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4-bromo-3-methylbenzoyl chloride

Also known as: benzoyl chloride, 4-bromo-3-methyl-, 3-methyl-4-bromobenzoyl chloride, 4-bromo-3-methyl-benzoyl chloride, 4-brom-3-methyl-benzoylchlorid, 4-bromo 3-methyl benzoyl chloride, 4-BROMO-3-METHYLBENZOYL CHLORIDE, Benzoyl chloride,4-bromo-3-methyl-

4-bromo-3-methylbenzoyl chloride (CAS 21900-25-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H6BrClO and a molecular weight of 233.49000 g/mol. Key properties include a melting point of 27-28ºC, a boiling point of 145ºC 20mm, a density of 1.574g/cm3 and a flash point of 121.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21900-25-4
Jingsj CID
J-5764-7
Molecular Formula
C8H6BrClO
Molecular Weight
233.49000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point27-28ºC
Boiling Point145ºC 20mm
Density1.574g/cm3
Flash Point121.2ºC
Exact Mass231.92900
PSA17.07000
LogP3.13650
Vapor Pressure0.00472mmHg at 25°C
Refractive Index1.575

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-bromo-3-methylbenzoyl chloride?

The CAS number of 4-bromo-3-methylbenzoyl chloride is 21900-25-4.

What are the molecular formula and molecular weight of 4-bromo-3-methylbenzoyl chloride?

4-bromo-3-methylbenzoyl chloride has molecular formula C8H6BrClO and molecular weight 233.49000 g/mol.

What are the upstream and downstream products of 4-bromo-3-methylbenzoyl chloride?

For 4-bromo-3-methylbenzoyl chloride, Downstream Products: tert-butyl 4-bromo-3-methylbenzoate, 4-Bromo-3-methylbenzohydrazide.

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

Last updated:

How to cite: Jingsj. "4-bromo-3-methylbenzoyl chloride (CAS 21900-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5764-7 (accessed 2026-11-09).

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