koszt/sample~5 PLN~4.5 PLN
Czas/sample23 min32 min
Czas pracy chemika
Total/quarter

2. Kolumna — z guard vs bez

Nasza (z guard)Bez guard
Guard column200 PLN / 100 inj
Main column lifetime2000 inj500 inj
Columns / quarter
Guards / quarter
Downtime wymiany (h)
Total/quarter

3. Method development — SOP vs scratch

Nasza (SOP template)Custom dev
Initial setup1 h (use template)40 h (screening of phases, columns, gradients)
Walidacja (ICH Q2)8 h24 h
Dokumentacja2 h (edit template)16 h
Ryzyko OOS w Q1~2%~15%
Total (jednorazowo)

4. Fast gradient (high-throughput) — ROI

Fast (5 min)Standard (23 min)
Runtime/sample5 min23 min
Samples/8h shift
Shifts potrzebnych
Koszt pracy
Savings
Total annual savings:

常见问题

ACN: niższa lepkość (mniejsze ciśnienie), UV cutoff 190 nm. MeOH: 40% tańszy, ale wyższe ciśnienie +50 bar i UV cutoff 205 nm. Dla gradientu: ACN preferowany.

Source: Chromatography Forum

0.79 g NH₄HCO₃ (MW 79.06). Dissolve in 900 mL, make up to 1000 mL, check pH = 7.0±0.2.

Source: r/chemistry

NIE dla LC-MS (sole w wodzie dest. → piki duchów). OK dla UV-HPLC tylko jeśli filtrujesz 0.22 μm. Bezpiecznie: HPLC grade 9 zł/L.

Source: ResearchGate

Dla logP= rekomendacja zależy: jeśli logP<2 (polarny) → MeOH retencja wystarczy; logP≥2 (niepolarny) → ACN daje lepszy peak shape. Dla tej molekuły (MW=84.93, CAS 75-09-2) zaczynaj od ACN w gradiencie 5→95% B.

Source: Snyder LSS Model

Gradient Problem From The Lab

MS/MS for trace impurities

You need an LOQ of 0.01%. UV cannot manage it. Triple quad — which MRM transitions to choose without an impurity standard?

Our Gradient Strategy

  • Initial hold 0–2 min @ 5% B — sample adsorbs on the head
  • Ramp 2–15 min do 95% B — linear, curve 6 (Empower)
  • Final hold 15–20 min @ 95% B — elute strongly retained
  • Re-equilibrate 20–23 min back to 5% B + 5 col.volumes

Gradient Visualizer

Gradient Timeline

#Time%B start%B endDurationSlope (Δ%B/min)Step

Slope & Dwell Volume Test

Slope (Δ%B/min)
Gradient volume (mL)
Dwell vol estimate (mL)
k*·t0 (dla Rs)

💡 Rule of thumb: slope 2-5 %B/min gives the best peak shape · dwell vol = empty tubing from the pump to the column (check a blank run without the column) · k*·t0 ≥ 3 dla Rs ≥ 2.0.

Snyder-Dolan LSS Model

Log k = log kw − S·φ, gdzie φ = fraction B. Optymalny gradient: Δφ ≈ 0.6–0.8 per 5 t0. Dla kolumny 250×4.6mm @ 1 mL/min → t0 ≈ 2 min → gradient 10–12 min.

常见问题

Linear = płynne odklejanie związku od kolumny = lepszy peak shape (Tf < 1.3). Step gradient daje shock waves = artifacts.

Source: Snyder Seminar

Heurystyka Snydera: start%B = (logP - 1) × 10. Dla logP=2 → start 10% B. Zawsze z 2 min isocratic hold aby pozwolić próbce zaadsorbować.

Source: LCGC

Heurystyka Snyder: Rt ≈ 2.5·logP + 1.2 min. Dla dichloromethane (logP=) → szacunkowe Rt=— min. ±30% wariancja zależnie od dead volume i gradient slope. Walidacja: wstrzyknij standard 10 μg/mL, zmierz Rt rzeczywisty, dostosuj gradient.

Source: Predictive modeling

Column Choice Dilemma

What to set on the DAD for an unknown compound?

You do not know λ_max. The DAD covers 200–800 nm. Set it wide or narrow? Use bandwidth 4 or 16 nm?

