3-Bromo-6-chloro-4H-chromen-4-one

Also known as: 3-Bromo-6-chlorochromone, 3-Bromo-6-chloro-4-oxo-4H-1-benzopyran, 3-bromo-6-chloro-4H-1-benzopyran-4-one, 3-bromo-6-chloro-chromen-4-one, 3-bromo-6-chlorochromen-4-one, 4H-1-Benzopyran-4-one, 3-bromo-6-chloro-, JRH-00703, 3-Bromo-6-chloro-4H-chromen-4-one, 97%

3-Bromo-6-chloro-4H-chromen-4-one (CAS 73220-38-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H4BrClO2 and a molecular weight of 259.48400 g/mol. Key properties include a melting point of 130 °C, a boiling point of 318ºC at 760 mmHg, a density of 1.835 g/cm3 and a flash point of 146.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 73220-38-9
Jingsj CID: J-1086146-8
Molecular Formula: C₉H₄BrClO₂
Molecular Weight: 259.48400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	130 °C
Boiling Point	318ºC at 760 mmHg
Density	1.835 g/cm3
Flash Point	146.1ºC
Exact Mass	257.90800
PSA	30.21000
LogP	3.20890

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 3-Bromo-6-chloro-4H-chromen-4-one?

The CAS number of 3-Bromo-6-chloro-4H-chromen-4-one is 73220-38-9.

What are the molecular formula and molecular weight of 3-Bromo-6-chloro-4H-chromen-4-one?

3-Bromo-6-chloro-4H-chromen-4-one has molecular formula C9H4BrClO2 and molecular weight 259.48400 g/mol.

What are the upstream and downstream products of 3-Bromo-6-chloro-4H-chromen-4-one?

For 3-Bromo-6-chloro-4H-chromen-4-one, Upstream Products: 1-(5-Chloro-2-hydroxyphenyl)ethanone, 1-(5-Chloro-2-methoxyphenyl)ethanone, 5-Chloro-2-methoxybenzonitrile.

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. "3-Bromo-6-chloro-4H-chromen-4-one (CAS 73220-38-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086146-8 (accessed 2026-11-09).

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