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 Trichloroethylene?

Trichloroethylene è un composto chimico registrato con il numero CAS 79-01-6. Formula bruta: C2HCl3. Massa molare: 131.38 g/mol. IUPAC: 1,1,2-trichloroethene.

Qual è il numero CAS di Trichloroethylene?

Il numero CAS di Trichloroethylene è 79-01-6 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Trichloroethylene?

Formula bruta: C2HCl3. Massa molare: 131.38 g/mol. logP (XLogP3): 2.6. PSA: 0 Å².

Quali sono i pericoli GHS di Trichloroethylene?

Secondo la classificazione GHS, Trichloroethylene deve riportare le seguenti indicazioni di pericolo: H350 (Può provocare il cancro.), H341 (Sospettato di provocare alterazioni genetiche.), H336 (Può provocare sonnolenza o vertigini.), H315 (Provoca irritazione cutanea.), H319 (Provoca grave irritazione oculare.).

Dove acquistare Trichloroethylene?

Trichloroethylene è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/trichloroethylene/

Da dove provengono i dati chimici di Trichloroethylene?

I dati chimici di Trichloroethylene provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 6575. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Trichloroethylene

CAS 79-01-6 · C₂HCl₃ · MW 131.38 g/mol

Informazioni su Trichloroethylene

Trichloroethylene è un composto chimico registrato con il numero CAS 79-01-6, con formula bruta C₂HCl₃, e massa molare di 131.38 g/mol.

La molecola contiene 6 atomi collegati da 5 legami chimici. Il nome sistematico IUPAC completo di questo composto è 1,1,2-trichloroethene. 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 = 2.6 (valore positivo, composto lipofilo), superficie polare PSA = 0 Å², 0 donatori e 0 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	C₂HCl₃
Masa molowa	131.38 g/mol
IUPAC	1,1,2-trichloroethene
SMILES	`C(=C(Cl)Cl)Cl`
InChIKey	`XSTXAVWGXDQKEL-UHFFFAOYSA-N`
logP (XLogP3)	2.6
PSA	0 Å²
HBD / HBA	0 / 0
PubChem CID	CID 6575 ↗

Sicurezza GHS

Sygnał: Niebezpieczeństwo

GHS07

GHS08

H350 — Może powodować raka

H341 — Podejrzewa się, że powoduje wady genetyczne

H336 — Może wywoływać uczucie senności lub zawroty głowy

H315 — Działa drażniąco na skórę

H319 — Działa drażniąco na oczy

H412 — Działa szkodliwie na organizmy wodne, powodując długotrwałe skutki

Letteratura scientifica

Literatura naukowa

20 artykułów · 7 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Nephrotoxic and genotoxic N-acetyl-S-dichlorovinyl-L-cysteine is a urinary metabolite after occupational 1,1,2-trichloroethene exposure in humans: implications for the risk of trichloroethene exposure.

et al. (1993)

Cytowania: 61Open AccessDOI ↗PubMed ↗PDF ↗

NTP Toxicology and Carcinogenesis Studies of Trichloroethylene (CAS No. 79-01-6) in Four Strains of Rats (ACI, August, Marshall, Osborne-Mendel) (Gavage Studies).

(1988)

Cytowania: 19$ PaywallPubMed ↗

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Ambient Trichloroethylene Exposure and Parkinson Disease Risk in Medicare Beneficiaries.

Krzyzanowski B, Beyene KM, Turner JR et al. (2025) · Neurology

Open AccessDOI ↗PubMed ↗PDF ↗

Trichloroethene (C2HCl3)

(2011) · Gaseous Electronics

$ PaywallDOI ↗

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C5b-9 mediates ferroptosis of tubular epithelial cells in trichloroethylene-sensitization mice.

Liu Z, Ma J, Zuo X et al. (2022) · Ecotoxicology and environmental safety

Open AccessDOI ↗PubMed ↗PDF ↗

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HMGB 1 acetylation mediates trichloroethylene-induced immune kidney injury by facilitating endothelial cell-podocyte communication.