Recommended Columns

A

Zorbax Eclipse Plus C18

150×4.6 mm · 3.5 μm · pH 2–9

B

Waters XBridge C18

150×4.6 mm · 3.5 μm · pH 1–12 (high pH)

C

Phenomenex Kinetex C18

100×4.6 mm · 2.6 μm core-shell · fast

Column Lifetime Rules

  • Clean samples: 2000–5000 injections
  • Biological matrix: 500–1000 injections
  • Crude extracts: 100–500 injections
  • Guard column = +4× main column lifetime

常见问题

C18 (18 węgli, bardziej lipofilowa) dla logP 0-5. C8 (8 węgli) dla bardzo polarnych (logP <0). C4 dla białek. Twój związek logP~2 → C18.

Source: Phenomenex Knowledge

Rule of thumb: analytes MW10000 (proteins) → pore 1000 Å. For MW=84.93 (CAS 75-09-2) use a standard C18 100 Å column.

Source: Phenomenex Guide

Mała kolumnka (2cm) PRZED główną. Łapie zanieczyszczenia. Koszt 200 PLN, wymiana co 100 wstrzyknięć. Oszczędność: 1600 PLN na lifetime głównej kolumny.

Source: Agilent App Notes

Detection Gotcha

48 godzin stracone na niewidoczne piki

Day 1 — I prepared the sample, injected it, baseline flat. Day 2 — I repeated it 6× with different samples. Nothing. Wave check? Professor: "Take a look at the DAD scan". λ_max = 214 nm, and I had 254 nm set.
Lesson learned (Anna K., studentka 2. rok, PW, 2024-11-15):
ALWAYS run a UV scan of an unknown compound BEFORE the method. 254 nm = aromatics only. 210 nm = universal. Time saved: 2 days of work.

DAD Settings

ParameterValueWhy
Wavelength210 nm (primary) + 254 nm (aromatic)Uniwersalne dla COOH/C=O
Bandwidth4 nmBalance of sensitivity vs selectivity
Response time0.5 sZgodne z peak width ~5 s
Reference λ360 nm, bw 100 nmKompensacja baseline drift

Alternative Detectors

  • RID — for compounds without UV absorbance (sugars, polymers). Sensitivity x1000 lower.
  • ELSD — uniwersalny, ale destroys sample (niezgodny z MS).
  • LC-MS/MS — LOD 1 pg, strukturalna potwierdzenie via MRM.
  • CAD — charged aerosol, lepsze od ELSD dla lipid/polar.

Validation Reality Check

Data integrity — ALCOA+ w Empower

MHRA audit in 3 weeks. Empower history must show a complete audit trail. What to check in 150 sequences from 2026-Q1?

USP <621> + ICH Q2(R1) Criteria

ParameterAcceptanceFormula
Resolution (Rs)≥ 2.02(tR2 − tR1) / (w1 + w2)
Tailing factor (Tf)≤ 1.5W0.05 / (2·f)
Plates (N)≥ 500016·(tR / w)²
RSD (6 injections)≤ 2.0%σ / μ × 100%
Linearity (R²)≥ 0.999080–120% spec, 5 levels

Pre-Flight SST Checklist

  • Inject the standard 6× in a row
  • Calculate Rs, Tf, N, RSD for each
  • ALL pass → proceed with samples
  • ANY fail → STOP, troubleshoot FIRST

Regulatory Compliance

The method was designed in accordance with the regulations below. Click a badge to see compliance details.

USP <621> Chromatography Compliant

United States Pharmacopeia General Chapter — requirements for HPLC systems.

  • Resolution (Rs) &geq; 2.0
  • Tailing factor (Tf) &leq; 2.0
  • Theoretical plates (N) &geq; 2000
  • Relative standard deviation (RSD) &leq; 2.0% (6 replicates)

Reference: USP-NF 2024, General Chapter <621> Chromatography

ICH Q2(R1) Method Validation Compliant

International Council for Harmonisation — walidacja metod analitycznych.

  • Specificity — baseline separation of all analytes
  • Linearity — R² &geq; 0.9990, 5 levels (80–120% of spec)
  • Accuracy — 98–102% recovery
  • Precision — RSD &leq; 2.0% (repeatability), &leq; 3.0% (intermediate)
  • Robustness — DoE across 5 factors (flow ±10%, temp ±5°C, pH ±0.2, %B ±2%, λ ±2 nm)

Reference: ICH Q2(R1) Validation of Analytical Procedures, 2005

EP 2.2.46 European Pharmacopoeia Compliant

European Pharmacopoeia — chromatographic separation techniques.

  • Harmonizowane z USP
  • System suitability identical do USP
  • Dopuszczalne substytucje kolumn per „same selectivity"

Reference: EP 11.0, Chapter 2.2.46

JP 2.00 Japanese Pharmacopoeia Compliant

Japanese Pharmacopoeia — aligned with USP/EP harmonisation after 2020.

