Does BMA mean n-butyl methacrylate or isobutyl methacrylate?

In most commercial usage the bare abbreviation means the normal isomer, n-butyl methacrylate, CAS 97-88-1. The branched isomer, isobutyl methacrylate, is a different substance with its own identifiers and a different contribution to copolymer hardness, and the tertiary isomer is different again. Because all three are abbreviated loosely in day-to-day correspondence, an order written as BMA alone is ambiguous. Write the full chemical name and the CAS number on every enquiry, purchase order and goods-inwards record.

Why must the monomer not be blanketed with pure nitrogen?

Because the stabiliser used in commercial methacrylate monomers requires dissolved oxygen to function. It intercepts radicals by a mechanism that consumes oxygen, so a drum stripped of oxygen contains an inhibitor that is chemically present and functionally absent. The correct headspace is air, or air diluted with nitrogen to a specified oxygen content, never an inert blanket. This is one of the very few cases in a chemical store where displacing oxygen makes a material more dangerous rather than less, and it catches people whose instinct is trained on flammable solvents.

How should inhibitor content be read on a certificate?

As a starting condition rather than a permanent property. The certificate reports the inhibitor level at release; that level falls in storage as the stabiliser does its job, and it falls faster in warm conditions, in light and in the presence of contamination. A long-stored drum can meet its original certificate on every other line while having very little inhibitor left. Where storage has been long or uncertain, retest the inhibitor level before charging a reactor rather than relying on the release figure.

What is popcorn polymerisation and why does it matter here?

It is a self-propagating, expanding polymer growth that forms in dead legs, vapour spaces, valve bonnets and residues where inhibitor cannot reach. Once seeded it continues under conditions that would not start a normal polymerisation, and it grows mechanically enough to jam valves and distort equipment. The controls are housekeeping controls: no unswept dead legs, no long-standing residues, no lines left full between campaigns, and clean vessels before refilling. It is not a reason to avoid methacrylate monomers, but it is a reason to design the pipework as if the monomer were reactive, because it is.

How does the butyl ester change a copolymer compared with the methyl one?

The four-carbon ester side chain is flexible and bulky, so it loosens chain packing and lowers the temperature at which the polymer softens. Against the methyl ester it gives a softer, more flexible and more extensible polymer, better adhesion and easier film formation, at the cost of hardness and block resistance. Against the corresponding acrylate it gives a harder polymer with the weathering advantage of the methacrylate backbone. Formulators use it as the soft component of an all-methacrylate system, which keeps the durability while tuning flexibility.

什么是Diethyl carbonate？

Diethyl carbonate 是一种化学品，CAS 登记号为 105-58-8。分子式: C5H10O3. 摩尔质量: 118.13 g/mol. IUPAC: diethyl carbonate.

Diethyl carbonate 的 CAS 号是多少？

Diethyl carbonate 的 CAS 号为 105-58-8——化学文摘社 (CAS) 的唯一标识符。

Diethyl carbonate 的分子式是什么？

分子式: C5H10O3. 摩尔质量: 118.13 g/mol. logP (XLogP3): 1.2. PSA: 35.5 Å².

Diethyl carbonate 有哪些 GHS 危害？

根据 GHS 分类，Diethyl carbonate 须标注以下危险说明： H226 (易燃液体和蒸气), H315 (造成皮肤刺激), H319 (造成严重眼刺激), H335 (可引起呼吸道刺激).

在哪里可以购买Diethyl carbonate？

Diethyl carbonate 在我们的商店有售。查看产品：https://epchems.online/products/diethyl-carbonate/

Diethyl carbonate 的化学数据来自哪里？

Diethyl carbonate 的化学数据来自权威来源：PubChem (NIH), ChEMBL (EBI)。 PubChem CID: 7766. 符合 CLP 法规（EC 1272/2008），依据 CC-BY 4.0 许可提供。

Diethyl carbonate

CAS 105-58-8 · C₅H₁₀O₃ · MW 118.13 g/mol

关于 Diethyl carbonate

Diethyl carbonate 是一种化学品，登记号为 CAS 105-58-8，分子式为 C₅H₁₀O₃，摩尔质量为 118.13 g/mol。

该分子包含 18 个原子，通过 17 个化学键连接。该化合物的完整系统 IUPAC 名称为 diethyl carbonate。上方的交互式 3D 模型可查看原子的空间排列——您可以用鼠标旋转、用滚轮缩放，并在骨架 / 球棍 (Ball & Stick) / 空间填充 (Space Fill) 显示模式之间切换。

在理化性质方面，分配系数 logP = 1.2 (正值，亲脂性化合物)，极性表面积 PSA = 35.5 Å²，0 个氢键供体和 3 个氢键受体。这些参数对于评估生物利用度以及与生物分子的相互作用至关重要。

该化合物的化学数据来自 PubChem（NIH NLM NCBI），全球最大的化学数据库之一。所有信息均自动更新，并附有符合 CLP 法规（EC 1272/2008）的 GHS 危险说明翻译。上方的小部件可用于教育、研究和商业用途。

理化性质

Wzór sumaryczny	C₅H₁₀O₃
Masa molowa	118.13 g/mol
IUPAC	diethyl carbonate
SMILES	`CCOC(=O)OCC`
InChIKey	`OIFBSDVPJOWBCH-UHFFFAOYSA-N`
logP (XLogP3)	1.2
PSA	35.5 Å²
HBD / HBA	0 / 3
PubChem CID	CID 7766 ↗

GHS 安全

Sygnał: Uwaga

GHS02

GHS07

H226 — Łatwopalna ciecz i pary

H315 — Działa drażniąco na skórę

H319 — Działa drażniąco na oczy

H335 — Może powodować podrażnienie dróg oddechowych

科学文献

Literatura naukowa

20 artykułów · 11 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

Wysokość słupka = liczba artykułów w roku. Hover dla szczegółów.

