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1-Bromo-3-methyl-2-butanone

Also known as: bromomethyl isopropyl ketone, isopropyl bromomethyl ketone, 1-bromo-3-methylbutan-2-one, 2-bromo-1-isopropylethanone, 1-bromo-3-methylbutan-2-one

1-Bromo-3-methyl-2-butanone (CAS 19967-55-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9BrO and a molecular weight of 165.028 g/mol. Key properties include a boiling point of 164.2±13.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 56.0±7.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19967-55-6
Jingsj CID
J-47324-5
Molecular Formula
C5H9BrO
Molecular Weight
165.028 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point164.2±13.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point56.0±7.2 °C
Exact Mass163.983673
PSA17.07000
LogP1.42
Vapor Pressure2.0±0.3 mmHg at 25°C
Refractive Index1.453
Storage Conditions2-8°C

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 1-Bromo-3-methyl-2-butanone?

The CAS number of 1-Bromo-3-methyl-2-butanone is 19967-55-6.

What are the molecular formula and molecular weight of 1-Bromo-3-methyl-2-butanone?

1-Bromo-3-methyl-2-butanone has molecular formula C5H9BrO and molecular weight 165.028 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. "1-Bromo-3-methyl-2-butanone (CAS 19967-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47324-5 (accessed 2026-11-09).

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