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8-methoxy-2H-chromene-3-carboxylic acid

Also known as: 8-METHOXY-2H-CHROMENE-3-CARBOXYLIC ACID, 2H-1-Benzopyran-3-carboxylic acid, 8-methoxy-, 8-methoxy-2H-chromen-3-carboxylic acid

8-methoxy-2H-chromene-3-carboxylic acid (CAS 57543-59-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H10O4 and a molecular weight of 206.19500 g/mol. Key properties include a melting point of 237-240ºC, a boiling point of 364.2ºC at 760 mmHg, a density of 1.331g/cm3 and a flash point of 145.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
57543-59-6
Jingsj CID
J-1066272-3
Molecular Formula
C11H10O4
Molecular Weight
206.19500 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point237-240ºC
Boiling Point364.2ºC at 760 mmHg
Density1.331g/cm3
Flash Point145.8ºC
Exact Mass206.05800
PSA55.76000
LogP1.55560
Refractive Index1.592

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 8-methoxy-2H-chromene-3-carboxylic acid?

The CAS number of 8-methoxy-2H-chromene-3-carboxylic acid is 57543-59-6.

What are the molecular formula and molecular weight of 8-methoxy-2H-chromene-3-carboxylic acid?

8-methoxy-2H-chromene-3-carboxylic acid has molecular formula C11H10O4 and molecular weight 206.19500 g/mol.

What are the upstream and downstream products of 8-methoxy-2H-chromene-3-carboxylic acid?

For 8-methoxy-2H-chromene-3-carboxylic acid, Upstream Products: o-Vanillin; Downstream Products: 8-Methoxy-chroman-3-carboxylic acid, 8-Methoxychroman-3-one.

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

Last updated:

How to cite: Jingsj. "8-methoxy-2H-chromene-3-carboxylic acid (CAS 57543-59-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1066272-3 (accessed 2026-11-09).

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