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 Alcol benzilico?

Alcol benzilico è un composto chimico registrato con il numero CAS 100-51-6. Formula bruta: C7H8O. Massa molare: 108.14 g/mol. IUPAC: phenylmethanol.

Qual è il numero CAS di Alcol benzilico?

Il numero CAS di Alcol benzilico è 100-51-6 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Alcol benzilico?

Formula bruta: C7H8O. Massa molare: 108.14 g/mol. logP (XLogP3): 1.1. PSA: 20.2 Å².

Quali sono i pericoli GHS di Alcol benzilico?

Secondo la classificazione GHS, Alcol benzilico deve riportare le seguenti indicazioni di pericolo: H302 (Nocivo se ingerito.), H319 (Provoca grave irritazione oculare.), H317 (Può provocare una reazione allergica cutanea.).

Dove acquistare Alcol benzilico?

Alcol benzilico è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/benzyl-alcohol/

Da dove provengono i dati chimici di Alcol benzilico?

I dati chimici di Alcol benzilico provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 244. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Alcol benzilico

CAS 100-51-6 · C₇H₈O · MW 108.14 g/mol

Informazioni su Alcol benzilico

Alcol benzilico è un composto chimico registrato con il numero CAS 100-51-6, con formula bruta C₇H₈O, e massa molare di 108.14 g/mol.

La molecola contiene 16 atomi collegati da 16 legami chimici. Il nome sistematico IUPAC completo di questo composto è phenylmethanol. 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, il coefficiente di ripartizione logP = 1.1 (valore positivo, composto lipofilo), superficie polare PSA = 20.2 Å², 1 donatori e 1 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	C₇H₈O
Masa molowa	108.14 g/mol
IUPAC	phenylmethanol
SMILES	`C1=CC=C(C=C1)CO`
InChIKey	`WVDDGKGOMKODPV-UHFFFAOYSA-N`
logP (XLogP3)	1.1
PSA	20.2 Å²
HBD / HBA	1 / 1
PubChem CID	CID 244 ↗

Sicurezza GHS

Sygnał: Uwaga

GHS07

H302 — Działa szkodliwie po połknięciu

H319 — Działa drażniąco na oczy

H317 — Może powodować reakcję alergiczną skóry

Letteratura scientifica

Literatura naukowa

20 artykułów · 6 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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The introduction of the Barbier reaction into polymer chemistry

Xiao-Li Sun, Dong-Ming Liu, Di Tian et al. (2017) · Nature Communications

Cytowania: 64Open AccessDOI ↗PDF ↗

Functionalized Bis(triazolyl)phenylmethanol–palladium(II) Catalysts for Cross Coupling Reactions in Water

Supanan Ampawa, Chanin Kethong, Jiraya Kiriratnikom et al. (2018) · ChemistrySelect

Cytowania: 4$ PaywallDOI ↗

Synthesis of 1,4-benzodioxepines via electrochemical oxyselenenylation of 2-O-tethered alkenyl phenylmethanol and diselenides.

et al. (2024)

Cytowania: 1$ PaywallDOI ↗PubMed ↗

RIFM fragrance ingredient safety assessment, Benzyl alcohol, CAS Registry Number 100-51-6.

et al. (2015)

Cytowania: 7$ PaywallDOI ↗PubMed ↗

A Dual-Functional Luminescent MOF Sensor for Phenylmethanol Molecule and Tb3+ Cation.

et al. (2018)

Cytowania: 12$ PaywallDOI ↗PubMed ↗

Dual reaction channels for photocatalytic oxidation of phenylmethanol on anatase

Ye-Fei Li, Zhi-Pan Liu (2013) · Phys. Chem. Chem. Phys.

Cytowania: 11$ PaywallDOI ↗

NTP Toxicology and Carcinogenesis Studies of Benzyl Alcohol (CAS No. 100-51-6) in F344/N Rats and B6C3F1 Mice (Gavage Studies).

