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2-Hydroxy-4,6-dimethoxybenzoic acid

2-羟基-4,6-二甲氧基苯甲酸

Also known as: 2,4-Dimethoxy-6-hydroxybenzoic acid, 4,6-Dimethoxy-2-hydroxybenzoic acid, 4,6-Dimethoxysalicylic acid, Benzoic acid, 2-hydroxy-4,6-dimethoxy-, NSC 151975, MFCD00013977

2-Hydroxy-4,6-dimethoxybenzoic acid (CAS 3187-19-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O5 and a molecular weight of 198.17300 g/mol. It is also known as 2,4-Dimethoxy-6-hydroxybenzoic acid, 4,6-Dimethoxy-2-hydroxybenzoic acid and 4,6-Dimethoxysalicylic acid. Key properties include a melting point of 160-162ºC, a boiling point of 371ºC at 760mmHg, a density of 1.335g/cm3 and a flash point of 151.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3187-19-7
Jingsj CID
J-34243-6
Molecular Formula
C9H10O5
Chinese Name
2-羟基-4,6-二甲氧基苯甲酸
Molecular Weight
198.17300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point160-162ºC
Boiling Point371ºC at 760mmHg
Density1.335g/cm3
Flash Point151.1ºC
Exact Mass198.05300
PSA75.99000
LogP1.10760
Refractive Index1.566

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 2-Hydroxy-4,6-dimethoxybenzoic acid?

The CAS number of 2-Hydroxy-4,6-dimethoxybenzoic acid is 3187-19-7.

What are the molecular formula and molecular weight of 2-Hydroxy-4,6-dimethoxybenzoic acid?

2-Hydroxy-4,6-dimethoxybenzoic acid has molecular formula C9H10O5 and molecular weight 198.17300 g/mol.

What are the upstream and downstream products of 2-Hydroxy-4,6-dimethoxybenzoic acid?

For 2-Hydroxy-4,6-dimethoxybenzoic acid, Upstream Products: 3,5-Dimethoxyphenol, Carbon dioxide, Potassium hydrogen carbonate.

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

Last updated:

How to cite: Jingsj. "2-Hydroxy-4,6-dimethoxybenzoic acid (CAS 3187-19-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34243-6 (accessed 2026-10-28).

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