Cyclopropane
- C3H6
- CAS Number 75-19-4
- UN1027 (gas)
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Liquid / Gas Volumes
Calculate the volume or mass of a quantity of gas or liquid
Liquid Phase
At boiling point at 1.013 bar
Gas Phase
In standard conditions (1.013 bar, 15°C)
Physical Properties
Molecule phase diagram showing the transition phases between solid, liquid and gas as a function of temperature and pressure
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- Molar mass 42.081 g/mol
- Content in dry air /
-
Critical Point
- Temperature 124.85 °C
- Pressure 55.4 bar
- Density 259.75 kg/m³
-
Triple Point
- Temperature -127.56 °C
- Pressure 7.796E-4 bar
Pressure 1.013 bar
Latent heat of fusion (at melting point) | 129.274 kJ/kg |
Melting point | - 127.56 °C |
Pressure 1.013 bar
Boiling point | - 31.48 °C |
Latent heat of vaporization (at boiling point) | 471.56 kJ/kg |
Liquid density (at boiling point) | 679.905 kg/m3 |
Compressibility factor Z | 9.779E-1 |
Cp/Cv ratio γ | 1.2136 |
Gas density | 1.9194 kg/m3 |
Gas/(liquid at boiling point) equivalent | 354.23 vol/vol |
Heat capacity Cp | 1.2501 kJ/(kg.K) |
Heat capacity Cv | 1.0301 kJ/(kg.K) |
Specific gravity | 1.45 |
Specific volume | 5.21E-1 m3/kg |
Thermal conductivity | 13.518 mW/(m.K) |
Vapor pressure | 3.4701 bar |
Viscosity | 8.165E-5 Po |
Compressibility factor Z | 9.8167E-1 |
Cp/Cv ratio γ | 1.1968 |
Gas density | 1.8125 kg/m3 |
Gas/(liquid at boiling point) equivalent | 375.12 vol/vol |
Heat capacity Cp | 1.3129 kJ/(kg.K) |
Heat capacity Cv | 1.097 kJ/(kg.K) |
Specific gravity | 1.45 |
Specific volume | 5.517E-1 m3/kg |
Thermal conductivity | 14.96 mW/(m.K) |
Vapor pressure | 5.4973 bar |
Viscosity | 8.6113E-5 Po |
Compressibility factor Z | 9.8371E-1 |
Cp/Cv ratio γ | 1.1869 |
Gas density | 1.7481 kg/m3 |
Gas/(liquid at boiling point) equivalent | 388.94 vol/vol |
Heat capacity Cp | 1.3567 kJ/(kg.K) |
Heat capacity Cv | 1.1431 kJ/(kg.K) |
Solubility in water | 2.769E-1 mol/mol |
Specific gravity | 1.45 |
Specific volume | 5.721E-1 m3/kg |
Thermal conductivity | 15.961 mW/(m.K) |
Vapor pressure | 7.2641 bar |
Viscosity | 8.9055E-5 Po |
Applications
Examples of uses of this molecule in Industry and Healthcare
Safety & Compatibility
GHS02
Flammable
GHS04
Gas under pressure
Autoignition Temperature, Flammability Limits & Flash Point
Europe (according to EN1839 for Limits and EN 14522 for autoignition temperature)
Autoignition temperature (Chemsafe) | 495 °C |
Lower flammability limit (IEC 80079-20-1) | 2.4 vol% |
Upper flammability limit (IEC 80079-20-1) | 10.4 vol% |
US (according to ASTM E681 for Limits and ASTM E659 for autoignition temperature)
Autoignition temperature (NFPA 325) | 498 °C |
Lower flammability limit (NFPA 325) | 2.4 vol% |
Upper flammability limit (NFPA 325) | 10.4 vol% |
Odor
Petroleum Ether
Metals
Aluminium | Satisfactory |
Brass | Satisfactory |
Monel | No data |
Copper | No data |
Ferritic Steel | Satisfactory |
Stainless steel | Acceptable |
Zinc | No data |
Titanium | No data |
Plastics
Polytetrafluoroethylene | Satisfactory |
Polychlorotrifluoroethylene | Satisfactory |
Polyvinylidene fluoride | Satisfactory |
Polyvinyl chloride | Satisfactory |
Ethylene tetrafluoroethylene | No data |
Polycarbonate | No data |
Polyamide | Satisfactory |
Polypropylene | Satisfactory |
Elastomers
Butyl (isobutene- isoprene) rubber |
Significant swelling
Not recommended
|
Nitrile rubber | Satisfactory |
Chloroprene |
Significant swelling
Not recommended
|
Chlorofluorocarbons | No data |
Silicone |
Significant swelling
Not recommended
|
Perfluoroelastomers | Satisfactory |
Fluoroelastomers | Satisfactory |
Neoprene | No data |
Polyurethane | Satisfactory |
Ethylene-Propylene |
Significant swelling
Not recommended
|
Lubricants
Hydrocarbon based lubricant |
Significant loss of mass
Not recommended
|
Fluorocarbon based lubricant | Satisfactory |
Materials compatibility
Learn More
More information
Cyclopropane was discovered in 1881 by August Freund, who also proposed the correct structure for the new substance in his first paper.