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3,4-Dibromo-2-butanone

Also known as: 1,2-Dibromo-3-butanone, 2-Butanone, 3,4-dibromo-, 3,4-Dibromobutan-2-one, 1,2-Dibromoethylmethyl ketone, Dibromoketone

3,4-Dibromo-2-butanone (CAS 25109-57-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H6Br2O and a molecular weight of 229.89800 g/mol. Key properties include a boiling point of 225.6ºC at 760mmHg, a density of 1.941g/cm3 and a flash point of 94.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25109-57-3
Jingsj CID
J-1055065-9
Molecular Formula
C4H6Br2O
Molecular Weight
229.89800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point225.6ºC at 760mmHg
Density1.941g/cm3
Flash Point94.7ºC
Exact Mass227.87900
PSA17.07000
LogP1.73380
Vapor Pressure0.0855mmHg at 25°C
Refractive Index1.52

Customs & Trade Information

HS Code2914700090
SummaryHS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,4-Dibromo-2-butanone?

The CAS number of 3,4-Dibromo-2-butanone is 25109-57-3.

What are the molecular formula and molecular weight of 3,4-Dibromo-2-butanone?

3,4-Dibromo-2-butanone has molecular formula C4H6Br2O and molecular weight 229.89800 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Dibromo-2-butanone (CAS 25109-57-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055065-9 (accessed 2026-11-09).

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