Phenylpropiolic acid

苯丙炔酸

Also known as: 3-Phenylpropiolic acid, 3-Phenyl-2-propynoic acid, 3-Phenylprop-2-ynoic acid, 3-Phenylpropargylic acid, Benzenepropiolic acid, 2-Propynoic acid, 3-phenyl-, 3-phenyl-2-propynoate, 3-phenyl-propiolic acid, b-phenylpropargylic acid, β-phenylpropargylic acid, phenyl-propiolic acid, Phenylpropiolic acid, 96%, Phenylpropiolic acid, 97%, Phenylpropiolic acid, 98+%, MFCD00004361, EINECS 211-285-8

CAS No.
637-44-5
Jingsj CID
J-6280-6
Molecular Formula
C9H6O2
Chinese Name
苯丙炔酸
Molecular Weight
146.143 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point135-137 °C(lit.)
Boiling Point302.6±15.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point151.0±16.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Phenylpropiolic acid?

637-44-5

What are the molecular formula and molecular weight of Phenylpropiolic acid?

C9H6O2, molecular weight 146.143 g/mol

Is Phenylpropiolic acid hazardous?

Warning

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