Substance Information

Name2-Butene
CAS No107-01-7
EC No203-452-9
EC Index No601-012-00-4
FormulaC4H8
SMILESCC=CC
InChIInChI=1/C4H8/c1-3-4-2/h3-4H,1-2H3
Molar Heat of Combustion2530.6 kJ/mol
Vapour Density1.9368
Stoichiometric Concentration3.374 %v
Substance TypeFlammable
State of MatterGas
Molecular Weight56.11 g/mol
Molar Volume89.007 cm3/mol
Density0.6304 g/cm3
Boiling Point275.39 K (2.2425°C)
Specific Heat Ratio1.1
Specific Heat of Combustion45.1 MJ/kg (45100 kJ/kg)
Lower Flammability Limit1.7 %v
Upper Flammability Limit9.7 %v
RMP Plume TypeDense
RMP Density Factor0.77 ft2/lb
RMP Gas Factor24
RMP Liquid Factor Boiling0.14
RMP Flash Fraction Factor0.12
RMP Pool Fire Factor5.6
AccessPublic
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