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 Ethylene glycol?

Ethylene glycol è un composto chimico registrato con il numero CAS 107-21-1. Formula bruta: C2H6O2. Massa molare: 62.07 g/mol. IUPAC: ethane-1,2-diol.

Qual è il numero CAS di Ethylene glycol?

Il numero CAS di Ethylene glycol è 107-21-1 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Ethylene glycol?

Formula bruta: C2H6O2. Massa molare: 62.07 g/mol. logP (XLogP3): -1.4. PSA: 40.5 Å².

Quali sono i pericoli GHS di Ethylene glycol?

Secondo la classificazione GHS, Ethylene glycol deve riportare le seguenti indicazioni di pericolo: H302 (Nocivo se ingerito.).

Dove acquistare Ethylene glycol?

Ethylene glycol è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/ethylene-glycol/

Da dove provengono i dati chimici di Ethylene glycol?

I dati chimici di Ethylene glycol provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 174. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Ethylene glycol

CAS 107-21-1 · C₂H₆O₂ · MW 62.07 g/mol

Informazioni su Ethylene glycol

Ethylene glycol è un composto chimico registrato con il numero CAS 107-21-1, con formula bruta C₂H₆O₂, e massa molare di 62.07 g/mol.

La molecola contiene 10 atomi collegati da 9 legami chimici. Il nome sistematico IUPAC completo di questo composto è ethane-1,2-diol. 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 = -1.4 (valore negativo, composto idrofilo), superficie polare PSA = 40.5 Å², 2 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	C₂H₆O₂
Masa molowa	62.07 g/mol
IUPAC	ethane-1,2-diol
SMILES	`C(CO)O`
InChIKey	`LYCAIKOWRPUZTN-UHFFFAOYSA-N`
logP (XLogP3)	-1.4
PSA	40.5 Å²
HBD / HBA	2 / 2
PubChem CID	CID 174 ↗

Sicurezza GHS

Sygnał: Uwaga

GHS07

H302 — Działa szkodliwie po połknięciu

Letteratura scientifica

Literatura naukowa

20 artykułów · 12 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Reference Correlation for the Viscosity of Ethane-1,2-diol (Ethylene Glycol) from the Triple Point to 465 K and up to 100 MPa.

et al. (2021)

Cytowania: 7Open AccessDOI ↗PubMed ↗PDF ↗

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Reference Correlation for the Thermal Conductivity of Ethane-1,2-diol (Ethylene Glycol) from the Triple Point to 475 K and Pressures up to 100 MPa.

et al. (2021)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

Simple enzymatic screening assay for ethylene glycol (ethane-1,2-diol) in serum.

(1989)

Cytowania: 17$ PaywallDOI ↗PubMed ↗

Synthesis of alpha,alpha-, alpha,Beta-, and Beta,Beta-(dimaltoside)s of ethane-1,2-diol, propane-1,3-diol, and butane-1,4-diol: a proposal for an initial adhesion mode.

(1998)

Cytowania: 10$ PaywallDOI ↗PubMed ↗

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New Insights Into the Structure of Hydroxylated and Alkylated Glycols: A Comparative X-ray Diffraction, Raman and Molecular Dynamics Study of Ethane-1,2-Diol, 2-Methoxyethan-1-ol and 1,2-Dimethoxy Ethane

et al. (2020)

Open AccessDOI ↗PDF ↗

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Activation of NRF2/HO-1 Pathway by aqueous methanolic leaf extract of Triclisia gilletii and selected identified compounds in Triclisia gilletii, modulates crystal binding genes (CD44/OPN) in Ethane-1,2-diol-induced nephrolithic rats

Olanrewaju Sam Olayeriju, Olusola Olalekan Elekofehinti, Mary Tolulope Olaleye et al. (2021) · Phytomedicine Plus

Open AccessDOI ↗PDF ↗

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New Insights into the Structure of Glycols and Derivatives: A Comparative X-Ray Diffraction, Raman and Molecular Dynamics Study of Ethane-1,2-Diol, 2-Methoxyethan-1-ol and 1,2-Dimethoxy Ethane

Lorenzo Gontrani, Pietro Tagliatesta, Antonio Agresti et al. (2020) · Crystals

Open AccessDOI ↗PDF ↗

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Bis(2,2'-bipyridyl-κN,N')(sulfato-κO,O')zinc(II) ethane-1,2-diol solvate.

