4,5,7-Trihydroxycoumarin

Also known as: 4,5,7-Trihydroxy-2H-chromen-2-one, 2,5,7-Trihydroxychromen-4-one, 2,5,7-trihydroxy-1-benzopyran-4-one, 2H-1-Benzopyran-2-one,4,5,7-trihydroxy-, 4,5,7-trihydroxychromen-2-one, 4,5-7-trihydroxy-2h-1-benzopyran-2-on

4,5,7-Trihydroxycoumarin (CAS 17575-26-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H6O5 and a molecular weight of 194.14100 g/mol. Key properties include a boiling point of 443.9ºC at 760mmHg, a density of 1.782g/cm3 and a flash point of 188.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17575-26-7
Jingsj CID: J-1503991-5
Molecular Formula: C₉H₆O₅
Molecular Weight: 194.14100 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	443.9ºC at 760mmHg
Density	1.782g/cm3
Flash Point	188.4ºC
Exact Mass	194.02200
PSA	90.90000
LogP	0.90980
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.767

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4,5,7-Trihydroxycoumarin?

The CAS number of 4,5,7-Trihydroxycoumarin is 17575-26-7.

What are the molecular formula and molecular weight of 4,5,7-Trihydroxycoumarin?

4,5,7-Trihydroxycoumarin has molecular formula C9H6O5 and molecular weight 194.14100 g/mol.

What are the upstream and downstream products of 4,5,7-Trihydroxycoumarin?

For 4,5,7-Trihydroxycoumarin, Upstream Products: Phloroglucinol; Downstream Products: Wedelolactone, Demethylwedelolactone.

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. "4,5,7-Trihydroxycoumarin (CAS 17575-26-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503991-5 (accessed 2026-11-09).

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