Acetylene - Thermophysical Properties
Chemical, Physical and Thermal Properties of Acetylene.
Acetylene is a colorless gas widely used as a fuel and a chemical building block. Acetylene is unstable in its purest form. Acetylene is odorless but commercial products normally have a marked odor.
Chemical, physical and thermal properties of Acetylene (Ethyne) - C2H2:
|Specific Volume (ft3/lb, m3/kg)||14.9, 0.93|
|Density of liquid at atmospheric pressure (lb/ft3, kg/m3)||43.0, 693|
|Absolute Viscosity (lbm/ft s, centipoises)||6.72 10-6, 0.01|
|Sound velocity in gas (m/s)||343|
|Specific Heat - cp - (Btu/lboF or cal/goC, J/kgK)||0.40, 1674|
|Specific Heat Ratio - cp/cv||1.25|
|Gas constant - R - (ft lb/lboR, J/kgoC)||59.3, 319|
|Thermal Conductivity (Btu/hr ft oF, W/moC)||0.014, 0.024|
|Boiling Point - saturation pressure 14.7 psia and 760 mm Hg - (oF, oC)||-103, -75|
|Latent Heat of Evaporation at boiling point (Btu/lb, J/kg)||264, 614000|
|Freezing or Melting Point at 1 atm (oF, oC)||-116, -82.2|
|Latent Heat of Fusion (Btu/lb, J/kg)||23, 53500|
|Critical Temperature (oF, oC)||97.1, 36.2|
|Critical Pressure (psia, MN/m2)||907, 6.25|
|Heat of combustion (Btu/ft3, Btu/lb, kJ/kg)||1450, 21600, 50200|
- values at 25oC (77oF, 298 K) and atmospheric pressure
See also more about atmospheric pressure, and STP - Standard Temperature and Pressure & NTP - Normal Temperature and Pressure,
as well as Thermophysical properties of: Acetone, Air, Ammonia, Argon, Benzene, Butane, Carbon dioxide, Carbon monoxide, Ethane, Ethanol, Ethylene, Helium, Hydrogen, Hydrogen sulfide, Methane, Methanol, Nitrogen, Oxygen, Pentane, Propane, Toluene, Water and Heavy water, D2O.