Zhang X, Xie H, Liu Z et al. (2023) · Ecotoxicology and environmental safety

Open AccessDOI ↗PubMed ↗PDF ↗

MPTP controls the release of mtDNA and induces endothelial cell PANoptosis in trichloroethylene-induced immune kidney injury.

Xie H, Zhao J, Chen J et al. (2025) · European journal of pharmacology

$ PaywallDOI ↗PubMed ↗

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IP3R-dependent mitochondrial dysfunction mediates C5b-9-induced ferroptosis in trichloroethylene-caused immune kidney injury.

Liu Z, Ma J, Zuo X et al. (2023) · Frontiers in immunology

Open AccessDOI ↗PubMed ↗PDF ↗

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Acetylene-Fueled Trichloroethene Reductive Dechlorination in a Groundwater Enrichment Culture.

Gushgari-Doyle S, Oremland RS, Keren R et al. (2021) · mBio

Open AccessDOI ↗PubMed ↗PDF ↗

The excess enthalpy of (trichloroethene + carbon disulphide), (trichloroethene + trichloromethane), and (trichloroethene + tetrachloromethane) at various temperatures and pressures

M.A Siddiqi, K Lucas (1986) · The Journal of Chemical Thermodynamics

Cytowania: 4$ PaywallDOI ↗

Endothelin-1 down-regulated vascular endothelial growth factor A is involved in trichloroethene-induced kidney injury.

Xie H, Zhang X, Peng J et al. (2022) · Toxicology and industrial health

$ PaywallDOI ↗PubMed ↗

Developmental toxicity of trichloroethylene in zebrafish (Danio rerio).

Horzmann KA , Portales AM , Batcho KG et al. (2020) · Environmental science. Processes & impacts

$ PaywallDOI ↗PubMed ↗

Degradation of trichloroethylene in aqueous solution by FeS(2) catalyst under innovative oxic environments.

Habib M, Ali M, Ayaz T et al. (2023) · Environmental pollution (Barking, Essex : 1987)

$ PaywallDOI ↗PubMed ↗

Zinc and copper supplements enhance trichloroethylene removal by Pseudomonas plecoglossicida in water.

Qiu L, Lok KS, Lu Q et al. (2023) · Environmental technology

$ PaywallDOI ↗PubMed ↗

Trichloroethene Hydrodechlorination in Water by Highly Disordered Monometallic Nanoiron

$ PaywallDOI ↗

Acetylene Tunes Microbial Growth During Aerobic Cometabolism of Trichloroethene

$ PaywallDOI ↗

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Rate-limited Mass Transfer of Trichloroethene

Deza Irving

Open AccessDOI ↗PDF ↗

Sulfidation of Magnetite for Superior Dechlorination of Trichloroethene

$ PaywallDOI ↗

Designing Pd-on-Au Bimetallic Nanoparticle Catalysts for Trichloroethene Hydrodechlorination

$ PaywallDOI ↗

Optimal Design of Sulfidated Nanoscale Zerovalent Iron for Enhanced Trichloroethene Degradation

$ 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

TRICHLOROETHYLENE · Trichloroethene · 79-01-6 · 1,1,2-Trichloroethene · Ethinyl trichloride · 1,1,2-Trichloroethylene · Ethene, trichloro- · Ethylene trichloride · Germalgene · Westrosol · Densinfluat · Narkosoid · Trethylene · Acetylene trichloride · Anamenth

Fonti dei dati

📊 PubChem CID 6575 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Trichloroethylene →

Molecole correlate

Triethylene Diamine CAS 280-57-9 · C6H12N2 Dipropylene glycol mono propyl ether CAS 35884-42-5 · C10H22O3 Phosphotungstic acid CAS 12067-99-1 · W12PHO39·H2O N-Butanol CAS 71-36-3 · C4H10O L-Threonine CAS 72-19-5 · C4H9NO3 Sodium Glutamate CAS 142-47-2 · C5H10NNaO5