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.

什么是琥珀酸？

琥珀酸是一种化学品，CAS 登记号为 110-15-6。分子式: C4H6O4. 摩尔质量: 118.09 g/mol. IUPAC: butanedioic acid.

琥珀酸的 CAS 号是多少？

琥珀酸的 CAS 号为 110-15-6——化学文摘社 (CAS) 的唯一标识符。

琥珀酸的分子式是什么？

分子式: C4H6O4. 摩尔质量: 118.09 g/mol. logP (XLogP3): -0.6. PSA: 74.6 Å².

琥珀酸有哪些 GHS 危害？

根据 GHS 分类，琥珀酸须标注以下危险说明： H318 (造成严重眼损伤).

在哪里可以购买琥珀酸？

琥珀酸在我们的商店有售。查看产品：https://epchems.online/products/succinic-acid/

琥珀酸的化学数据来自哪里？

琥珀酸的化学数据来自权威来源：PubChem (NIH), ChEMBL (EBI)。 PubChem CID: 1110. 符合 CLP 法规（EC 1272/2008），依据 CC-BY 4.0 许可提供。

琥珀酸

CAS 110-15-6 · C₄H₆O₄ · MW 118.09 g/mol

关于琥珀酸

琥珀酸 是一种化学品，登记号为 CAS 110-15-6，分子式为 C₄H₆O₄，摩尔质量为 118.09 g/mol。

该分子包含 14 个原子，通过 13 个化学键连接。该化合物的完整系统 IUPAC 名称为 butanedioic acid。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 = -0.6 (负值，亲水性化合物)，极性表面积 PSA = 74.6 Å²，2 个氢键供体和 4 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	C₄H₆O₄
Masa molowa	118.09 g/mol
IUPAC	butanedioic acid
SMILES	`C(CC(=O)O)C(=O)O`
InChIKey	`KDYFGRWQOYBRFD-UHFFFAOYSA-N`
logP (XLogP3)	-0.6
PSA	74.6 Å²
HBD / HBA	2 / 4
PubChem CID	CID 1110 ↗

GHS 安全

Sygnał: Niebezpieczeństwo

GHS05

H318 — Powoduje poważne uszkodzenie oczu

科学文献

Literatura naukowa

20 artykułów · 3 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Efficient structure elucidation and investigation on the antibacterial activity of Carbamide-Butanedioic Acid: DFT perspectives.

et al. (2025)

Open AccessDOI ↗PubMed ↗PDF ↗

Electro-Stimulated Dual-Species Catalysis Enables CO<sub>2</sub> Fixation Toward Selective 1,4-Butanedioic Acid Biosynthesis.

(2025)

Cytowania: 1$ PaywallDOI ↗PubMed ↗

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Glycogen phosphorylase inhibitor, 2,3-bis[(2E)-3-(4-hydroxyphenyl)prop-2-enamido] butanedioic acid (BF142), improves baseline insulin secretion of MIN6 insulinoma cells.

et al. (2020)

Cytowania: 5Open AccessDOI ↗PubMed ↗PDF ↗

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Exploring Synthesis and Characterization of Bioactive Molecule Carbamide Butanedioic Acid – a Dft Approach

S.K.Amjath Kudos, S. Madhan Kumar, Binisha B et al. (2024)

Open AccessDOI ↗PDF ↗

Study of urinary 2-{[2-(acetylamino-2-carboxyethyl]sulfanyl}butanedioic acid, a mercapturic acid of rats treated with maleic acid.

et al. (2015)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

Crystallographic Data. 78. Succinic Acid I (Butanedioic Acid)

W. C. McCrone, Ralph. Hites (1954) · Analytical Chemistry

Cytowania: 10$ PaywallDOI ↗

Acute Inhalation Toxicity of Butanedioic Acid: A Study in Rats

Yong-Soon Kim Yong-Soon Kim, Dae-Sik Rha Dae-Sik Rha (2024) · The Korean Society for Veterinary Nursing

$ PaywallDOI ↗

Method for producing butanol and butanedioic acid by fermentation

et al. (2008)

$ Paywall

Butanedioic Acid

(2011) · Encyclopedia of Astrobiology

$ PaywallDOI ↗

Butanedioic Acid

(2023) · Encyclopedia of Astrobiology

$ PaywallDOI ↗

Butanedioic Acid

(2015) · Encyclopedia of Astrobiology

$ PaywallDOI ↗

Butanedioic Acid, Mono(2‐(2‐(Acetylthio)Ethyl)‐2,3‐Dihydro‐4,6,7‐Trimethyl‐5‐Benzofuranyl) Ester 134867‐62‐2

(2012) · Sax's Dangerous Properties of Industrial Materials

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Diffusion coefficient of butanedioic acid into urea and water

Jochen Winkelmann (2018) · Diffusion in Gases, Liquids and Electrolytes

$ PaywallDOI ↗

Amphiphilic Biobased Polyesters from 1,4-Butanedioic Acid and 3Allyloxy-1,2-Propanediol Carrying Carboxyl Side Groups

$ PaywallDOI ↗

Succinic Acid Ameliorates Concanavalin A-Induced Hepatitis by Altering the Inflammatory Microenvironment and Expression of BCL-2 Family Proteins.

Cai Y, Chen Z, Chen E et al. (2024) · Inflammation

$ PaywallDOI ↗PubMed ↗

Curcumenol regulates Histone H3K27me3 demethylases KDM6B affecting Succinic acid metabolism to alleviate cartilage degeneration in knee osteoarthritis.

Chen W, Xiao J, Zhou Y et al. (2024) · Phytomedicine : international journal of phytotherapy and phytopharmacology

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Succinic Acid

(2017) · ACS Reagent Chemicals

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Succinic Acid

(2017) · ACS Reagent Chemicals

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Succinic Acid

(2017) · ACS Reagent Chemicals

$ PaywallDOI ↗

Succinic Acid

(2017) · ACS Reagent Chemicals

$ 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

succinic acid · butanedioic acid · 110-15-6 · Amber acid · Asuccin · Wormwood acid · Dihydrofumaric acid · Katasuccin · Bernsteinsaure · 1,2-Ethanedicarboxylic acid · ethylenesuccinic acid · 1,4-Butanedioic acid · Succinicum acidum · Butandisaeure · Acidum succinicum

数据来源

📊 PubChem CID 1110 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

在商店购买

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