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.

Co to jest Kwas benzoesowy?

Kwas benzoesowy to związek chemiczny zarejestrowany pod numerem CAS 65-85-0. Wzór sumaryczny: C7H6O2. Masa molowa: 122.12 g/mol. IUPAC: benzoic acid.

Jaki jest numer CAS Kwas benzoesowy?

Numer CAS dla Kwas benzoesowy to 65-85-0 — unikalny identyfikator Chemical Abstracts Service (CAS).

Jaki jest wzór sumaryczny Kwas benzoesowy?

Wzór sumaryczny: C7H6O2. Masa molowa: 122.12 g/mol. logP (XLogP3): 1.9. PSA: 37.3 Å².

Gdzie można kupić Kwas benzoesowy?

Kwas benzoesowy jest dostępny w naszym sklepie. Zobacz produkt: https://epchems.online/products/benzoic-acid/

Skąd pochodzą dane chemiczne dla Kwas benzoesowy?

Dane chemiczne dla Kwas benzoesowy pochodzą z autorytatywnych źródeł: PubChem (NIH), ChEMBL (EBI). PubChem CID: 243. Zgodne z Rozporządzeniem CLP (WE 1272/2008), dostępne na licencji CC-BY 4.0.

Kwas benzoesowy

CAS 65-85-0 · C₇H₆O₂ · MW 122.12 g/mol

O związku Kwas benzoesowy

Benzoic acid to związek chemiczny zarejestrowany pod numerem CAS 65-85-0 o wzorze sumarycznym C₇H₆O₂ i masie molowej 122.12 g/mol.

Cząsteczka zawiera 15 atomów połączonych 15 wiązaniami chemicznymi. Pełna nazwa systematyczna IUPAC dla tego związku to benzoic acid. Powyższy interaktywny model 3D pozwala obejrzeć układ przestrzenny atomów — można go obracać myszką, powiększać scrollem oraz przełączać między trybami wizualizacji szkieletowy / Ball & Stick / Space Fill.

Pod względem właściwości fizykochemicznych współczynnik podziału logP = 1.9 (wartość dodatnia, związek lipofilowy), powierzchnia polarna PSA = 37.3 Å², 1 donorów i 2 akceptorów wiązań wodorowych. Te parametry są kluczowe przy ocenie biodostępności i interakcji z biomolekułami.

Dane chemiczne dla tego związku pochodzą z PubChem (NIH NLM NCBI), jednej z największych baz związków chemicznych na świecie. Wszystkie informacje są aktualizowane automatycznie i wzbogacone o tłumaczenia zwrotów GHS zgodne z Rozporządzeniem CLP (1272/2008/WE). Powyższy widget można używać do celów edukacyjnych, badawczych i komercyjnych.

Właściwości fizykochemiczne

Wzór sumaryczny	C₇H₆O₂
Masa molowa	122.12 g/mol
IUPAC	benzoic acid
SMILES	`C1=CC=C(C=C1)C(=O)O`
InChIKey	`WPYMKLBDIGXBTP-UHFFFAOYSA-N`
logP (XLogP3)	1.9
PSA	37.3 Å²
HBD / HBA	1 / 2
PubChem CID	CID 243 ↗

Bezpieczeństwo GHS

Sygnał: Niebezpieczeństwo

GHS05

GHS07

GHS08

H372 — Powoduje uszkodzenie narządów poprzez długotrwałe lub powtarzane narażenie

H315 — Działa drażniąco na skórę

H318 — Powoduje poważne uszkodzenie oczu

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.

🔓

Investigating the electronic properties of graphene oxide functionalized with benzoic acid.

(2025)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

RIFM fragrance ingredient safety assessment, benzoic acid, CAS Registry Number 65-85-0.

