2,4-Dibromobutanoyl chloride

2,4-二溴丁酰氯

Also known as: 2,4-Dibromobutyryl chloride, 2,4-dibromobutanoyl chloride, Butanoyl chloride, 2,4-dibromo-, 2,4-Dibromobutyryl chloride ISO 9001:2015 REACH, 2,4-DibroMobutyryl chloride technical, ~90% (GC), EOS-60357, Bepotastine Impurity 13, Olutasidenib Impurity 11, MFCD01862994

2,4-Dibromobutanoyl chloride (CAS 82820-87-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H5Br2ClO and a molecular weight of 264.343 g/mol. It is also known as 2,4-Dibromobutyryl chloride, 2,4-dibromobutanoyl chloride and Butanoyl chloride, 2,4-dibromo-. Key properties include a boiling point of 235.5±25.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 96.2±23.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82820-87-9
Jingsj CID
J-43032-2
Molecular Formula
C4H5Br2ClO
Chinese Name
2,4-二溴丁酰氯
Molecular Weight
264.343 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point235.5±25.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point96.2±23.2 °C

GHS Safety & Compliance

Corrosion / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,4-Dibromobutanoyl chloride?

The CAS number of 2,4-Dibromobutanoyl chloride is 82820-87-9.

What are the molecular formula and molecular weight of 2,4-Dibromobutanoyl chloride?

2,4-Dibromobutanoyl chloride has molecular formula C4H5Br2ClO and molecular weight 264.343 g/mol.

Is 2,4-Dibromobutanoyl chloride hazardous?

2,4-Dibromobutanoyl chloride has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2,4-Dibromobutanoyl chloride (CAS 82820-87-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43032-2 (accessed 2026-10-22).

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