(1989)

Cytowania: 6$ PaywallPubMed ↗

Direct Deoxygenation of Phenylmethanol to Methylbenzene and Benzyl Radicals on Rutile TiO2(110)

Long Chen, R. Scott Smith, Bruce D. Kay et al. (2017) · ACS Catalysis

Cytowania: 6$ PaywallDOI ↗

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Alcohol imination catalyzed by carbon nanostructures synthesized by C(sp2)-C(sp3) free radical coupling

Cheng Wang, Zirui Qiao, Yulan Tian et al. (2023) · iScience

Cytowania: 5Open AccessDOI ↗PDF ↗

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Crystal structure of (diphenylphosphinoyl)phenylmethanol, C19H17O2P

K. Lan, X.-L. Chen (2006) · Zeitschrift für Kristallographie - New Crystal Structures

Open AccessDOI ↗PDF ↗

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Crystal structure of(diphenylphosphinoyl) phenylmethanol,C19H17O2P

K. Lan, X.-L. Chen (2006) · Zeitschrift für Kristallographie - New Crystal Structures

Open AccessDOI ↗PDF ↗

Excess enthalpies of (phenylmethanol or 2-phenylethanol + 2-butanone or N-methylacetamide or N,N-dimethylacetamide)

Liisa Pikkarainen (1988) · The Journal of Chemical Thermodynamics

Cytowania: 9$ PaywallDOI ↗

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Sorption of organic pollutants onto zeolitic tuff

Stefano Salvestrini, Sante Capasso (2016) · Zaštita Materijala

Cytowania: 1Open AccessDOI ↗PDF ↗

On the isobaric vapour—liquid equilibrium of the cyclohexanol—phenylmethanol binary at 101.325 ± 0.067 kPa

Ahmet Alp Sayar (1991) · Fluid Phase Equilibria

Cytowania: 6$ PaywallDOI ↗

Crystal Structure of EcDsbA in a complex with phenylmethanol

R.L. Whitehouse, O.V. Ilyichova, A.J. Taylor (2022) · Worldwide Protein Data Bank

$ PaywallDOI ↗

Phenylmethanol C7H8O + C9H12 Isopropylbenzene

I. Wichterle, J. Linek, Z. Wagner et al. · Landolt-Börnstein - Group IV Physical Chemistry

$ PaywallDOI ↗

Phenol C6H6O + C7H8O Phenylmethanol

I. Wichterle, J. Linek, Z. Wagner et al. · Landolt-Börnstein - Group IV Physical Chemistry

$ PaywallDOI ↗

Ethanoic acid C2H4O2 + C7H8O Phenylmethanol

I. Wichterle, J. Linek, Z. Wagner et al. · Landolt-Börnstein - Group IV Physical Chemistry

$ PaywallDOI ↗

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A pH-dependent shift of redox cofactor specificity in a benzyl alcohol dehydrogenase of aromatoleum aromaticum EbN1.

Gemmecker Y, Winiarska A, Hege D et al. (2024) · Applied microbiology and biotechnology

Open AccessDOI ↗PubMed ↗PDF ↗

A Dual-Functional Luminescent MOF Sensor for Phenylmethanol Molecule and Tb3+ Cation

$ PaywallDOI ↗

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

Sinonimi

benzyl alcohol · phenylmethanol · 100-51-6 · benzenemethanol · phenylcarbinol · Benzenecarbinol · Hydroxytoluene · Benzoyl alcohol · alpha-Toluenol · Phenylmethyl alcohol · (Hydroxymethyl)benzene · Phenolcarbinol · alpha-hydroxytoluene · Alcool benzylique · Benzal alcohol

Fonti dei dati

📊 PubChem CID 244 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Benzyl Alcohol →

Molecole correlate

Citric acid monohydrate CAS 77-92-9 · C6H8O7 Salicylic acid CAS 69-72-7 · C7H6O3 Dimethyl carbonate CAS 616-38-6 · C3H6O3 L (+)-Tartaric acid CAS 87-69-4 · C4H6O6 Citric Acid Monohydrate CAS 5949-29-1 · C₆H₁₀O₈ Acetamide CAS 60-35-5 · C2H5NO