Substance Information

NameEthylene
CAS No74-85-1
EC No200-815-3
EC Index No601-010-00-3
FormulaC2H4
SMILESC=C
InChIInChI=1/C2H4/c1-2/h1-2H2
Molar Heat of Combustion1322.4 kJ/mol
Vapour Density0.9682 
Stoichiometric Concentration6.5278 %v
Substance TypeFlammable
State of MatterGas
Molecular Weight28.05 g/mol
Molar Volume49.118 cm3/mol
Density0.5711 g/cm3
Boiling Point173.47 K (-99.684°C)
Specific Heat Ratio1.24
Specific Heat of Combustion47.145 MJ/kg (47145 kJ/kg)
Lower Flammability Limit2.7 %v
Upper Flammability Limit36 %v
RMP Plume TypeNeutrally Buoyant
RMP Density Factor0.85 ft2/lb
RMP Gas Factor18
RMP Liquid Factor Boiling0.14
RMP Pool Fire Factor5.4
AccessPublic
Created: System

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