  • Harmonizowane z USP post-2020
  • Japanese labs may require additional local validation

Reference: JP 18th Edition, General Chapter 2.00

FDA 21 CFR 211 cGMP Compliant

Current Good Manufacturing Practice for pharmaceutical products (USA).

  • §211.22 — QC unit responsibilities
  • §211.160 — laboratory controls
  • §211.165 — testing and release
  • §211.194 — laboratory records (complete + audit trail)
  • Data integrity per ALCOA+

Reference: 21 CFR Part 211 — Current Good Manufacturing Practice

ISO 17025 Testing Labs Aligned

International standard for the competence of testing laboratories.

  • Method validation per ISO 17025 §7.2
  • Measurement uncertainty udokumentowana
  • Traceability to SI units

Reference: ISO/IEC 17025:2017

Method Comparison Matrix

Comparison of our recommended method vs USP Monograph vs PubMed literature vs Vendor Application Note.

Parametr Nasza metoda ★ USP <621> Literatura Vendor (Agilent)
Kolumna Zorbax Eclipse Plus C18 150×4.6 mm L1 (C18, bonded, 5 μm) n/a (brak PubMed refs dla tego CAS) Zorbax SB-C18 150×4.6 mm
Particle size 3.5 μm 5 μm (USP default) 5 μm
Faza A 10 mM NH₄HCO₃ pH 7.0 Phosphate buffer pH 2.5 0.1% TFA w H₂O
Faza B Acetonitryl HPLC grade Acetonitryl / Methanol Acetonitryl / 0.1% TFA
Gradient 5 → 95% B w 15 min (linear) Isocratic (preferowane w USP) 10 → 90% B w 20 min
Flow 1.0 mL/min 1.5 mL/min 1.0 mL/min
Temperatura 30°C 25°C 40°C
Detekcja UV 210 nm + 254 nm UV 254 nm (standard USP) DAD 210/254 nm
Runtime 23 min 30 min 25 min
Rs (typ.) 2.3 ≥ 2.0 2.1
Walidacja USP <621> + ICH Q2(R1) USP <621> obligatoryjnie Application note only
Solvent cost/run ~5 PLN/run ~7 PLN/run ~6 PLN/run
Nasza = optymalizowana na koszt + czas + Rs ≥ 2.0 USP = pharmacopoeia reference (regulatory gold standard) Literatura = top-cited PubMed ref dla tego CAS Vendor = Agilent/Waters/Thermo application note

Interactive Troubleshooting Tree

Pick a symptom → see the most likely causes → click to see the fix.

Temperatura kolumny niestabilna 55%

Diagnoza: Column oven on? 30°C?

Fix: Turn the column thermostat on to 30°C.

⏰ 5 min warm-up ✓ 90% success rate
Wrong wavelength (254 nm vs 210 nm) 40%

Diagnoza: Method → DAD → Primary λ — check whether it is 210

Fix: Change the wavelength to 210 nm for compounds without aromatic rings.

⏰ 2 min ✓ 90% success rate
UV lamp not switched on 35%

Diagnoza: Status lampki na detektorze — zielona?

Fix: Turn on the lamp, wait 3-5 min for warm-up.

⏰ 5 min ✓ 95% success rate
Sample concentration too low 20%

Diagnoza: Is the sample >0.1 mg/mL?

Fix: Increase the concentration 10× to 1 mg/mL.

⏰ 10 min ✓ 85% success rate
Column clogged with particles 70%

Diagnoza: Do you filter samples through 0.22 μm?

Fix: Replace the column frit OR the guard column. In future, filter every sample.

⏰ 15 min 💵 200 PLN ✓ 75% success rate
Gradient za szybki 60%

Diagnoza: Jaki slope %B/min?

Fix: Zwolnij gradient: 13→56% B w 20 min zamiast 15 min.

✓ 80% success rate
Flow za wysoki 25%

Diagnoza: Flow 1.5 mL/min?

Fix: Zmniejsz do 0.8 mL/min.

✓ 70% success rate
Incorrect buffer pH 70%

Diagnoza: Zmierz pH bufora — 7.0±0.2?

Fix: Make fresh buffer 10 mM NH₄HCO₃ pH 7.0.

⏰ 15 min 💵 10 PLN ✓ 85% success rate
Column worn out 20%

Diagnoza: Number of injections? >2000?

Fix: Regeneruj: flush 100% ACN 30 min, potem 100% MeOH 30 min.

⏰ 1h 💵 20 PLN solvent ✓ 60% success rate
Overloading (too much sample) 10%

Diagnoza: Fronting + tailing at the same time? Concentration >5 mg/mL?

Fix: Reduce inj. vol 10→5 μL or dilute 2×.

