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 Isopropanolo?

Isopropanolo è un composto chimico registrato con il numero CAS 67-63-0. Formula bruta: C3H8O. Massa molare: 60.10 g/mol. IUPAC: propan-2-ol.

Qual è il numero CAS di Isopropanolo?

Il numero CAS di Isopropanolo è 67-63-0 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Isopropanolo?

Formula bruta: C3H8O. Massa molare: 60.10 g/mol. logP (XLogP3): 0.3. PSA: 20.2 Å².

Quali sono i pericoli GHS di Isopropanolo?

Secondo la classificazione GHS, Isopropanolo deve riportare le seguenti indicazioni di pericolo: H225 (Liquido e vapori facilmente infiammabili.), H336 (Può provocare sonnolenza o vertigini.), H319 (Provoca grave irritazione oculare.).

Dove acquistare Isopropanolo?

Isopropanolo è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/lsopropyl-alcohol/

Da dove provengono i dati chimici di Isopropanolo?

I dati chimici di Isopropanolo provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 3776. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Isopropanolo

Isopropanol

CAS 67-63-0 · C₃H₈O · MW 60.10 g/mol

Informazioni su Isopropanolo

Isopropanolo è un composto chimico registrato con il numero CAS 67-63-0, con formula bruta C₃H₈O, e massa molare di 60.10 g/mol.

La molecola contiene 12 atomi collegati da 11 legami chimici. Il nome sistematico IUPAC completo di questo composto è propan-2-ol. 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 = 0.3 (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	C₃H₈O
Masa molowa	60.10 g/mol
IUPAC	propan-2-ol
SMILES	`CC(C)O`
InChIKey	`KFZMGEQAYNKOFK-UHFFFAOYSA-N`
logP (XLogP3)	0.3
PSA	20.2 Å²
HBD / HBA	1 / 1
PubChem CID	CID 3776 ↗

Sicurezza GHS

Sygnał: Niebezpieczeństwo

GHS02

GHS07

H225 — Wysoce łatwopalna ciecz i pary

H336 — Może wywoływać uczucie senności lub zawroty głowy

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.

Investigation of new 1,2,3-triazolyl-quinolinyl-propan-2-ol derivatives as potential antimicrobial agents: in vitro and in silico approach.

et al. (2024)

Cytowania: 4$ PaywallDOI ↗PubMed ↗

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Effect of Co-Inoculation with Saccharomyces cerevisiae and Lactic Acid Bacteria on the Content of Propan-2-ol, Acetaldehyde and Weak Acids in Fermented Distillery Mashes.

et al. (2019)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

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Crystal structure of 1,3-bis-[(E)-4-meth-oxy-benzyl-idene-amino]-propan-2-ol.

et al. (2016)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Enantiodivergent syntheses of (+)- and (-)-1-(2,6-dimethylphenoxy)propan-2-ol: A way to access (+)- and (-)-mexiletine from D-(+)-mannitol.

et al. (2020)

Cytowania: 4$ PaywallDOI ↗PubMed ↗

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Novel phenoxy-((phenylethynyl) selanyl) propan-2-ol derivatives as potential anticancer agents.

et al. (2023)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Discovery of a multipotent chaperone, 1-(2,6-Difluorobenzylamino)-3-(1,2,3,4-tetrahydrocarbazol-9-yl)-propan-2-ol with the inhibitory effects on the proliferation of prion, cancer as well as influenza virus.

et al. (2020)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Cardioprotective Effects of 1-(3,6-Dibromo-carbazol-9-yl)-3-Phenylamino-Propan-2-Ol in Diabetic Hearts via Nicotinamide Phosphoribosyltransferase Activation.

et al. (2022)

Cytowania: 15Open AccessDOI ↗PubMed ↗PDF ↗

Discovery, Optimization, and Biological Evaluation of Novel (1,2,4-Triazol-1-yl)propan-2-ol Derivatives as Potent Demethylation Inhibitors.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

