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.
Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
Chemical, physical and thermal properties of acetone, also called 2-propanone, dimethyl ketone and pyroacetic acid. Phase diagram included.
Chemical, physical and thermal properties of benzene, also called benzol. Phase diagram included.
Heat of combustion (energy content) for som common substances - with examples how to calculate heat of combustion.
Chemical, Physical and Thermal Properties of Ethane - C2H6.
Chemical, physical and thermal properties of ethylene, also called ethene, acetene and olefiant gas. Phase diagram included.
Adiabatic flame temperatures for common fuel gases - propane, butane, acetylene and more - in air or oxygen atmospheres.
Combustion heat values for gases like acetylene, blast furnace gas, ethane, biogas and more - Gross and Net values.
Flame and explosion limits for gases like propane, methane, butane, acetylene and more.
Gross heat and net heat values for gases like hydrogen, methane and more.
Chemical, physical and thermal properties of pentane, also called n-pentane. Phase diagram included.