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.

Che cos'è Benzoato di sodio?

Benzoato di sodio è un composto chimico registrato con il numero CAS 532-32-1. Formula bruta: C₇H₅NaO₂. Massa molare: 144.10 g/mol. IUPAC: sodium benzoate.

Qual è il numero CAS di Benzoato di sodio?

Il numero CAS di Benzoato di sodio è 532-32-1 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Benzoato di sodio?

Formula bruta: C₇H₅NaO₂. Massa molare: 144.10 g/mol. PSA: 40.1 Å².

Quali sono i pericoli GHS di Benzoato di sodio?

Secondo la classificazione GHS, Benzoato di sodio deve riportare le seguenti indicazioni di pericolo: H319 (Provoca grave irritazione oculare.).

Dove acquistare Benzoato di sodio?

Benzoato di sodio è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/sodium-benzoate/

Da dove provengono i dati chimici di Benzoato di sodio?

I dati chimici di Benzoato di sodio provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 517055. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Benzoato di sodio

CAS 532-32-1 · C₇H₅NaO₂ · MW 144.10 g/mol

Informazioni su Benzoato di sodio

Benzoato di sodio è un composto chimico registrato con il numero CAS 532-32-1, con formula bruta C₇H₅NaO₂, e massa molare di 144.10 g/mol.

La molecola contiene 15 atomi collegati da 15 legami chimici. Il nome sistematico IUPAC completo di questo composto è sodium benzoate. Il modello 3D interattivo qui sopra permette di visualizzare la disposizione spaziale degli atomi — puoi ruotarlo con il mouse, zoomare con la rotellina e passare tra le modalità di visualizzazione scheletro / Ball & Stick / Space Fill.

Dal punto di vista delle proprietà chimico-fisiche, superficie polare PSA = 40.1 Å², 0 donatori e 2 accettori di legami a idrogeno. Questi parametri sono fondamentali per valutare la biodisponibilità e l'interazione con le biomolecole.

I dati chimici di questo composto provengono da PubChem (NIH NLM NCBI), uno dei più grandi database chimici al mondo. Tutte le informazioni sono aggiornate automaticamente e arricchite con le traduzioni delle indicazioni di pericolo GHS conformi al Regolamento CLP (CE 1272/2008). Il widget qui sopra può essere utilizzato per scopi educativi, di ricerca e commerciali.

Proprietà chimico-fisiche

Wzór sumaryczny	C₇H₅NaO₂
Masa molowa	144.10 g/mol
IUPAC	sodium benzoate
SMILES	`C1=CC=C(C=C1)C(=O)[O-].[Na+]`
InChIKey	`WXMKPNITSTVMEF-UHFFFAOYSA-M`
logP (XLogP3)	—
PSA	40.1 Å²
HBD / HBA	0 / 2
PubChem CID	CID 517055 ↗

Sicurezza GHS

Sygnał: Uwaga

GHS07

H319 — Działa drażniąco na oczy

Letteratura scientifica

Literatura naukowa

20 artykułów · 13 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Binding interaction of sodium benzoate, potassium sorbate and sodium dihydrogen citrate with BSA as food preservatives: in Vitro analysis and computational studies.

et al. (2024)

Cytowania: 4Open AccessDOI ↗PubMed ↗PDF ↗

RIFM fragrance ingredient safety assessment, sodium benzoate, CAS Registry Number 532-32-1.

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 ↗

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Trans-generational effect of sodium benzoate on development and gut microbiota of Drosophila melanogaster.

et al. (2026)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Sodium benzoate induces cardiotoxicity by suppressing the PI3K/AKT/GSK3β signaling axis: An integrated network toxicology and experimental study.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Innovative sodium benzoate-modified hydroxyapatite for enhanced dye removal using a combined experimental and DFT approach.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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An eco-friendly HPLC method for simultaneous analysis of sildenafil and sodium benzoate in pulmonary arterial hypertension suspension dosage monitoring.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Parental sodium benzoate diet induces fat accumulation in offspring via histone H3K9me3 and SKN-1/Nrf2.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Sodium benzoate exposure from juvenile to peripubertal period disrupts HPG-axis in both male and female rats.

et al. (2025)

Open AccessDOI ↗PubMed ↗PDF ↗

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Arrhenius-based shelf-life prediction of lombok terong (Capsicum) sambal with sodium benzoate and potassium sorbate combination

Eileen Fiona Wijaya, Fransisca Romana Titis Suniati, Oki Krisbianto et al. (2026) · Agrointek

Open AccessDOI ↗PDF ↗

Stability Study of a 100 mg/mL Sodium Benzoate Solution in Water for Parenteral Use.

et al. (2026)

$ PaywallPubMed ↗

Insights into membrane disruption and oxidative stress in Gram-positive and Gram-negative bacteria: role of sodium benzoate and phenoxyethanol.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

Sodium benzoate induces reproductive toxicity via hormonal disruption, ovarian damage and altering kisspeptin/RFRP-3 expression.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

Protective Role of Atriplex halimus L. Against Sodium Benzoate-Induced Fat Benzene Accumulation, Bone Marrow and Liver Alterations in Wistar Rats.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

Replacing sodium benzoate for hexamine in sodium nitrite-based additives on the conservation of guinea grass silage

et al. (2026)

$ Paywall

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Probiotics derived sodium benzoate improves social behavior of offspring exposed in the maternal immune activation through regulation of histone lysine benzoylation in astrocytes.

Li T, Chen J, Mi K et al. (2025) · Molecular psychiatry

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

SODIUM BENZOATE-MEDIATED CYTOTOXICITY IN MAMMALIAN CELLS

HYE-WON PARK, EDWIN H. PARK, HYUNG-MUN YUN et al. (2011) · Journal of Food Biochemistry

Cytowania: 17$ PaywallDOI ↗

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Sodium Benzoate, Potassium Sorbate, and Citric Acid Food Preservatives Trigger Apoptosis in the Male Reproductive System of Rats.

et al. (2025)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

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Sodium Benzoate and Potassium Sorbate Inhibit Proteolysis and Promote Lipid Oxidation in Atlantic Herring Marinades Produced on an Industrial Scale.

et al. (2025)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Synthetic Food Preservatives Modulate Apoptotic Gene Expression in HepG2 Cells: Divergent Effects of Sodium Benzoate, Potassium Sorbate, and Sodium Metabisulfite.

et al. (2025)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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A validated stability‐indicating reversed‐phase‐UPLC method for simultaneous estimation of promethazine hydrochloride, methylparaben, propylparaben and sodium benzoate assay of cough suppressant and antihistamine liquid oral dosage forms.

Pippalla S, Nekkalapudi AR, Komreddy VR (2024) · Biomedical chromatography : BMC

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.

Sinonimi

sodium benzoate · 532-32-1 · Sobenate · Antimol · Benzoic acid, sodium salt · sodium;benzoate · Benzoate sodium · Benzoate of soda · Benzoate, sodium · Natrium benzoicum · FEMA No. 3025 · Fuminaru · Benzoan sodny · Microcare sb · PUROX S

Fonti dei dati

📊 PubChem CID 517055 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Sodium Benzoate →

Molecole correlate

L-Phenylalanine CAS 63-91-2 · C9H11NO2 Trichloroethylene CAS 127-18-4 · C2Cl4 Acetic acid CAS 64-19-7 · C₂H₄O₂ Glycerol CAS 56-81-5 · C3H8O3 L-Cysteine CAS 52-90-4 · C3H7NO2S Trichloroethylene CAS 79-01-6 · C2HCl3