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Comparative study of conventional and process intensification by reactive distillation designs for glycerol carbonate production from glycerol and diethyl carbonate.

et al. (2025)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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Sustainable Synthesis of Dimethyl- and Diethyl Carbonate from CO2 in Batch and Continuous Flow-Lessons from Thermodynamics and the Importance of Catalyst Stability.

(2022)

Cytowania: 5Open AccessDOI ↗PubMed ↗PDF ↗

Temperature Dependence of Self-Diffusion Coefficients of Ions and Solvents in Ethylene Carbonate, Propylene Carbonate, and Diethyl Carbonate Single Solutions and Ethylene Carbonate + Diethyl Carbonate Binary Solutions of LiPF 6 Studied by NMR

Kikuko Hayamizu (2012) · Journal of Chemical & Engineering Data

Cytowania: 192$ PaywallDOI ↗

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Readily-fabricated supported MgO catalysts for efficient and green synthesis of diethyl carbonate from ethyl carbamate and ethanol.

et al. (2021)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Enzymatic synthesis of fatty acid ethyl esters by utilizing camellia oil soapstocks and diethyl carbonate.

(2011)

Cytowania: 5$ PaywallDOI ↗PubMed ↗

Environment-friendly synthesis of diethyl carbonate via ethyl carbamate alcoholysis over cerium oxide catalyst.

et al. (2019)

Cytowania: 4$ PaywallDOI ↗PubMed ↗

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Early Warning of Battery Thermal Runaway Enabled by Ag-Decorated SnO2 and Machine Learning: Diethyl Carbonate Recognition.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Performance and emission evaluation of diesel engines using Karanja biodiesel blended with diethyl carbonate

Bhavin Mehta, Abhishek Swarnkar, Dattatraya Subhedar (2025) · Results in Engineering

Open AccessDOI ↗PDF ↗

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Observation and Simulation of Transient Anion Oligomers (LiClO4)n- (n = 1-4) in Diethyl Carbonate LiClO4 Solutions.

et al. (2017)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Acid-base sites synergistic catalysis over Mg-Zr-Al mixed metal oxide toward synthesis of diethyl carbonate.

et al. (2018)

Cytowania: 17Open AccessDOI ↗PubMed ↗PDF ↗

Understanding the azeotropic diethyl carbonate-water mixture by structural and energetic characterization of DEC(H2O)(n) heteroclusters.

et al. (2015)

Cytowania: 2$ PaywallDOI ↗PubMed ↗

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A New Route for Preparation of Hydrophobic Silica Nanoparticles Using a Mixture of Poly(dimethylsiloxane) and Diethyl Carbonate.

et al. (2018)

Cytowania: 12Open AccessDOI ↗PubMed ↗PDF ↗

Product Yield Increasing More Than 20 Times Achieved by Reducing Water Poisoning for Direct Diethyl Carbonate Synthesis.

(2024)

$ PaywallDOI ↗PubMed ↗

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Phase Equilibria of Ternary and Quaternary Systems Containing Diethyl Carbonate with Water.

et al. (2014)

Open AccessDOI ↗PubMed ↗PDF ↗

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Diethyl Carbonate Synthesis from CO2, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported Ni-Cu@Na3PW12O40 and Mixed Ni-Cu@Na3PW12O40

(2020)

Open AccessDOI ↗PDF ↗

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Effect of Temperature and Alkali Solution to Activate Diethyl Carbonate for Improving Rheological Properties of Modified Hydroxyethyl Methyl Cellulose.

et al. (2024)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

Modified μ-QuEChERS coupled to diethyl carbonate-based liquid microextraction for PAHs determination in coffee, tea, and water prior to GC-MS analysis: An insight to reducing the impact of caffeine on the GC-MS measurement.

(2021)

Cytowania: 13$ PaywallDOI ↗PubMed ↗

Interfacial Reactions Between Graphite and Diethyl Carbonate Solutions Containing Different Concentrations of Li.

(2018)

$ PaywallDOI ↗PubMed ↗

Technology of preparing diethyl carbonate by urea alcoholysis method

et al. (2010)

$ Paywall

Sustainable Catalytic Synthesis of Diethyl Carbonate.

Putro WS, Ikeda A, Shigeyasu S et al. (2021) · ChemSusChem

Cytowania: 7$ PaywallDOI ↗PubMed ↗

Dane z PubMed (NIH NLM), OpenAlex (CC0), Semantic Scholar (AI2). AI Summary wygenerowane przez Semantic Scholar TLDR. Artykuły z ikoną wymagają płatnego dostępu.

同义词

DIETHYL CARBONATE · 105-58-8 · Ethyl carbonate · Carbonic acid diethyl ester · Eufin · Carbonic acid, diethyl ester · Diatol · Carbonic ether · Diaethylcarbonat · Diethylkarbonat · Ethyl carbonate ((EtO)2CO) · NCI-C60899 · Diethylester kyseliny uhlicite · 3UA92692HG · NSC-8849

数据来源

📊 PubChem CID 7766 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

在商店购买

Diethyl carbonate →