**** Identification ****Name: Propiolic acidd
Synonyms: 2-Propynoic acid; Acetylenecarboxylic acid; Propargylic acid
Molecular Structure:

Molecular Formula: C3H2O2
Molecular Weight: 70.05
CAS Number: 471-25-0
EINECS: 207-437-8
**** Properties ****Density: 1.138
Melting point: 16°C
Boiling point: 102°C (200 mmHg)
Refractive index: 1.4315-1.4335
Flash point: 58°C
Water solubility: miscible
**** Safety Data ****Hazard Symbols:

T
DetailsRisk Codes: R25;R34
DetailsSafety Description: S24/25;S45
DetailsTransport Information: UN 2920