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Allene Structure

Allene

Chemical Properties

Melting point −136 °C(lit.)
Boiling point -34 °C
Density  0,647 g/cm3
vapor density  1.42 (20 °C, vs air)
vapor pressure  6795 mm Hg ( 21 °C)
refractive index  1.4169
storage temp.  2-8°C
form  Gasunderpressure:liquefiedgas
explosive limit 13%
BRN  1730774
CAS DataBase Reference 463-49-0(CAS DataBase Reference)
EPA Substance Registry System Propadiene (463-49-0)

Safety Information

Hazard Codes  F+,F
Risk Statements  12
Safety Statements  9-16-33
RIDADR  UN 2200 2.1
WGK Germany  3
17
Hazard Note  Flammable
TSCA  T
DOT Classification 2.1 (Flammable gas)
HazardClass  2.1
HS Code  2901290000
Hazardous Substances Data 463-49-0(Hazardous Substances Data)

MSDS

Usage And Synthesis

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