4-bromo-1,2-butanediol

4-溴-1,2-丁二醇

Also known as: 1,2-Butanediol, 4-bromo-, 4-bromobutane-1,2-diol, 4-bromobutan-1,2-diol, rac-3,4-dihydroxybutyl bromide, 3,4-dihydroxy-1-butyl bromide, 3,4-dihydroxybutyl-1-bromide

4-bromo-1,2-butanediol (CAS 33835-83-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H9BrO2 and a molecular weight of 169.01700 g/mol. It is also known as 1,2-Butanediol, 4-bromo-, 4-bromobutane-1,2-diol and 4-bromobutan-1,2-diol. Key properties include a boiling point of 288.8ºC at 760mmHg, a density of 1.638g/cm3 and a flash point of 128.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33835-83-5
Jingsj CID
J-1411479-7
Molecular Formula
C4H9BrO2
Chinese Name
4-溴-1,2-丁二醇
Molecular Weight
169.01700 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point288.8ºC at 760mmHg
Density1.638g/cm3
Flash Point128.5ºC

Frequently Asked Questions

What is the CAS number of 4-bromo-1,2-butanediol?

The CAS number of 4-bromo-1,2-butanediol is 33835-83-5.

What are the molecular formula and molecular weight of 4-bromo-1,2-butanediol?

4-bromo-1,2-butanediol has molecular formula C4H9BrO2 and molecular weight 169.01700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-bromo-1,2-butanediol (CAS 33835-83-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411479-7 (accessed 2026-10-26).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.