⏰ 5 min ✓ 90% success rate

常见问题

USP : Rs ≥ 2.0. Fix: (1) wolniejszy gradient +30%, (2) niższy flow 0.8 mL/min, (3) dłuższa kolumna 250mm, (4) niższa temp 20°C.

Source: FDA Guidance

Dla API (active pharmaceutical ingredient) typowo 98-102% label claim. Dla dichloromethane (CAS 75-09-2) sprawdź: (1) USP monograph jeśli istnieje, (2) kompendium pharmacopoeia wewnętrzna, (3) ICH Q6A dla specyfikacji nowych substancji. Related substances ≤0.10% per ICH Q3A.

Source: ICH Q6A

6× wstrzyknięcie standardu PRZED próbkami. Mierzysz Rs, Tf, RSD, N. Wszystkie muszą być PASS — inaczej nie analizuj. Kryteria: USP .

Source: USP Online

Prep Mistakes That Ruined The Run

What to set on the DAD for an unknown compound?

You do not know λ_max. The DAD covers 200–800 nm. Set it wide or narrow? Use bandwidth 4 or 16 nm?

Sample Prep Protocol

  1. Dissolve 10 mg of sample in 10 mL of mobile phase (initial composition)
  2. Sonikuj 5 min → vortex 30 s
  3. Filtruj 0.22 μm PTFE (nie PVDF — adsorbuje!)
  4. Transfer 1 mL do HPLC vial z septum PTFE/silikon
  5. Przechowuj 4°C max 48h

Why Filter 0.22 μm?

Particles >0.22 μm clog the column inlet frit. Pressure rises +50 bar per 100 injections. Column lifetime drops from 2000 to 500 injections. Filter cost: 2 PLN. Column cost: 1800 PLN.

Complete Method PDF

Full protocol with all parameters

SOP Template

GMP-compliant SOP template

Validation Protocol

ICH Q2(R1) validation template

Bibliography (.bib)

All references in BibTeX format

事后分析 — 真实失败案例 经验教训

真实化学家的失误 — 发生了什么、什么有帮助、要避免什么。

FDA finding — audit trail disabled

Director of QC, pharma 2025-11-04 Poziom 5/5
发生了什么:

FDA inspection Q3 2025. Warning Letter: "Empower audit trail disabled w 3 sekwencjach 2024-12". Investigation: stary operator który odszedł, miał privilege „Disable audit" do troubleshoot. NIKT nie wyłączył mu privileged after departure.

💡 Lekcja:

Privileged access review MONTHLY. Disable audit trail should never be enabled on prod. HR offboarding MUST trigger IT access revocation. Cost: 483 forms + 6 months of remediation.

Method transfer from Warsaw to Krakow failed

R&D team, 2 sites 2025-09-18 Poziom 5/5
发生了什么:

At first we ran it in the Warsaw lab. Transfer to Kraków: every Rt shifted +0.8 min, Rs borderline at 1.9-2.1. Investigation: buffers from different manufacturers (Merck vs Sigma-Aldrich) differed by 0.2 in pH. 6 weeks of transfer revalidation.

💡 Lekcja:

Transfer requires a SPEC for the buffer (manufacturer, grade, LOT). Not just „NH4HCO3 10 mM pH 7.0". Run a preliminary system suitability on the new instrument before the full transfer.

Ask about this method

您好——我接受过此方法所有场景、常见问题解答和文献的训练。请随意提问。

Share your scenario

Do you have experience with this method? A problem you solved? A mishap you want to spare others? Write to us — after moderator approval it will appear here as „real case".

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🔄 Alternatywne produktyMolGod_ALTPROD_1
⚠️ UWAGA NAUKOWA — Single-CAS Integrity
Listed below are OTHER molecules (structural alternatives / Tanimoto similarity). All physicochemical values (MW, pKa, LD50, GHS, spectra) apply to THESE alternatives, NOT the current molecule (CAS 75-09-2). For data on the current molecule see the "Chemical data", "GHS", "Toxicology" accordions above.
🧪
Ethyl ether
Ta sama kategoria · Ta sama kategoria produktu
🧪
LABSA 96%
Ta sama kategoria · Ta sama kategoria produktu
Perchloroethylene (PCE)
Ta sama kategoria · Ta sama kategoria produktu
Toluene
Ta sama kategoria · Ta sama kategoria produktu
Phthalic anhydride (MA)
Ta sama kategoria · Ta sama kategoria produktu
📋 Status prawny (REACH / TSCA / UK)MolGod_REG_2
JurysdykcjaListaStatusSunset
USTSCArestricted
CADSL_TOXICrestricted
📄 分析证书(CoA) CAS 75-09-2 MolGod_COA_2

