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.

Co to jest Trichloroethylene?

Trichloroethylene to związek chemiczny zarejestrowany pod numerem CAS 79-01-6. Wzór sumaryczny: C2HCl3. Masa molowa: 131.38 g/mol. IUPAC: 1,1,2-trichloroethene.

Jaki jest numer CAS Trichloroethylene?

Numer CAS dla Trichloroethylene to 79-01-6 — unikalny identyfikator Chemical Abstracts Service (CAS).

Jaki jest wzór sumaryczny Trichloroethylene?

Wzór sumaryczny: C2HCl3. Masa molowa: 131.38 g/mol. logP (XLogP3): 2.6. PSA: 0 Å².

Gdzie można kupić Trichloroethylene?

Trichloroethylene jest dostępny w naszym sklepie. Zobacz produkt: https://epchems.online/products/trichloroethylene/

Skąd pochodzą dane chemiczne dla Trichloroethylene?

Dane chemiczne dla Trichloroethylene pochodzą z autorytatywnych źródeł: PubChem (NIH), ChEMBL (EBI). PubChem CID: 6575. Zgodne z Rozporządzeniem CLP (WE 1272/2008), dostępne na licencji CC-BY 4.0.

Trichloroethylene

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

O związku Trichloroethylene

Trichloroethylene to związek chemiczny zarejestrowany pod numerem CAS 79-01-6 o wzorze sumarycznym C₂HCl₃ i masie molowej 131.38 g/mol.

Cząsteczka zawiera 6 atomów połączonych 5 wiązaniami chemicznymi. Pełna nazwa systematyczna IUPAC dla tego związku to 1,1,2-trichloroethene. Powyższy interaktywny model 3D pozwala obejrzeć układ przestrzenny atomów — można go obracać myszką, powiększać scrollem oraz przełączać między trybami wizualizacji szkieletowy / Ball & Stick / Space Fill.

Pod względem właściwości fizykochemicznych współczynnik podziału logP = 2.6 (wartość dodatnia, związek lipofilowy), powierzchnia polarna PSA = 0 Å², 0 donorów i 0 akceptorów wiązań wodorowych. Te parametry są kluczowe przy ocenie biodostępności i interakcji z biomolekułami.

Dane chemiczne dla tego związku pochodzą z PubChem (NIH NLM NCBI), jednej z największych baz związków chemicznych na świecie. Wszystkie informacje są aktualizowane automatycznie i wzbogacone o tłumaczenia zwrotów GHS zgodne z Rozporządzeniem CLP (1272/2008/WE). Powyższy widget można używać do celów edukacyjnych, badawczych i komercyjnych.

Właściwości fizykochemiczne

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 ↗

Bezpieczeństwo 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

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.

Synonimy

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

Data sources

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

Kup w sklepie

Trichloroethylene →

Powiązane molekuły

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