1-Bromo-2,3-butanedione

1-溴-2,3-丁二酮

Also known as: 1-Bromobutane-2,3-dione, 2,3-Butanedione, 1-bromo-, Bromobiacetyl

1-Bromo-2,3-butanedione (CAS 5308-51-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H5BrO2 and a molecular weight of 164.985 g/mol. It is also known as 1-Bromobutane-2,3-dione, 2,3-Butanedione, 1-bromo- and Bromobiacetyl. Key properties include a boiling point of 148.3±23.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 64.5±9.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5308-51-0
Jingsj CID
J-1506621-1
Molecular Formula
C4H5BrO2
Chinese Name
1-溴-2,3-丁二酮
Molecular Weight
164.985 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point148.3±23.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point64.5±9.2 °C

Frequently Asked Questions

What is the CAS number of 1-Bromo-2,3-butanedione?

The CAS number of 1-Bromo-2,3-butanedione is 5308-51-0.

What are the molecular formula and molecular weight of 1-Bromo-2,3-butanedione?

1-Bromo-2,3-butanedione has molecular formula C4H5BrO2 and molecular weight 164.985 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Bromo-2,3-butanedione (CAS 5308-51-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506621-1 (accessed 2026-10-26).

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