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.

N-Butanol ist eine chemische Verbindung, registriert unter der CAS-Nummer 71-36-3. Summenformel: C4H10O. Molmasse: 74.12 g/mol. IUPAC: butan-1-ol.

Wie lautet die CAS-Nummer von N-Butanol?

Die CAS-Nummer von N-Butanol ist 71-36-3 — eine eindeutige Kennung des Chemical Abstracts Service (CAS).

Wie lautet die Summenformel von N-Butanol?

Summenformel: C4H10O. Molmasse: 74.12 g/mol. logP (XLogP3): 0.9. PSA: 20.2 Å².

Welche GHS-Gefahren hat N-Butanol?

Gemäß der GHS-Klassifizierung muss N-Butanol mit den folgenden Gefahrenhinweisen gekennzeichnet werden: H226 (Flüssigkeit und Dampf entzündbar.), H302 (Gesundheitsschädlich bei Verschlucken.), H335 (Kann die Atemwege reizen.), H336 (Kann Schläfrigkeit und Benommenheit verursachen.), H315 (Verursacht Hautreizungen.).

Wo kann ich N-Butanol kaufen?

N-Butanol ist in unserem Shop erhältlich. Produkt ansehen: https://epchems.online/products/n-butanol/

Woher stammen die chemischen Daten für N-Butanol?

Die chemischen Daten für N-Butanol stammen aus zuverlässigen Quellen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 263. Konform mit der CLP-Verordnung (EG 1272/2008), verfügbar unter der Lizenz CC-BY 4.0.

N-Butanol

1-Butanol

CAS 71-36-3 · C₄H₁₀O · MW 74.12 g/mol

Über N-Butanol

N-Butanol ist eine chemische Verbindung, registriert unter der Nummer CAS 71-36-3, mit der Summenformel C₄H₁₀O, und einer Molmasse von 74.12 g/mol.

Das Molekül enthält 15 Atome, verbunden durch 14 chemische Bindungen. Der vollständige systematische IUPAC-Name dieser Verbindung lautet butan-1-ol. Das interaktive 3D-Modell oben zeigt die räumliche Anordnung der Atome — Sie können es mit der Maus drehen, mit dem Scrollrad zoomen und zwischen den Darstellungsmodi Skelett / Ball & Stick / Space Fill wechseln.

Hinsichtlich der physikalisch-chemischen Eigenschaften der Verteilungskoeffizient logP = 0.9 (positiver Wert, lipophile Verbindung), polare Oberfläche PSA = 20.2 Å², 1 Donatoren und 1 Wasserstoffbrücken-Akzeptoren. Diese Parameter sind entscheidend für die Beurteilung der Bioverfügbarkeit und der Wechselwirkung mit Biomolekülen.

Die chemischen Daten für diese Verbindung stammen aus PubChem (NIH NLM NCBI), einer der größten chemischen Datenbanken der Welt. Alle Informationen werden automatisch aktualisiert und um GHS-Gefahrenhinweise gemäß der CLP-Verordnung (EG 1272/2008) ergänzt. Das obige Widget darf für Bildungs-, Forschungs- und kommerzielle Zwecke verwendet werden.

Physikalisch-chemische Eigenschaften

Wzór sumaryczny	C₄H₁₀O
Masa molowa	74.12 g/mol
IUPAC	butan-1-ol
SMILES	`CCCCO`
InChIKey	`LRHPLDYGYMQRHN-UHFFFAOYSA-N`
logP (XLogP3)	0.9
PSA	20.2 Å²
HBD / HBA	1 / 1
PubChem CID	CID 263 ↗

GHS-Sicherheit

Sygnał: Niebezpieczeństwo

GHS02

GHS05

GHS07

H226 — Łatwopalna ciecz i pary

H302 — Działa szkodliwie po połknięciu

H335 — Może powodować podrażnienie dróg oddechowych

H336 — Może wywoływać uczucie senności lub zawroty głowy

H315 — Działa drażniąco na skórę

H318 — Powoduje poważne uszkodzenie oczu

Wissenschaftliche Literatur

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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Anodic Oxidation of Butan-1-ol on Reduced Graphene Oxide-Supported Pd-Ag Nanoalloy for Fuel Cell Application.

et al. (2019)

Cytowania: 5Open AccessDOI ↗PubMed ↗PDF ↗

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A study of the oxidation of butan-1-ol and propan-2-ol by nicotinamide-adenine dinucleotide catalysed by yeast alcohol dehydrogenase.

(1975)

Cytowania: 19Open AccessDOI ↗PubMed ↗PDF ↗

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Molecular Properties of Butan-1-ol With Acetic Acid: A Dielectric study

Baliram Lone, Prakash Khirade, Suresh Mehrotra (2020) · arXiv (2004.10125v1)

Open AccessPDF ↗

Vibrational assignment, HOMO-LUMO and NBO analysis of (2S)-2-[(2-{[(2S)-1-hydroxybutan-2-yl]amino}ethyl)amino]butan-1-ol by density functional theory.

