3,4-Dihydroxyphenylacetic acid

3,4-二羟基苯乙酸

Also known as: 3,4-Dihydroxybenzeneacetic acid, Homoprotocatechuic acid, DOPAC, Dopacetic acid, 4-Carboxymethylcatechol, 4-Carboxymethylpyrocatechol, Catechol-4-acetic acid, Pyrocatechol-4-acetic acid, 2-(3,4-Dihydroxyphenyl)acetic acid, Ba 2773

CAS No.
102-32-9
Jingsj CID
J-47982-0
Molecular Formula
C8H8O4
Chinese Name
3,4-二羟基苯乙酸
Molecular Weight
168.147 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point127-130 °C(lit.)
Boiling Point418.4±30.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point221.0±21.1 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

102-32-9

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

C8H8O4, molecular weight 168.147 g/mol

Is 3,4-Dihydroxyphenylacetic acid hazardous?

Warning

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