6-chloro-4-oxo-4H-chromene-2-carboxylic acid

6-氯-4-氧代-4H-色烯-2-羧酸

Also known as: 6-chlorochromone-2-carboxylic acid, 6-chloro-4-oxo-1-benzopyran-2-carboxylic acid, 6-chloro-4-oxochromene-2-carboxylic acid, JRH-00403, MFCD00847039

6-chloro-4-oxo-4H-chromene-2-carboxylic acid (CAS 5006-45-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H5ClO4 and a molecular weight of 224.59700 g/mol. It is also known as 6-chlorochromone-2-carboxylic acid, 6-chloro-4-oxo-1-benzopyran-2-carboxylic acid and 6-chloro-4-oxochromene-2-carboxylic acid. Key properties include a melting point of 254-256ºC, a boiling point of 384.5ºC at 760 mmHg, a density of 1.612g/cm3 and a flash point of 186.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5006-45-1
Jingsj CID
J-1399878-5
Molecular Formula
C10H5ClO4
Chinese Name
6-氯-4-氧代-4H-色烯-2-羧酸
Molecular Weight
224.59700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point254-256ºC
Boiling Point384.5ºC at 760 mmHg
Density1.612g/cm3
Flash Point186.4ºC
Exact Mass223.98800
PSA67.51000
LogP2.14460
Refractive Index1.649

Customs & Trade Information

HS Code2918300090
Summary2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 6-chloro-4-oxo-4H-chromene-2-carboxylic acid?

The CAS number of 6-chloro-4-oxo-4H-chromene-2-carboxylic acid is 5006-45-1.

What are the molecular formula and molecular weight of 6-chloro-4-oxo-4H-chromene-2-carboxylic acid?

6-chloro-4-oxo-4H-chromene-2-carboxylic acid has molecular formula C10H5ClO4 and molecular weight 224.59700 g/mol.

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

Last updated:

How to cite: Jingsj. "6-chloro-4-oxo-4H-chromene-2-carboxylic acid (CAS 5006-45-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1399878-5 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.