Category:
Other Fine Chemicals
CAS NO:
463-49-0
Standard:
In-house Standards,
Specification
Purity,% 98.50%
1-propyne ≤ 1%
Propylene ≤ 1.5%
transportation
DOT shipping name allene
DOT classification 2.1
DOT label combustible gas
UN NO. 2200
CAS No. 463-49-0
CGA//BS41/DIN477 510/NO.4/NO.1
Transportation status Liquefied gas
Technical Information
Cylinder condition @ 21.1°C liquid
Combustion limit in air 2.1-85%
Natural temperature (°C)
Molecular weight (g/mol) 40.07
Specific gravity (air =1) 1.383
Critical temperature (°C) 120
Critical temperature (psig) 778.66
Application
Allene is the simplest member of 1,2-diene compounds. Not as stable as conjugated dienes or isolated dienes. But it is more active than isomeric methyl acetylene. Allene is mainly used for organic synthesis.