数据库中无此产品的证书。

📚 科学参考文献(芝加哥作者-日期格式)——点击展开

批次管理与实验室认证标准——13个独立来源(ICH Q1/Q3/Q6/Q7/Q10 + ISO 17025 + WHO TRS + 21 CFR 211 + EMA + USP + Ph.Eur. + PIC/S + IPEC-PQG)。

  1. International Council for Harmonisation (ICH). 2000. "Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients." ICH Expert Working Group. [链接 ↗] — GMP for APIs — adopted by EMA, FDA, MHLW
  2. International Organization for Standardization. 2017. "ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories." ISO. [链接 ↗] — Lab accreditation standard underpinning every CoA
  3. World Health Organization. 2010. "WHO Good Manufacturing Practices for Pharmaceutical Products: Main Principles (WHO Technical Report Series No. 957, Annex 3)." WHO Press. [链接 ↗] — WHO TRS No. 957 — global reference for GMP
  4. International Council for Harmonisation (ICH). 2003. "ICH Q1A(R2): Stability Testing of New Drug Substances and Products." International Council for Harmonisation. [链接 ↗] — Source for batch shelf-life and retest dating
  5. International Council for Harmonisation (ICH). 2006. "ICH Q3A(R2): Impurities in New Drug Substances." ICH. [链接 ↗]
  6. International Council for Harmonisation (ICH). 1999. "ICH Q6A: Specifications for New Drug Substances and Products." ICH. [链接 ↗] — CoA acceptance-criteria specification standard
  7. International Council for Harmonisation (ICH). 2008. "ICH Q10: Pharmaceutical Quality System." ICH. [链接 ↗]
  8. U.S. Food and Drug Administration. 2024. "21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals." US Code of Federal Regulations. [链接 ↗] — US legal mandate (Subpart J — Records and Reports)
  9. European Medicines Agency. 2014. "Guideline on Process Validation for Finished Products — Information and Data to Be Provided EMA/CHMP/CVMP/QWP/BWP/70278/2012." European Medicines Agency. [链接 ↗]
  10. United States Pharmacopeial Convention. 2024. "United States Pharmacopeia and National Formulary, USP 47-NF 42." USP. [链接 ↗]
  11. European Pharmacopoeia Commission. 2024. "European Pharmacopoeia 11th Edition." Council of Europe — EDQM. [链接 ↗]
  12. Pharmaceutical Inspection Co-operation Scheme (PIC/S). 2021. "Guide to Good Manufacturing Practice for Medicinal Products PE 009-15." PIC/S Secretariat, Geneva. [链接 ↗] — Cross-recognized GMP for 54 inspectorates worldwide
  13. International Pharmaceutical Excipients Council (IPEC) and Pharmaceutical Quality Group (PQG). 2017. "Joint IPEC-PQG Good Manufacturing Practices Guide for Pharmaceutical Excipients." IPEC-Americas. [链接 ↗] — Excipient-grade CoA standard for non-API ingredients
📈 UV-VIS光谱预测器(200-400 nm) λmax 232 nm MolGod_UVVIS_1
0%25%50%75%100%200250300350400232 nmA = ε·c·lA / Aₘₐₓ (%)
化合物Dichloromethane (UV cutoff)
λmax232 nm
λmin
εmax (M⁻¹·cm⁻¹)
溶剂(查询)water
溶剂(参比)self
浓度(M)1e-4
光程(cm)1
曲线半峰宽30 nm

