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.

Was ist 1-Propanol (n-Propanol)?

1-Propanol (n-Propanol) ist eine chemische Verbindung, registriert unter der CAS-Nummer 71-23-8. Summenformel: C3H8O. Molmasse: 60.10 g/mol. IUPAC: propan-1-ol.

Wie lautet die CAS-Nummer von 1-Propanol (n-Propanol)?

Die CAS-Nummer von 1-Propanol (n-Propanol) ist 71-23-8 — eine eindeutige Kennung des Chemical Abstracts Service (CAS).

Wie lautet die Summenformel von 1-Propanol (n-Propanol)?

Summenformel: C3H8O. Molmasse: 60.10 g/mol. logP (XLogP3): 0.3. PSA: 20.2 Å².

Welche GHS-Gefahren hat 1-Propanol (n-Propanol)?

Gemäß der GHS-Klassifizierung muss 1-Propanol (n-Propanol) mit den folgenden Gefahrenhinweisen gekennzeichnet werden: H225 (Flüssigkeit und Dampf leicht entzündbar.), H336 (Kann Schläfrigkeit und Benommenheit verursachen.), H318 (Verursacht schwere Augenschäden.).

Wo kann ich 1-Propanol (n-Propanol) kaufen?

1-Propanol (n-Propanol) ist in unserem Shop erhältlich. Produkt ansehen: https://epchems.online/products/1-propanol/

Woher stammen die chemischen Daten für 1-Propanol (n-Propanol)?

Die chemischen Daten für 1-Propanol (n-Propanol) stammen aus zuverlässigen Quellen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 1031. Konform mit der CLP-Verordnung (EG 1272/2008), verfügbar unter der Lizenz CC-BY 4.0.

1-Propanol (n-Propanol)

1-Propanol

CAS 71-23-8 · C₃H₈O · MW 60.10 g/mol

Über 1-Propanol (n-Propanol)

1-Propanol (n-Propanol) ist eine chemische Verbindung, registriert unter der Nummer CAS 71-23-8, mit der Summenformel C₃H₈O, und einer Molmasse von 60.10 g/mol.

Das Molekül enthält 12 Atome, verbunden durch 11 chemische Bindungen. Der vollständige systematische IUPAC-Name dieser Verbindung lautet propan-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 = 0.3 (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	C₃H₈O
Masa molowa	60.10 g/mol
IUPAC	propan-1-ol
SMILES	`CCCO`
InChIKey	`BDERNNFJNOPAEC-UHFFFAOYSA-N`
logP (XLogP3)	0.3
PSA	20.2 Å²
HBD / HBA	1 / 1
PubChem CID	CID 1031 ↗

GHS-Sicherheit

Sygnał: Niebezpieczeństwo

GHS02

GHS05

GHS07

H225 — Wysoce łatwopalna ciecz i pary

H336 — Może wywoływać uczucie senności lub zawroty głowy

H318 — Powoduje poważne uszkodzenie oczu

Wissenschaftliche Literatur

Literatura naukowa

20 artykułów · 11 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Activation of the Aromatic Core of 3,3'-(Pyridine-2,6-diylbis(1H-1,2,3-triazole-4,1-diyl))bis(propan-1-ol)-Effects on Extraction Performance, Stability Constants, and Basicity.

et al. (2019)

Cytowania: 17Open AccessDOI ↗PubMed ↗PDF ↗

Dermal and pulmonary absorption of propan-1-ol and propan-2-ol from hand rubs.

et al. (2012)

Cytowania: 17$ PaywallDOI ↗PubMed ↗

Green synthesis of (S)-1-(furan-2-yl)propan-1-ol from asymmetric bioreduction of 1-(furan-2-yl)propan-1-one using whole-cell of Lactobacillus paracasei BD101.

(2024)

Cytowania: 7$ PaywallDOI ↗PubMed ↗

Quantum mechanical study of the structure and spectroscopic (FT-IR, FT-Raman), first-order hyperpolarizability, NBO and HOMO-LUMO analysis of S-S-2 methylamino-1-phenyl propan-1-ol.