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Antifungal activity of Co(II) and Cu(II) complexes containing 1,3-bis(benzotriazol-1-yl)-propan-2-ol on the growth and virulence traits of fluconazole-resistant Candida species: synthesis, DFT calculations, and biological activity.

et al. (2023)

Cytowania: 9Open AccessDOI ↗PubMed ↗PDF ↗

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Crystal structure of di-bromido-tetra-kis(propan-2-ol-κO)nickel(II).

et al. (2015)

Open AccessDOI ↗PubMed ↗PDF ↗

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Hydrogen bonding and percolation in propan-2-ol -- water liquid mixtures: X-ray diffraction experiments and computer simulations

Szilvia Pothoczki, Ildikó Pethes, László Pusztai et al. (2020) · arXiv (2001.11923v1)

Open AccessDOI ↗PDF ↗

Excess Molar Volumes of 1,3-Diethyl Propanedioate with Methanol, Ethanol, Propan-1-ol, Propan-2-ol, Butan-2-ol, 2-Methyl-propan-1-ol, and Pentan-1-ol at T = (288.15, 298.15, 313.15, and 328.15) K

Yihe Wang, Weidong Yan (2010) · Journal of Chemical & Engineering Data

Cytowania: 7$ PaywallDOI ↗

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Crystal structure of naltrexone chloride solvates with ethanol, propan-2-ol, and 2-methyl-propan-2-ol.

(2017)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Excess molar enthalpies of (propan-1-ol or propan-2-ol + acetonitrile), (propan-1-ol or propan-2-ol + chlorobenzene), and (propan-1-ol or propan-2-ol + acetonitrile + chlorobenzene) at 298.15 K

Isamu Nagata, Kazuhiro Tamura (1988) · The Journal of Chemical Thermodynamics

Cytowania: 24$ PaywallDOI ↗

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Solvent-driven Radiolytic Transformation of Hcb in Propan-2-ol Under Gamma Irradiation

et al. (2026)

Open AccessDOI ↗PDF ↗

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Crystal structure of 1,3-bis-[(E)-benzyl-idene-amino]-propan-2-ol.

et al. (2017)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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A new member of a class of rod-like Mn12 single molecule magnets using 2-(pyridine-2-ly)propan-2-ol.

et al. (2019)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

The enthalpies of solution of ethanol, propan-1-ol, propan-2-ol and butan-1-ol in deuterium oxide

DJT Hill, C Malar (1975) · Australian Journal of Chemistry

Cytowania: 1$ PaywallDOI ↗

Excess molar enthalipies of (propan-1-ol + butan-2-one) and of (propan-1-ol or propan-2-ol + butan-2-one + benzene) at the temperature 298.15 K

Kazuhiro Tamura, Isamu Nagata (1991) · The Journal of Chemical Thermodynamics

Cytowania: 11$ PaywallDOI ↗

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catena-Poly[1-butyl-3-methyl-imidazolium [[dichlorido(methanol-κO)(propan-2-ol-κO)lanthanate(III)]-di-μ-chlorido]].

Han Y, Dai F, Sykes AG et al. (2012) · Acta crystallographica. Section E, Structure reports online

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

Isopropyl alcohol · isopropanol · 2-Propanol · Propan-2-ol · 67-63-0 · 2-Hydroxypropane · Dimethylcarbinol · sec-Propyl alcohol · Alkolave · Avantine · Hartosol · Petrohol · i-Propanol · 1-Methylethanol · Takineocol

Fonti dei dati

📊 PubChem CID 3776 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Isopropyl alcohol →

Molecole correlate

Phosphotungstic acid CAS 12067-99-1 · W12PHO39·H2O Ethyl Methyl Carbonate CAS 623-53-0 · C4H8O3 L-Cysteine CAS 52-90-4 · C3H7NO2S N-Heptane CAS 142-82-5 · C7H16 Acetamide CAS 60-35-5 · C2H5NO Citric acid monohydrate CAS 77-92-9 · C6H8O7