(2010)

Cytowania: 5Open AccessDOI ↗PubMed ↗PDF ↗

Lipase-catalyzed transesterification of 2-hydroxy-2-(pentafluorophenyl)acetonitrile leading to (1R,2R)- and (1S,2S)-bis(pentafluorophenyl)ethane-1,2-diol

et al. (2000)

Cytowania: 5$ PaywallDOI ↗PubMed ↗

Synthesis, structure and properties of mononuclear oxovanadium(V) alkoxides incorporating chelated ethane-1,2-diol and propane-1,3-diol

Kajal Krishna Rajak, Sujit Mondal, Sankar Prasad Rath (2000) · Polyhedron

Cytowania: 25$ PaywallDOI ↗

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Poly[aqua-(μ2-4,4'-bipyridine-κ(2) N:N')(ethane-1,2-diol-κO)(μ2-sulfato-κ(2) O:O')nickel(II)].

(2013)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Poly[diaqua-bis-(μ-4,4'-bipyridine-κ(2) N:N')bis-(ethane-1,2-diol-κO)bis(μ-sulfato-κ(2) O:O')dicobalt(II)].

(2013)

Open AccessDOI ↗PubMed ↗PDF ↗

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Copper(II)-Promoted Reactions of α-Pyridoin Oxime: A Dodecanuclear Cluster and a 2D Coordination Polymer

Konstantina H. Baka, Luís Cunha-Silva, Catherine P. Raptopoulou et al. (2025) · Magnetochemistry

Open AccessDOI ↗PDF ↗

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The crystal structure of 1,2-bis(1H-benzo[d]imidazol-2-yl)ethane-1,2-diol — N-(2-aminophenyl)-3-(1H-benzo[d]imidazol-2-yl)-2,3-dihydroxypropanamide (1/1), C32H30N8O5

Clark Candyce R., Hosten Eric C., Betz Richard (2021) · Zeitschrift für Kristallographie - New Crystal Structures

Open AccessDOI ↗PDF ↗

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Effect of moonseed vine (Triclisia gilletii Staner) on ethane-1,2-diol-induced urolithiasis and its renotoxicity in Wistar albino rats

O. S. Olayeriju, O. O. Crown, O. O. Elekofehinti et al. (2020) · African Journal of Urology

Open AccessDOI ↗PDF ↗

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catena-Poly[[[bis(glycolato-κ2O,O′)copper(II)]-μ-4,4′-bipyridine-κ2N:N′] ethane-1,2-diol monosolvate]

Kai-Long Zhong (2018) · IUCrData

Open AccessDOI ↗PDF ↗

Diffusion coefficient of ethane-1,2-diol into water and ethane-1,2-diol solution

Jochen Winkelmann (2017) · Diffusion in Gases, Liquids and Electrolytes

$ PaywallDOI ↗

Viscosity of the binary liquid mixture of ethane-1,2-diol and propane-1,2-diol

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

$ PaywallDOI ↗

Viscosity of the binary liquid mixture of ethane-1,2-diol and ethane-1,2-diamine

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

$ PaywallDOI ↗

Viscosity of the binary liquid mixture of ethane-1,2-diol and propane-1,3-diol

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

$ 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

ETHYLENE GLYCOL · Ethane-1,2-diol · 107-21-1 · 1,2-ethanediol · glycol · monoethylene glycol · 2-hydroxyethanol · 1,2-Dihydroxyethane · Glycol alcohol · Ethylene alcohol · Fridex · Tescol · Norkool · Ethylene dihydrate · Zerex

Fonti dei dati

📊 PubChem CID 174 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Ethylene glycol →

Molecole correlate

Dipropylene glycol mono propyl ether CAS 35884-42-5 · C10H22O3 Toluene CAS 108-88-3 · C7H8 Cyclohexanone CAS 108-94-1 · C6H10O Acetamide CAS 60-35-5 · C2H5NO Diethylene glycol monobutyl ether CAS 112-34-5 · C8H18O3 Sodium citrate CAS 68-04-2 · C₆H₅Na₃O₇