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.

Wat is Barnsteenzuur?

Barnsteenzuur is een chemische verbinding, geregistreerd onder CAS-nummer 110-15-6. Brutoformule: C4H6O4. Molaire massa: 118.09 g/mol. IUPAC: butanedioic acid.

Wat is het CAS-nummer van Barnsteenzuur?

Het CAS-nummer van Barnsteenzuur is 110-15-6 — een unieke identificatie van de Chemical Abstracts Service (CAS).

Wat is de brutoformule van Barnsteenzuur?

Brutoformule: C4H6O4. Molaire massa: 118.09 g/mol. logP (XLogP3): -0.6. PSA: 74.6 Å².

Wat zijn de GHS-gevaren van Barnsteenzuur?

Volgens de GHS-classificatie moet Barnsteenzuur worden voorzien van de volgende gevarenaanduidingen: H318 (Veroorzaakt ernstig oogletsel.).

Waar kan ik Barnsteenzuur kopen?

Barnsteenzuur is verkrijgbaar in onze winkel. Bekijk het product: https://epchems.online/products/succinic-acid/

Waar komen de chemische gegevens voor Barnsteenzuur vandaan?

De chemische gegevens voor Barnsteenzuur zijn afkomstig van gezaghebbende bronnen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 1110. Conform de CLP-verordening (EG 1272/2008), beschikbaar onder de CC-BY 4.0-licentie.

Barnsteenzuur

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

Over Barnsteenzuur

Barnsteenzuur is een chemische verbinding, geregistreerd onder nummer CAS 110-15-6, met de brutoformule C₄H₆O₄, en een molaire massa van 118.09 g/mol.

Het molecuul bevat 14 atomen verbonden door 13 chemische bindingen. De volledige systematische IUPAC-naam van deze verbinding is butanedioic acid. Het interactieve 3D-model hierboven toont de ruimtelijke rangschikking van de atomen — u kunt het met de muis draaien, met het scrollwiel inzoomen en schakelen tussen de weergavemodi skelet / Ball & Stick / Space Fill.

Wat de fysisch-chemische eigenschappen betreft, de verdelingscoëfficiënt logP = -0.6 (negatieve waarde, hydrofiele verbinding), polair oppervlak PSA = 74.6 Å², 2 donoren en 4 waterstofbrugacceptoren. Deze parameters zijn cruciaal bij de beoordeling van de biobeschikbaarheid en de interactie met biomoleculen.

De chemische gegevens voor deze verbinding zijn afkomstig van PubChem (NIH NLM NCBI), een van de grootste chemische databanken ter wereld. Alle informatie wordt automatisch bijgewerkt en verrijkt met vertalingen van GHS-gevarenaanduidingen conform de CLP-verordening (EG 1272/2008). De bovenstaande widget mag worden gebruikt voor educatieve, onderzoeks- en commerciële doeleinden.

Fysisch-chemische eigenschappen

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-veiligheid

Sygnał: Niebezpieczeństwo

GHS05

H318 — Powoduje poważne uszkodzenie oczu

Wetenschappelijke literatuur

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 ↗

🔓

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

$ PaywallDOI ↗

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

$ PaywallDOI ↗PubMed ↗

Succinic Acid

(2017) · ACS Reagent Chemicals

$ PaywallDOI ↗

Succinic Acid

(2017) · ACS Reagent Chemicals

$ PaywallDOI ↗

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.

Synoniemen

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

Gegevensbronnen

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

Kopen in de winkel

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