Substance Information

NameAcetylene
CAS No74-86-2
EC No200-816-9
EC Index No601-015-00-0
FormulaC2H2
SMILESC#C
InChIInChI=1/C2H2/c1-2/h1-2H
Molar Heat of Combustion1255.7 kJ/mol
Vapour Density0.8989
Stoichiometric Concentration7.7325 %v
Substance TypeFlammable
State of MatterGas
Molecular Weight26.04 g/mol
Molar Volume41.844 cm3/mol
Density0.6223 g/cm3
Boiling Point192.59 K (-80.56°C)
Vapour Pressure48.702 bar (4870240 Pa)
Specific Heat Ratio1.23
Specific Heat of Combustion48.222 MJ/kg (48222 kJ/kg)
Lower Flammability Limit2.5 %v
Upper Flammability Limit80 %v
RMP Plume TypeNeutrally Buoyant
RMP Density Factor0.78 ft2/lb
RMP Gas Factor17
RMP Liquid Factor Ambient3.7276
RMP Liquid Factor Boiling0.12
RMP Pool Fire Factor4.8
AccessPublic
Created: System – Updated: Serkan GIRGIN, 2017/04/18 15:27:32

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