3,4,5-Trimethoxybenzoic acid

3,4,5-三甲氧基苯甲酸

Also known as: Trimethylgallic acid, 3,4,5-Trimethoxy-benzoic acid, Benzoic acid, 3,4,5-trimethoxy-, Eudesmic acid, Gallic acid trimethyl ether, Tri-O-methylgallic acid

CAS No.
118-41-2
Jingsj CID
J-27980-6
Molecular Formula
C10H12O5
Chinese Name
3,4,5-三甲氧基苯甲酸
Molecular Weight
212.199 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point168-171 °C(lit.)
Boiling Point376.3±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point128.8±20.0 °C

Frequently Asked Questions

What is the CAS number of 3,4,5-Trimethoxybenzoic acid?

118-41-2

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

C10H12O5, molecular weight 212.199 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026