1-Bromo-4-phenylbutan-2-one

Also known as: 1-Bromo-4-phenyl-2-butanone, 1-bromo-4-phenyl-butan-2-one, 2-Butanone, 1-bromo-4-phenyl-

1-Bromo-4-phenylbutan-2-one (CAS 31984-10-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H11BrO and a molecular weight of 227.098 g/mol. Key properties include a boiling point of 290.1±15.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 70.6±7.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31984-10-8
Jingsj CID: J-1504961-3
Molecular Formula: C₁₀H₁₁BrO
Molecular Weight: 227.098 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	290.1±15.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	70.6±7.7 °C
Exact Mass	225.999313
PSA	17.07000
LogP	2.43
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.551
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2914700090
Summary	HS: 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-4-phenylbutan-2-one?

The CAS number of 1-Bromo-4-phenylbutan-2-one is 31984-10-8.

What are the molecular formula and molecular weight of 1-Bromo-4-phenylbutan-2-one?

1-Bromo-4-phenylbutan-2-one has molecular formula C10H11BrO and molecular weight 227.098 g/mol.

What are the upstream and downstream products of 1-Bromo-4-phenylbutan-2-one?

For 1-Bromo-4-phenylbutan-2-one, Upstream Products: Benzylacetone, 3-Phenylpropanoyl chloride, (Trimethylsilyl)diazomethane; Downstream Products: Dimethyl (2-oxo-4-phenylbutyl)phosphonate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-Bromo-4-phenylbutan-2-one (CAS 31984-10-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504961-3 (accessed 2026-11-09).

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