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Ethyl Methyl Carbonate？

Ethyl Methyl Carbonate 是一种化学品，CAS 登记号为 623-53-0。分子式: C4H8O3. 摩尔质量: 104.10 g/mol. IUPAC: ethyl methyl carbonate.

Ethyl Methyl Carbonate 的 CAS 号是多少？

Ethyl Methyl Carbonate 的 CAS 号为 623-53-0——化学文摘社 (CAS) 的唯一标识符。

Ethyl Methyl Carbonate 的分子式是什么？

分子式: C4H8O3. 摩尔质量: 104.10 g/mol. logP (XLogP3): 0.9. PSA: 35.5 Å².

Ethyl Methyl Carbonate 有哪些 GHS 危害？

根据 GHS 分类，Ethyl Methyl Carbonate 须标注以下危险说明： H225 (高度易燃液体和蒸气).

在哪里可以购买Ethyl Methyl Carbonate？

Ethyl Methyl Carbonate 在我们的商店有售。查看产品：https://epchems.online/products/ethyl-methyl-carbonate/

Ethyl Methyl Carbonate 的化学数据来自哪里？

Ethyl Methyl Carbonate 的化学数据来自权威来源：PubChem (NIH)。 PubChem CID: 522046. 符合 CLP 法规（EC 1272/2008），依据 CC-BY 4.0 许可提供。

Ethyl Methyl Carbonate

CAS 623-53-0 · C₄H₈O₃ · MW 104.10 g/mol

关于 Ethyl Methyl Carbonate

Ethyl Methyl Carbonate 是一种化学品，登记号为 CAS 623-53-0，分子式为 C₄H₈O₃，摩尔质量为 104.10 g/mol。

该分子包含 15 个原子，通过 14 个化学键连接。该化合物的完整系统 IUPAC 名称为 ethyl methyl 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 = 0.9 (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	C₄H₈O₃
Masa molowa	104.10 g/mol
IUPAC	ethyl methyl carbonate
SMILES	`CCOC(=O)OC`
InChIKey	`JBTWLSYIZRCDFO-UHFFFAOYSA-N`
logP (XLogP3)	0.9
PSA	35.5 Å²
HBD / HBA	0 / 3
PubChem CID	CID 522046 ↗

GHS 安全

Sygnał: Niebezpieczeństwo

GHS02

H225 — Wysoce łatwopalna ciecz i pary

科学文献

Literatura naukowa

20 artykułów · 8 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

Fine-Tuning Electron-Donor Capability in the Basic Anion of Poly(ionic liquid) Frameworks for Revolutionizing Catalytic Synthesis of Ethyl Methyl Carbonate with Both Ultrahigh Catalytic Activity and Selectivity.

et al. (2024)

Cytowania: 1$ PaywallDOI ↗PubMed ↗

Catalyst design for sustainable and directional ethyl methyl carbonate synthesis.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

Regulating the Lipophilicity of an Acid-Base Bifunctional Catalyst to Enhance the Performance of Catalytic Synthesis of Ethyl Methyl Carbonate.

et al. (2025)

$ PaywallDOI ↗PubMed ↗

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Solvation Effects on the Dielectric Constant of 1 M LiPF6 in Ethylene Carbonate: Ethyl Methyl Carbonate 3:7

Julian Self, Nathan T. Hahn, Kristin A. Persson (2020)

Open AccessDOI ↗PDF ↗

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Vapor Equilibrium Data for the Binary Mixtures of Dimethyl Carbonate and Ethyl Methyl Carbonate in Compressed Carbon Dioxide

Román-Ramírez, Luis A.; id_orcid, Shiva J. Jethwa, Luis A. Román-Ramírez et al. (2023) · Springer Science and Business Media LLC

Open AccessDOI ↗PDF ↗

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Three-Dimensional Ordered Porous SnO<sub>2</sub> Nanostructures Derived from Polystyrene Sphere Templates for Ethyl Methyl Carbonate Detection in Battery Safety Applications.

et al. (2025)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

Crucial Roles of Ethyl Methyl Carbonate in Lithium-Ion and Dual-Ion Batteries: A Review.

et al. (2024)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

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Effect of Preparation Method on the Catalytic Property of Calcined Ca-Al Hydrotalcite for the Synthesis of Ethyl Methyl Carbonate.

(2021)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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Heat Capacity of Ethylene Carbonate and Ethyl Methyl Carbonate for the Liquid Phase at Elevated Temperatures

Philipp Finster, Judith Jung, Magnus Rohde et al. (2024)

Open AccessDOI ↗PDF ↗

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Experimental and Numerical Study of the Impact of Pressure During the Pyrolysis of Diethyl Carbonate and Ethyl Methyl Carbonate

Claire M. Grégoire, Eric L. Petersen, Olivier Mathieu (2025) · Batteries

Open AccessDOI ↗PDF ↗

Nitrogen-doped carbon supported ZnO as highly stable heterogeneous catalysts for transesterification synthesis of ethyl methyl carbonate.

et al. (2021)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

Isobaric Vapor-Liquid Equilibrium for Binary Systems of Ethyl Methyl Carbonate (and Diethyl Carbonate) + Ethyl Propionate, + Methyl Propionate at 101.3 kPa

Young Min Cho, Dong June Ahn (2025) · Korean Journal of Chemical Engineering

$ PaywallDOI ↗

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Atmospheric Oxidation of Ethyl Methyl Carbonate: Kinetics and Reaction Mechanism

Guido Noe Rimondino, Jesús Alaberto Vila, Fabio Ernesto Malanca (2023)

Open AccessDOI ↗PDF ↗

LiPF6 and lithium difluoro(oxalato)borate/ethylene carbonate + dimethyl carbonate + ethyl(methyl)carbonate electrolyte for Li4Ti5O12 anode

Hongming Zhou, Zhenqi Fang, Jian Li (2013) · Journal of Power Sources

Cytowania: 32$ PaywallDOI ↗

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Effect of Sodium Chloride as Electrolyte Additive on the Performance of Mesocarbon Microbeads Electrode

Borong Wu, Yonghuan Ren, Daobin Mu et al. (2013) · International Journal of Electrochemical Science

Open AccessDOI ↗PDF ↗

Ethylene Carbonate-Free Electrolytes Based on Ethyl Methyl Carbonate for High-Voltage LiCoO2/Si-Graphite Lithium-Ion Batteries

$ PaywallDOI ↗

Anion Storage Behavior of Graphite Electrodes in LiBF4/Sulfone/Ethyl Methyl Carbonate Solutions

$ PaywallDOI ↗

Unlocking the True Capability of Graphite-Based Dual-Ion Batteries with Ethyl Methyl Carbonate Electrolyte

$ PaywallDOI ↗

Synergetic Effect of Ethyl Methyl Carbonate and Trimethyl Phosphate on BF4 Intercalation into a Graphite Electrode

$ PaywallDOI ↗

Regulating the Lipophilicity of an AcidBase Bifunctional Catalyst to Enhance the Performance of Catalytic Synthesis of Ethyl Methyl Carbonate

$ PaywallDOI ↗

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

Ethyl methyl carbonate · 623-53-0 · Carbonic acid, ethyl methyl ester · Ester solvent · Methyl Ethyl Carbonate · Ethoxyacetic acid, methyl ester · methylethylcarbonate · UNII-OU358HAE25 · OU358HAE25 · C2H5OCOOCH3 · Carbonic acid, ethyl-, methyl ester · ETHYL METHYL CARBONTE · RefChem:138988 · DTXCID9043304 · 433-480-9

数据来源

📊 PubChem CID 522046 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

在商店购买

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