3,4,5-Trimethoxyphenol

3,4,5-三甲氧基苯酚

Also known as: Antiarol, 5-Hydroxy-1,2,3-trimethoxybenzene, 3,4,5-Trimethoxyphen, Phenol, 3,4,5-trimethoxy-

CAS No.
642-71-7
Jingsj CID
J-31156-6
Molecular Formula
C9H12O4
Chinese Name
3,4,5-三甲氧基苯酚
Molecular Weight
184.189 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point146-149 °C
Boiling Point313.1±37.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point143.2±26.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

642-71-7

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

C9H12O4, molecular weight 184.189 g/mol

Is 3,4,5-Trimethoxyphenol hazardous?

Warning

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