Name

Propiolic acid

CAS RN

471-25-0

EINECS

207-437-8

Molecular formula

C₃HO₂

Molecular weight

69.0394

Physicochemical properties

It is colorless liquid.
Melting point 18 ℃
Boiling point 144 ℃ (decomposition)
Relative density 1.1380
Refractive index 1.4302
Flash point 58 ℃
It is miscible with water, ethanol, ether and chloroform.

Purpose

As an intermediate of organic synthesis, methyl propionate can be synthesized with methanol under the catalysis of sulfuric acid. It is a raw material for the production of antiviral drug iodoside