4-Bromo-1,2-epoxybutane

Also known as: 2-(2-Bromoethyl)oxirane, (2-Bromoethyl)oxirane, 1,2-Epoxy-4-bromobutane, 3,4-epoxy-1-bromobutane, 3,4-epoxybutyl bromide, Oxirane, (2-bromoethyl)-

4-Bromo-1,2-epoxybutane (CAS 13287-42-8) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C4H7BrO and a molecular weight of 151.002 g/mol. Key properties include a boiling point of 157.0±13.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 60.1±21.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13287-42-8
Jingsj CID: J-25361-2
Molecular Formula: C₄H₇BrO
Molecular Weight: 151.002 g/mol
Category: Ethers
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	157.0±13.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	60.1±21.0 °C
Exact Mass	149.968018
PSA	12.53000
LogP	1.10
Vapor Pressure	3.6±0.3 mmHg at 25°C
Refractive Index	1.499

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-Bromo-1,2-epoxybutane?

The CAS number of 4-Bromo-1,2-epoxybutane is 13287-42-8.

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

4-Bromo-1,2-epoxybutane has molecular formula C4H7BrO and molecular weight 151.002 g/mol.

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

For 4-Bromo-1,2-epoxybutane, Upstream Products: 4-Bromo-1-butene, 1,4-Dibromo-2-butanol; Downstream Products: 4-Bromo-1-butene, Benzophenone, Benzoin.

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-Bromo-1,2-epoxybutane (CAS 13287-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25361-2 (accessed 2026-11-09).

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