(2014)

Cytowania: 1$ PaywallDOI ↗PubMed ↗

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Poly[tris-(2-amino-butan-1-ol)copper(II) [hexa-kis-μ2-cyanido-κ12 C:N-tetra-copper(I)] bis-(2-amino-butan-1-olato)aqua-copper(II) monohydrate].

(2024)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Enantioselective Synthesis of the Bisabolane Sesquiterpene (+)-1-Hydroxy-1,3,5-Bisabolatrien-10-one and Revision of its Absolute Configuration

Stefano Serra (2012) · Natural Product Communications

Cytowania: 5Open AccessDOI ↗PDF ↗

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Crystal structures of the synthetic inter-mediate 3-[(6-chloro-7H-purin-7-yl)meth-yl]cyclo-butan-1-one, and of two oxetanocin derivatives: 3-[(6-chloro-8,9-di-hydro-7H-purin-7-yl)meth-yl]cyclo-butan-1-ol and 3-[(6-chloro-9H-purin-9-yl)meth-yl]cyclo-butan-1-ol.

et al. (2019)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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4-(4-{[(2-Phenyl-quinazolin-4-yl)-oxy]methyl}-1H-1,2,3-triazol-1-yl)butan-1-ol hemihydrate.

et al. (2011)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

Excess molar enthalpies of (butan-1-ol or 2-methylpropan-1-ol +acetonitrile), (2-methylpropan-1-ol +benzene), and (butan-1-ol or 2-methylpropan-1-ol+acetonitrile +benzene) at 298.15 K

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

Cytowania: 19$ PaywallDOI ↗

Butan-1-ol as an extractant solvent in dispersive liquid-liquid microextraction in the spectrophotometric determination of aluminium.

(2018)

Cytowania: 2$ PaywallDOI ↗PubMed ↗

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1-Butyl-3-methyl-imidazolium tri-bromido-(tri-phenyl-phosphane-κP)nickelate(II) butan-1-ol hemisolvate.

(2021)

Open AccessDOI ↗PubMed ↗PDF ↗

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rac-(S)-2-(1H-Imidazol-1-yl)-3-methyl-butan-1-ol.

(2009)

Open AccessDOI ↗PubMed ↗PDF ↗

Determination of nickel in biological materials after microwave dissolution using inductively coupled plasma atomic emission spectrometry with prior extraction into butan-1-ol.

(1992)

$ PaywallDOI ↗PubMed ↗

Thermophysical Properties of Ternary Butan-1-ol + Cyclohexane + Toluene and Binary Butan-1-ol + Cyclohexane and Butan-1-ol + Toluene Mixtures: Experimental Data and Modeling

Arbër Zeqiraj, Fisnik Aliaj, Rozafa Krasniqi et al. (2026) · Journal of Chemical & Engineering Data

$ PaywallDOI ↗

🔓

Urethane Synthesis in the Presence of Organic Acid Catalysts—A Computational Study

Hadeer Q. Waleed, Béla Viskolcz, Béla Fiser (2024) · Molecules

Open AccessDOI ↗PDF ↗

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Thermodynamics of mixtures with strongly negative deviations from Raoult's law. XVII. Permittivities and refractive indices for alkan-1-ol + N,N-diethylethanamine systems at (293.15-303.15) K. Application of the Kirkwood-Fröhlich model

Fernando Hevia, Juan Antonio González, Ana Cobos et al. (2024) · arXiv (2410.09057v1)

Open AccessDOI ↗PDF ↗

Excess Molar Enthalpies of Ternary Systems Butan-1-ol or Butan-2-ol + Aniline + Propanone and of Binary Systems Butan-1-ol or Butan-2-ol + Propanone at the Temperature 298.15 K

Isamu Nagata, Kazuhiro Tamura, Hideo Kataoka et al. (1996) · Journal of Chemical & Engineering Data

Cytowania: 7$ PaywallDOI ↗

Viscosity of the binary liquid mixture of butan-1-ol and butan-2-ol

Christian Wohlfarth (2017) · Viscosity of Pure Organic Liquids and Binary Liquid Mixtures

$ PaywallDOI ↗

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Potential risk resulting from the influence of static magnetic field upon living organisms. Numerically simulated effects of the static magnetic field upon simple alkanols

Wojciech Ciesielski, Tomasz Girek, Zdzisław Oszczęda et al. (2022) · BioRisk

Open AccessDOI ↗PDF ↗

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Effect of morpholine, and 4-methylmorpholine on urethane formation: a computational study

Hadeer Q. Waleed, Rachid Hadjadj, Béla Viskolcz et al. (2023) · Scientific Reports

Open AccessDOI ↗PDF ↗

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

Synonyme

1-butanol · Butan-1-ol · n-butanol · 71-36-3 · Butyl alcohol · n-butyl alcohol · Propylcarbinol · 1-hydroxybutane · Butyl hydroxide · Methylolpropane · Propylmethanol · Butyric alcohol · Hemostyp · n-Butan-1-ol · 1-Butyl alcohol

Datenquellen

📊 PubChem CID 263 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

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