4-Hydroxyphenylacetic acid

对羟基苯乙酸

Also known as: p-Hydroxyphenylacetic acid, 4-Hydroxybenzeneacetic acid, 2-(4-Hydroxyphenyl)acetic acid, (4-Hydroxyphenyl)acetic acid, (p-hydroxyphenyl)acetic acid, 4-carboxymethylphenol, NSC 27460, PHPA

CAS No.
156-38-7
Jingsj CID
J-29539-8
Molecular Formula
C8H8O3
Chinese Name
对羟基苯乙酸
Molecular Weight
152.147 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point148-151 °C(lit.)
Boiling Point346.6±17.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point177.6±17.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Hydroxyphenylacetic acid?

156-38-7

What are the molecular formula and molecular weight of 4-Hydroxyphenylacetic acid?

C8H8O3, molecular weight 152.147 g/mol

Is 4-Hydroxyphenylacetic acid hazardous?

Warning

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