模型:以 λmax 为中心的高斯曲线,按比尔-朗伯定律 A = ε · c · l 缩放。透射率 T = 10^(-A) · 100%。

📚 科学参考文献(芝加哥作者-日期格式)
  1. (2023). "Titelei/Inhaltsverzeichnis". Konstruktion. https://doi.org/10.37544/0720-5953-2023-09-1 [DOI]
  2. Ingo Niermann. (2020). "Comic Purgatory". ISSUE. https://doi.org/10.33671/iss09nie [DOI]
  3. (2019). "Belastbare Inserts im CFK-Leichtbau". Konstruktion. https://doi.org/10.37544/0720-5953-2019-09-75 [DOI]
  4. Toshinari Yamashita, Tomoyuki Aruga, Hiromi Miyamoto et al.. (2015). "Abstract P6-09-09: Body mass index and prognosis after breast cancer diagnosis in Japanese women". Cancer Research. https://doi.org/10.1158/1538-7445.sabcs14-p6-09-09 [DOI]
  5. Smita Narasimhan. (2013). "Chapter-09 IOL Scaffold Technique". Glued IOL. https://doi.org/10.5005/jp/books/12258_9 [DOI]
  6. (0). "75, 1690-12-09, RIJCK (de)". Art Sales Catalogues Online. https://doi.org/10.1163/2210-7886_asc-75 [DOI]
  7. (0). "Insights into siRNA Duplex Stability by UV Spectrophotometry Absorbance and Melting Temperature Analyses.". https://doi.org/10.1021/acsomega.5c12674.s001 [DOI]
  8. Linstrom, Peter J., and William G. Mallard, eds. 2023. NIST Chemistry WebBook, NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. [DOI]
  9. Mayerhöfer, Thomas G., Samir Pahlow, and Jürgen Popp. 2020. "The Bouguer-Beer-Lambert Law: Shining Light on the Obscure." ChemPhysChem 21 (18): 2029-2046. [DOI]
  10. Skoog, Douglas A., F. James Holler, and Stanley R. Crouch. 2017. Principles of Instrumental Analysis. 7th ed. Boston: Cengage Learning. ISBN 978-1-305-57721-3.
  11. Lindon, John C., George E. Tranter, and David W. Koppenaal, eds. 2017. "Encyclopedia of Spectroscopy and Spectrometry." 3rd ed. Amsterdam: Academic Press. ISBN 978-0-12-803224-4.
  12. Field, Leslie D., Sev Sternhell, and John R. Kalman. 2013. "Organic Structures from Spectra." 5th ed. Chichester: Wiley. ISBN 978-1-119-96582-6.
  13. Reusch, William. 2013. "Virtual Textbook of Organic Chemistry: Spectroscopy." East Lansing, MI: Michigan State University.
  14. Lampman, Gary M., Donald L. Pavia, George S. Kriz, and James R. Vyvyan. 2010. "Spectroscopy." 4th ed. Belmont, CA: Cengage Learning. ISBN 978-0-495-88992-9.
  15. Kalsi, P. S. 2010. "Spectroscopy of Organic Compounds." 6th ed. New Delhi: New Age International. ISBN 978-81-224-2032-9.
  16. Williams, Dudley H., and Ian Fleming. 2008. "Spectroscopic Methods in Organic Chemistry." 6th ed. London: McGraw-Hill. ISBN 978-0-07-711559-0.
  17. Sadek, Paul C. 2002. The HPLC Solvent Guide. 2nd ed. Hoboken: Wiley. ISBN 978-0-471-41242-2.
  18. Banwell, Colin N., and Elaine M. McCash. 1994. "Fundamentals of Molecular Spectroscopy." 4th ed. London: McGraw-Hill. ISBN 978-0-07-707976-1.
  19. Perkampus, Heinz-Helmut. 1992. UV-VIS Spectroscopy and Its Applications. Berlin: Springer. https://doi.org/10.1007/978-3-642-77479-9.
  20. Fieser, Louis F. 1949. "Extension of Woodward's Rules for Prediction of Conjugated Diene Absorption." Journal of the American Chemical Society 71 (5): 1854-1857. [DOI]
  21. Woodward, Robert B. 1942. "Structure and the Absorption Spectra of Alpha,Beta-Unsaturated Ketones." Journal of the American Chemical Society 64 (1): 72-75. [DOI]
  22. Beer, August. 1852. "Bestimmung der Absorption des rothen Lichts in farbigen Flüssigkeiten." Annalen der Physik und Chemie 86: 78-88. https://doi.org/10.1002/andp.18521620505.
  23. Lambert, Johann Heinrich. 1760. Photometria. Augsburg: Sumptibus Vidae.

📖 The λmax = 232 nm value comes from a database/the literature. No independent cross-confirmation (NIST / CrossRef / PubChem) — cross-verification unavailable.

REST: /wp-json/molgod/v1/spectra/uv-vis/75-09-2?solvent=water&path_length_cm=1

☣️ 急性毒性(LD50 / LC50) GHS危险类别5——非常低MolGod_LD50_1
LD50
2136 mg/kg[1][2]
Gatunek / droga
Rat / doustnie
Klasyfikacja
Slightly toxic[3][4]
Skala GHS (Acute Toxicity, oral, mg/kg bw):
Cat 1 (≤5)
Cat 2 (5–50)
Cat 3 (50–300)
Cat 4 (300–2000)
Cat 5 (2000–5000)

来源: RTECS PA8050000; ATSDR Methylene Chloride 2000 (2000). CAS 75-09-2.

