4,4,4-Trichloro-1,2-epoxybutane

Also known as: 1,2-Epoxy-4,4,4-trichlorobutane, 2-(2,2,2-Trichloroethyl)oxirane, 4,4,4-Trichloro-1,2-butylene oxide, Trichlorobutylene oxide, 1,1,1-Trichloro-3,4-epoxybutane, 1,2-Epoxy-4,4,4-trichloro-butan, 2,2,2-Trichloroethyloxirane

4,4,4-Trichloro-1,2-epoxybutane (CAS 3083-25-8) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C4H5Cl3O and a molecular weight of 175.44100 g/mol. Key properties include a boiling point of 190.7ºC at 760mmHg, a density of 1.511g/cm3 and a flash point of 75.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3083-25-8
Jingsj CID: J-1127392-5
Molecular Formula: C₄H₅Cl₃O
Molecular Weight: 175.44100 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	190.7ºC at 760mmHg
Density	1.511g/cm3
Flash Point	75.8ºC
Exact Mass	173.94100
PSA	12.53000
LogP	2.14550
Refractive Index	1.509

Customs & Trade Information

HS Code	2910900090
Summary	2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4,4-Trichloro-1,2-epoxybutane?

The CAS number of 4,4,4-Trichloro-1,2-epoxybutane is 3083-25-8.

What are the molecular formula and molecular weight of 4,4,4-Trichloro-1,2-epoxybutane?

4,4,4-Trichloro-1,2-epoxybutane has molecular formula C4H5Cl3O and molecular weight 175.44100 g/mol.

What are the upstream and downstream products of 4,4,4-Trichloro-1,2-epoxybutane?

For 4,4,4-Trichloro-1,2-epoxybutane, Upstream Products: Carbon tetrachloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4,4,4-Trichloro-1,2-epoxybutane (CAS 3083-25-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1127392-5 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.