6-chlorochromone

Also known as: 6-chloro-4H-chromen-4-one, 6-chloro-1-benzopyran-4-one, 4H-1-Benzopyran-4-one, 6-chloro-

6-chlorochromone (CAS 33533-99-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H5ClO2 and a molecular weight of 180.58800 g/mol. Key properties include a melting point of 136-138 °C(lit.), a boiling point of 290.9ºC at 760mmHg, a density of 1.399g/cm3 and a flash point of 133.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33533-99-2
Jingsj CID: J-22011-1
Molecular Formula: C₉H₅ClO₂
Molecular Weight: 180.58800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	136-138 °C(lit.)
Boiling Point	290.9ºC at 760mmHg
Density	1.399g/cm3
Flash Point	133.8ºC
Exact Mass	179.99800
PSA	30.21000
LogP	2.44640
Refractive Index	1.608

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 6-chlorochromone?

The CAS number of 6-chlorochromone is 33533-99-2.

What are the molecular formula and molecular weight of 6-chlorochromone?

6-chlorochromone has molecular formula C9H5ClO2 and molecular weight 180.58800 g/mol.

What are the upstream and downstream products of 6-chlorochromone?

For 6-chlorochromone, Upstream Products: 2-Hydrazinylpyridine dihydrochloride, 6-Chloro-4-chromanone, 1-(5-Chloro-2-hydroxyphenyl)ethanone; Downstream Products: 6-Chloroflavone, 4-chloro-2-(isoxazol-5-yl)phenol, 6-chloro-4-hydroxycoumarin.

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. "6-chlorochromone (CAS 33533-99-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22011-1 (accessed 2026-11-09).

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