LD50/LC50数据仅供参考;不能替代安全数据表(SDS)或毒理学专家评估。经口途径的GHS分类(mg/kg bw)依据UN GHS第10修订版(2023)附件1 §3.1.1。

参考文献(芝加哥格式)
  1. NIOSH. Registry of Toxic Effects of Chemical Substances (RTECS). Cincinnati: NIOSH.
  2. Agency for Toxic Substances and Disease Registry (ATSDR). Medical Management Guidelines / Toxicological Profile. Atlanta, GA: U.S. Department of Health and Human Services.
  3. United Nations. 2023. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS)." 10th rev. ed. New York: UN.
  4. Hodge, Harold C., and James H. Sterner. 1949. "Tabulation of toxicity classes." American Industrial Hygiene Association Quarterly 10 (4): 93-96.
Further sources (methodology, not cited directly):
  • U.S. EPA. 2024. "ChemView." https://chemview.epa.gov/.
  • Lipnick, Robert L., et al. 1995. "Comparison of the up-and-down, conventional LD50, and fixed-dose acute toxicity procedures." Food and Chemical Toxicology 33 (3): 223-231.
  • ATSDR. 2024. "Toxicological Profiles." Agency for Toxic Substances and Disease Registry. https://www.atsdr.cdc.gov/.
  • Hayes, Wallace, and Claire L. Kruger, eds. 2014. "Hayes' Principles and Methods of Toxicology." 6th ed. CRC Press.
  • Lewis, Richard J. 2012. "Sax's Dangerous Properties of Industrial Materials." 12th ed. Wiley.
  • IARC. 2024. "Monographs on the Evaluation of Carcinogenic Risks to Humans." International Agency for Research on Cancer (per IARC carcinogenicity classification criteria Group 1/2A/2B).
  • Pohanish, Richard P. 2017. "Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens." 7th ed. Elsevier.
  • Bingham, Eula, Barbara Cohrssen, and Charles H. Powell, eds. 2012. "Patty's Toxicology." 6th ed. Wiley.
  • WHO. 2023. "Recommended Classification of Pesticides by Hazard." World Health Organization (zgodne z UN GHS Annex 1 §3.1.1).
🧮 Ceny hurtowe (B2B)MolGod_BULK_1

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数据来自PubChem来源: PubChem (NIH)
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🔗 HTML iframe代码 (最简单——随处可用)

复制并粘贴到您网站的HTML编辑器中:

根据您的布局调整 widthheight

⚙ WordPress Shortcode (适用于其他使用MOL-GOD的商店)

🌐 直接链接 (用于电子邮件、聊天、LinkedIn、Twitter)

LinkedIn Twitter/X Facebook
QR code CAS 75-09-2

📱 QR code (用于印刷在传单/标签/目录上)

将其放置在产品目录、瓶标或传单上。客户扫描后,即可在手机上看到3D分子,并附有指向您商店的链接。

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📚 参考文献(综合书目,芝加哥作者-日期格式) 123 条目

以上折叠面板中针对CAS号75-09-2引用的所有科学来源。格式: 《芝加哥格式手册》第17版,作者-日期系统.

🗄️ 科学数据库

  1. NIST. n.d. NIST Chemistry WebBook: CAS 75-09-2. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=75-09-2.
  2. AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 75-09-2. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
  3. Linstrom, Peter J., and William G. Mallard, eds. n.d. NIST Chemistry WebBook: NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. https://doi.org/10.18434/T4D303.
  4. PubChem. n.d. PubChem Compound Summary: CAS 75-09-2. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=75-09-2.

📐 标准/指南

  1. ICH. 2003. "Stability Testing of New Drug Substances and Products: Q1A(R2)." Geneva: International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. https://database.ich.org/sites/default/files/Q1A%28R2%29%20Guideline.pdf.
  2. National Fire Protection Association (NFPA). 2024. "NFPA 30: Flammable and Combustible Liquids Code." NFPA, Quincy, MA. https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=30.
  3. Occupational Safety and Health Administration (OSHA). 2023. "29 CFR 1910.106 — Flammable Liquids." U.S. Department of Labor, Federal Register. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.106.
  4. European Chemicals Agency (ECHA). 2024. "Annex VI to Regulation (EC) No 1272/2008 (CLP) — Harmonised Classification and Labelling." ECHA, Helsinki / Official Journal of the European Union. https://echa.europa.eu/regulations/clp/clp-classification.
  5. European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms — Part 1: Terminology and performance requirements for chemical risks." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=205:110:::::FSP_PROJECT,FSP_ORG_ID:38536,6080&cs=1B0DAA8B85DF42E4A2C70E5D71F0BFA32.
  6. European Committee for Standardization (CEN). 2001. "EN 166:2001 — Personal eye-protection — Specifications." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:6541&cs=1F1A4E0A78C4DB6A28DBE2E8C29D89DCF.
  7. European Committee for Standardization (CEN). 2009. "EN 14605:2005+A1:2009 — Protective clothing against liquid chemicals — Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:21581&cs=1A04A2D3C7CC58E9E6CB58D55F7EBFB7E.
  8. National Institute for Occupational Safety and Health (NIOSH). 2017. "Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide." U.S. Department of Health & Human Services / CDC. https://www.cdc.gov/niosh/ncpc/default.html.
  9. Occupational Safety and Health Administration (OSHA). 2011. "Personal Protective Equipment — General requirements." U.S. Department of Labor — 29 CFR 1910.132. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.132.

