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3-Hydroxy-4,5-dimethoxybenzoic acid

Also known as: 5-Hydroxy-3,4-dimethoxybenzoic acid, 3,4-Dimethoxy-5-hydroxybenzoic acid, 3,4-O-dimethylgallic acid, 5-Hydroxyveratric acid, 4,5-Dimethoxy-3-hydroxybenzoic acid

3-Hydroxy-4,5-dimethoxybenzoic acid (CAS 1916-08-1) 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. Key property: a melting point of 197-198°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1916-08-1
Jingsj CID
J-1175445-3
Molecular Formula
C9H10O5
Molecular Weight
198.17300 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point197-198°C
Exact Mass198.05300
PSA75.99000
LogP1.10760
Vapor Pressure2.91E-06mmHg at 25°C

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 3-Hydroxy-4,5-dimethoxybenzoic acid?

The CAS number of 3-Hydroxy-4,5-dimethoxybenzoic acid is 1916-08-1.

What are the molecular formula and molecular weight of 3-Hydroxy-4,5-dimethoxybenzoic acid?

3-Hydroxy-4,5-dimethoxybenzoic acid has molecular formula C9H10O5 and molecular weight 198.17300 g/mol.

What are the upstream and downstream products of 3-Hydroxy-4,5-dimethoxybenzoic acid?

For 3-Hydroxy-4,5-dimethoxybenzoic acid, Upstream Products: Gallic acid, Dimethyl sulfate, 3-Bromo-4,5-dimethoxybenzoic acid; Downstream Products: Methyl 3,4,5-trimethoxybenzoate, Methyl 3-hydroxy-4,5-dimethoxybenzoate, 3,4-Dimethoxy-5-hydroxybenzaldehyde.

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

Last updated:

How to cite: Jingsj. "3-Hydroxy-4,5-dimethoxybenzoic acid (CAS 1916-08-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1175445-3 (accessed 2026-11-09).

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