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.

Acetamide is een chemische verbinding, geregistreerd onder CAS-nummer 60-35-5. Brutoformule: C2H5NO. Molaire massa: 59.07 g/mol. IUPAC: acetamide.

Wat is het CAS-nummer van Acetamide?

Het CAS-nummer van Acetamide is 60-35-5 — een unieke identificatie van de Chemical Abstracts Service (CAS).

Wat is de brutoformule van Acetamide?

Brutoformule: C2H5NO. Molaire massa: 59.07 g/mol. logP (XLogP3): -0.9. PSA: 43.1 Å².

Wat zijn de GHS-gevaren van Acetamide?

Volgens de GHS-classificatie moet Acetamide worden voorzien van de volgende gevarenaanduidingen: H351 (Verdacht van het veroorzaken van kanker.).

Waar kan ik Acetamide kopen?

Acetamide is verkrijgbaar in onze winkel. Bekijk het product: https://epchems.online/products/acetamide/

Waar komen de chemische gegevens voor Acetamide vandaan?

De chemische gegevens voor Acetamide zijn afkomstig van gezaghebbende bronnen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 178. Conform de CLP-verordening (EG 1272/2008), beschikbaar onder de CC-BY 4.0-licentie.

Acetamide

CAS 60-35-5 · C₂H₅NO · MW 59.07 g/mol

Over Acetamide

Acetamide is een chemische verbinding, geregistreerd onder nummer CAS 60-35-5, met de brutoformule C₂H₅NO, en een molaire massa van 59.07 g/mol.

Het molecuul bevat 9 atomen verbonden door 8 chemische bindingen. De volledige systematische IUPAC-naam van deze verbinding is acetamide. 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 = -0.9 (negatieve waarde, hydrofiele verbinding), polair oppervlak PSA = 43.1 Å², 1 donoren en 1 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	C₂H₅NO
Masa molowa	59.07 g/mol
IUPAC	acetamide
SMILES	`CC(=O)N`
InChIKey	`DLFVBJFMPXGRIB-UHFFFAOYSA-N`
logP (XLogP3)	-0.9
PSA	43.1 Å²
HBD / HBA	1 / 1
PubChem CID	CID 178 ↗

GHS-veiligheid

Sygnał: Uwaga

GHS08

H351 — Podejrzewa się, że powoduje raka

Wetenschappelijke literatuur

Literatura naukowa

20 artykułów · 17 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

Acetamide 60-35-5

(2012) · Wiley

$ PaywallDOI ↗

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Coupling nitrate electrochemical reduction and nitrite oxidation of ethanol for acetamide synthesis.

et al. (2025)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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1,2,4-Triazole-Acetamide Conjugates as hEGFR Inhibitors: Synthesis, Anticancer Evaluation, and In Silico Studies.

et al. (2026)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Asymmetric Mannich Reaction of α-(2-Nitrophenylsulfenyl)imino Acetamide: A Cyclization-Driven Process.

et al. (2026)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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New 5,6-diphenyl-1,2,4-triazine-hydrazineylidene-phenoxy-1,2,3-triazole-acetamide derivatives as potent synthetic α-glucosidase inhibitors.

et al. (2025)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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FDA approved drug containing acetamide group- a mini review.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Unveiling acetamide coupled benzothiazole hydrazones as potential anti-proliferative agents: an experimental and computational approach.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Rational design and synthesis of new acetamide-indole-benzo[d]imidazole-carboxylic acid hybrids as dual PTP1B/α-glucosidase inhibitors.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Novel diazene-tri(phenoxy-1,2,3-triazole-acetamide) derivatives as potent α-glucosidase inhibitors: synthesis, biological evaluation, and in silico studies.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Spectroscopic characterization and DFT-based structural analysis of a novel sulfonyl-acetamide imidazole derivative with multi-target protein docking studies.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Acute fluoroacetamide poisoning with reversible leukoencephalopathy: A case report and literature review highlighting the effectiveness of acetamide and the diagnostic value of neuroimaging.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Comparative quantum-chemical investigation of 2-chloro-N-(4-methoxyphenyl)acetamide and 2-(4-methoxyphenylamino)-2-oxoethyl meth/acrylate: DFT, TD-DFT, and non-covalent interaction analyses.

(2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Identification of a novel link connecting indole-3-acetamide with abscisic acid biosynthesis and signaling.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Design, one-pot synthesis, biological profiling, and in silico studies of some heterocycles featuring 4-phenoxy-4-substitutedbenzene-N-acetamide as an α-glucosidase inhibitor.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Synthesis, crystal structure and Hirshfeld surface analysis of 2-(2,5-dioxo-4,4-di-phenyl-imidazolidin-1-yl)-N-(4-fluoro-phen-yl)acetamide (phenytoin analog).

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Design, synthesis, in vitro, and in silico assays of new 4-phenylpiperazine-coumarin-triazole-acetamide hybrids as potent tyrosinase inhibitors

Mohammad Mahdi Aghanour Ashtiani, Somaye Karimian, Aida Iraji et al. (2026) · European Journal of Medicinal Chemistry Reports

Open AccessDOI ↗PDF ↗

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Single-run determination of the saturation vapor pressure and enthalpy of vaporization/sublimation of a substance undergoing successive solid-solid and solid-liquid phase transitions: the case of $N$-methyl acetamide

Mohsen Salimi, Aurelien Dantan, Henrik B. Pedersen (2026) · arXiv (2602.02504v1)

Open AccessDOI ↗PDF ↗

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Flufenamic acid-based sulfonohydrazide and acetamide derivatives NSAI as inhibitors of multi-targets COX-1/COX-2/5-LOX: design, synthesis, in silico ADMET and binding mode studies.

et al. (2025)

Cytowania: 4Open AccessDOI ↗PubMed ↗PDF ↗

Structural Studies and Synthesis of a New 2-(1-Methyl-3-(o-tolyl)ureido)-N-(o-tolyl)acetamide: Binding Interaction With Bovine Gamma Globulin and DFT Investigation.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

Acetamide 60-35-5

(2004) · Wiley

$ 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

acetamide · 60-35-5 · Ethanamide · Acetic acid amide · Methanecarboxamide · Acetimidic acid · Ethanimidic acid · Amid kyseliny octove · NCI-C02108 · CH3CONH2 · AI3-02060 · 8XOE1JSO29 · NSC 25945 · NSC-25945 · DTXCID505

Gegevensbronnen

📊 PubChem CID 178 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Kopen in de winkel

Acetamide →

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