Category:
Other Fine Chemicals
CAS NO:
689-97-4
Standard:
In-house Standards,
Specification
Purity,% 99.5
Liquid phase (Vol. %)
Allene ≤ 0.07%
Propyne ≤ 0.12%
Ethyl acetylene ≤ 0.035%
transportation
DOT shipping name vinyl acetylene
DOT classification 2.1
DOT label Compressible gas, flammable
UN NO. UN 1954
CAS No. 689-97-4
CGA/BS341/DIN477 510/NO.4/NO.1
Technical Information
Cylinder condition @ 21.1°C gas
Combustion limit in air 2.2-31.7%
Natural temperature (°C)
Molecular weight (g/mol) 52.075
Specific gravity (air =1) 1.798
Critical temperature (°C) 180.85
Critical temperature (psig) 690.18
Application
Used in the synthesis of chloroprene rubber and other organic synthesis.