(2013)

Cytowania: 7$ PaywallDOI ↗PubMed ↗

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Crystal structure of di-chlorido-{2-methyl-2-[(pyridin-2-ylmeth-yl)amino]-propan-1-ol-κ3N,N',O}copper(II) from synchrotron data.

et al. (2016)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

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Density, speed of sound, refractive index and relative permittivity of methanol, propan-1-ol or pentan-1-ol + benzylamine liquid mixtures. Application of the Kirkwood-Fröhlich model

Fernando Hevia, Víctor Alonso, Ana Cobos et al. (2024) · arXiv (2410.09058v1)

Open AccessDOI ↗PDF ↗

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Density, speed of sound, refractive index and relative permittivity of methanol, propan-1-ol or pentan-1-ol + aniline liquid mixtures. Application of the Kirkwood-Fröhlich model

Fernando Hevia, Víctor Alonso, Juan Antonio González et al. (2024) · arXiv (2409.17926v1)

Open AccessDOI ↗PDF ↗

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Chilling alcohol on the computer: isothermal compressibility and the formation of hydrogen-bond clusters in liquid propan-1-ol.

et al. (2023)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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The conformational analyses of 2-amino-N-[2-(dimethylphenoxy)ethyl]propan-1-ol derivatives in different environments.

et al. (2020)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

Temperature-dependent microwave dielectric relaxation studies of hydrogen bonded polar binary mixtures of propan-1-ol and propionaldehyde.

et al. (2013)

Cytowania: 2$ PaywallDOI ↗PubMed ↗

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Crystal structure of trimeth-yl({tris-[(phenyl-sulfan-yl)meth-yl]sil-yl}meth-oxy)silane and Hirshfeld surface analysis of 3-bromo-2,2-bis-(bromo-meth-yl)propan-1-ol.

(2023)

Open AccessDOI ↗PubMed ↗PDF ↗

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Selective formation of propan-1-ol from propylene via a chemical looping approach

(2023) · Royal Society of Chemistry (RSC)

Open AccessDOI ↗PDF ↗

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Synthesis and antidepressant activity of optical isomers of 2-(4-benzylpiperazin-1-yl)-1-(5-chloro-6-methoxynaphthalen-2-yl) propan-1-ol (SIPI5056).

(2010)

Cytowania: 7Open AccessDOI ↗PubMed ↗PDF ↗

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3-[2-(9-Ethyl-9H-carbazol-3-yl)-6-methyl-3-quinol-yl]propan-1-ol.

et al. (2008)

Cytowania: 4Open AccessDOI ↗PubMed ↗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

Weidong Yan (1434424), Yihe Wang (1554496) (2016)

$ PaywallDOI ↗

Vapor-liquid equilibrium data for binary systems of 1-Methyl-4-(1-methylethenyl)-cyclohexene plus {Ethanol, Propan-1-ol, Propan-2-ol, Butan-1-ol, Pentan-1-ol, or Hexan-1-ol} at 40 kPa

Ramjugernath, Deresh, Ngema, Peterson Thokozani, Naidoo, Paramespri et al. (2023) · American Chemical Society (ACS)

$ PaywallDOI ↗

2-methyl-1-(4-phenylphenyl)propan-1-ol

Matt, Yannick (2020) · chemotion.net

$ PaywallDOI ↗

Comparing rubbing and scrubbing surgical hand antisepsis with propan-1-ol 60% in accordance with European regulation UNE-EN 12791:2016+A1:2018

Alou Cervera, Luis, Gómez-Lus Centelles, María Luisa, Becerro De Bengoa Vallejo, Ricardo et al. (2021) · Cambridge University Press

$ PaywallDOI ↗

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1-Aryl-3-(1H-imidazol-1-yl)propan-1-ol esters: synthesis, anti-Candida potential and molecular modeling studies.

et al. (2013)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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

Cytowania: 7$ PaywallDOI ↗

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-propanol · propanol · Propyl alcohol · Propan-1-ol · n-propanol · 71-23-8 · n-Propyl alcohol · ethylcarbinol · optal · osmosol extra · Propylic alcohol · Propanol-1 · 1-Propyl alcohol · n-Propan-1-ol · Propanole

Datenquellen

📊 PubChem CID 1031 — NIH
🔬 NIST WebBook — spektroskopia
💊 ChEMBL — bioaktywność

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