1-(4-Bromo-3-methylphenyl)ethanone

Also known as: 4'-Bromo-3'-methylacetophenone, 3-Methyl-4-bromoacetophenone, 4-Bromo-3-methylacetophenone, Fluralaner-003, Fluralaner Impurity 29, NSC 405623, Ethanone, 1-(4-bromo-3-methylphenyl)-

1-(4-Bromo-3-methylphenyl)ethanone (CAS 37074-40-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H9BrO and a molecular weight of 213.07100 g/mol. Key properties include a melting point of 31-32 ºC, a boiling point of 157-159 ºC (19 Torr), a density of 1.388g/cm3 and a flash point of 88.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 37074-40-1
Jingsj CID: J-28553-0
Molecular Formula: C₉H₉BrO
Molecular Weight: 213.07100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	31-32 ºC
Boiling Point	157-159 ºC (19 Torr)
Density	1.388g/cm3
Flash Point	88.8ºC
Exact Mass	211.98400
PSA	17.07000
LogP	2.96010
Refractive Index	1.5765 (589.3 nm 20 ºC)
Additional Property	Very slightly soluble (0.45 g/L) (25 ºC)

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-(4-Bromo-3-methylphenyl)ethanone?

The CAS number of 1-(4-Bromo-3-methylphenyl)ethanone is 37074-40-1.

What are the molecular formula and molecular weight of 1-(4-Bromo-3-methylphenyl)ethanone?

1-(4-Bromo-3-methylphenyl)ethanone has molecular formula C9H9BrO and molecular weight 213.07100 g/mol.

What are the upstream and downstream products of 1-(4-Bromo-3-methylphenyl)ethanone?

For 1-(4-Bromo-3-methylphenyl)ethanone, Upstream Products: 1-(4-Amino-3-methylphenyl)ethanone, 4-Bromo-3-methylbenzoic acid, 4-Bromo-3-methylbenzaldehyde; Downstream Products: 4-Bromoisophthalic acid, 4-Bromo-3-methylbenzoic acid.

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-(4-Bromo-3-methylphenyl)ethanone (CAS 37074-40-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28553-0 (accessed 2026-11-09).

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