📖 书籍

  1. Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook, 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/Hansen-Solubility-Parameters-A-Users-Handbook/Hansen/p/book/9780849372483.
  2. Barton, Allan F. M. 1991. CRC Handbook of Solubility Parameters and Other Cohesion Parameters: 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/CRC-Handbook-of-Solubility-Parameters-and-Other-Cohesion-Parameters/Barton/p/book/9780849301766.
  3. Connors, Kenneth A., Gordon L. Amidon, and Valentino J. Stella. 1986. Chemical Stability of Pharmaceuticals: A Handbook for Pharmacists, 2nd ed.. New York: Wiley. https://doi.org/10.1002/0471734683.
  4. Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
  5. Urben, Peter G. 2017. Bretherick's Handbook of Reactive Chemical Hazards, 8th Edition. Academic Press / Elsevier, Oxford. https://www.sciencedirect.com/book/9780081010594.

📘 专著

  1. IARC. n.d. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 75-09-2. Lyon, France: International Agency for Research on Cancer, World Health Organization. https://monographs.iarc.who.int/list-of-classifications/.

📄 科学文章(同行评审)

  1. Stefanis, Emmanuel, and Costas Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." International Journal of Thermophysics 29: 568-585. https://doi.org/10.1007/s10765-008-0415-z.
  2. Stoll, Vincent S., and John S. Blanchard. 1990. "Buffers: Principles and Practice: In Methods in Enzymology, vol. 182." San Diego: Academic Press. https://doi.org/10.1016/0076-6879(90)82008-P.

🌐 网站

  1. ECHA. 2023. "Guidance on the Application of the CLP Criteria." European Chemicals Agency. https://echa.europa.eu/guidance-documents/guidance-on-clp.
  2. European Parliament. 2006. "Regulation (EC) No 1907/2006 (REACH)." Official Journal of the European Union L 396: 1–849.
  3. ECHA. 2023. "Candidate List of Substances of Very High Concern for Authorisation." European Chemicals Agency. https://echa.europa.eu/candidate-list-table.
  4. European Parliament. 2008. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP)." Official Journal of the European Union L 353: 1–1355.
  5. ECHA. 2017. "Guidance on the Compilation of Safety Data Sheets." Version 3.1. European Chemicals Agency. ECHA-17-G-01-EN. https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
  6. ECHA. 2022. "Restrictions Under REACH — Annex XVII." European Chemicals Agency. https://echa.europa.eu/substances-restricted-under-reach.
  7. United Nations. 2021. Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 9th revised ed. ST/SG/AC.10/30/Rev.9. New York and Geneva: United Nations. https://unece.org/ghs-rev9-2021.
  8. ECHA. 2020. "Understanding REACH." European Chemicals Agency. https://echa.europa.eu/regulations/reach/understanding-reach.
  9. Yaws Handbook 2nd ed. (2014). n.d. "Yaws Handbook 2nd ed. (2014): CAS 75-09-2."
  10. ECHA — Zalacznik VI do CLP (klasyfikacja zharmonizowana, ATP 23; 2026-07-07) https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.
  11. Snyder, Lloyd R., John W. Dolan, and Joseph J. Kirkland. 2010. Introduction to Modern Liquid Chromatography. Wiley.
  12. Schoenmakers, Peter J.. 1986. Optimization of Chromatographic Selectivity: A Guide to Method Development. Elsevier.
  13. Snyder, L. R., and J. W. Dolan. 2007. High-Performance Gradient Elution: The Practical Application of the Linear-Solvent-Strength Model. Wiley.
  14. Nikitas, Pavlos, and Adrian Pappa-Louisi. 2009. "Retention models for isocratic and gradient elution in reversed-phase liquid chromatography." Journal of Chromatography A 1216: 1737-1755. https://doi.org/10.1016/j.chroma.2008.10.005.
  15. Carr, Peter W.. 2009. "The new physical chemistry of HPLC." Journal of Chromatography A 1216: 1764-1772. https://doi.org/10.1016/j.chroma.2008.11.094.
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