Api AM, Belsito D, Botelho D et al. (2022) · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

$ PaywallDOI ↗PubMed ↗

🔓

Development of G-Ag and C-Ag Nanoparticle-Based Biosensor for Benzoic Acid Detection.

et al. (2025)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Hydrazone-schiff base derivatives of 4-(tert-butyl)benzoic acid as potent enzyme inhibitors: In vitro α-amylase, α-glucosidase, tyrosinase inhibition and computational studies.

et al. (2026)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Unveiling the correlations between benzoic acid content, key microbial genera, and metabolites during the storage and transportation of raw yak milk based on multi-omics analysis.

et al. (2026)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Green Synthesis, Characterization, and the Prediction of Its Thermochemical Properties of the Isomers 3,4- and 3,5-Bis(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)benzoic Acid.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Synthesis, structural characterization, DFT calculation, and antitumor activity of a new Co(II) complex based on 2-((2'-Carboxybenzyl)oxy)benzoic acid and 2,2'-bipyridine ligands.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Synergistic Adsorption by Easily Retrievable Magnetic MOF Composites for Enhanced Removal of Benzoic Acid from Water.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Electric-field tuning of fractal crystallization in gelatin-based benzoic acid reaction-diffusion systems.

(2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Effects of replacing soybean meal with cotton protein and benzoic acid supplementation on intestinal morphology, ileal microbiota, and metabolomics in young pigeons.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

A one-pot, enantioselective allylic oxidation of cycloolefins: a novel benzoic acid/TBHP system catalyzed by Cu-complexed SBA-15-immobilized chiral aniline oxazoline ligands.

(2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Metabolic responses to benzoic acid stress and glutamine transport-dependent vulnerabilities in Escherichia coli revealed by NMR metabolomics.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

<i>Para</i>-substituted benzoic acid ruthenium(ii) complexes: structural features modulating cytotoxicity.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Analytical investigation of benzoic acid as a preservative agent in local and imported poultry products in Iraq.

(2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Spectrophotometric determination of benzoic acid in spiked greenhouse vegetables using green supramolecular solvent microextraction.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Electronic Structure and Intermolecular Interactions of the Benzoic Acid–Ethanol Complex: Raman Spectroscopy, DFT, and Molecular Docking Analysis

Abduvakhid Jumabaev, Hakim Hushvaktov, Ahmad Absanov et al. (2026) · East European Journal of Physics

Open AccessDOI ↗PDF ↗

Dielectric Relations of Nematic 4‐n‐Heptylamino benzoic Acid in Mixtures with 4‐Cyano benzoic Acid and 4‐Fluoro benzoic Acid

H. Kresse, N. K. Sharma, W. Weissflog (1981) · Kristall und Technik

Cytowania: 16$ PaywallDOI ↗

🔓

Synthesis, In Silico, and Biological Evaluation of Non-Hydroxamate Benzoic Acid-Based Derivatives as Potential Histone Deacetylase Inhibitors (HDACi).

et al. (2025)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Interaction of benzoic acid, aspirin and para-hydroxy benzoic acid with dipalmitoyl phosphatidic acid vesicles

Lata Panicker (2006) · Thermochimica Acta

Cytowania: 5$ PaywallDOI ↗

🔓

Benzoic acid facilitates ANF in monocot crops by recruiting nitrogen-fixing Paraburkholderia.

Liu R, Li R, Li Y et al. (2024) · The ISME journal

Open AccessDOI ↗PubMed ↗PDF ↗

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

Synonimy

benzoic acid · 65-85-0 · Dracylic acid · benzenecarboxylic acid · Benzeneformic acid · Carboxybenzene · phenylformic acid · Benzenemethanoic acid · Phenylcarboxylic acid · Retardex · Retarder BA · Tenn-Plas · Salvo liquid · Benzoesaeure GK · Benzoesaeure GV

Data sources

📊 PubChem CID 243 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Kup w sklepie

Benzoic acid →

Powiązane molekuły

1-Hexanol CAS 111-27-3 · C6H14O Dimethyl carbonate CAS 616-38-6 · C3H6O3 Acetone CAS 67-64-1 · C3H6O L-Cysteine CAS 52-90-4 · C3H7NO2S Triethylene glycol CAS 112-27-6 · C6H14O4 Acetic acid CAS 64-19-7 · C₂H₄O₂