Propene

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Propene

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C₃H₆

Propene

Physical Properties

Under solid (grey), liquid (blue) and vapor states (white) along the equilibrium curves

General properties
Solid phase
Liquid Phase
Gas Phase

(P)

log(P)

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Molecular weight

42.08
g/mol
Content in dry air

/

Critical Point

Temperature

91.7
°C
197.06 °F 364.85 K
Pressure

46
bar
4.6E6 pa 667.1733 lbf/in2 45.3985 Atm 4600 Kpa 3.4503E4 mmHg
Density

227.46
kg/m³
14.1998 lb/ft³

Triple Point

Temperature

- 185.2
°C
- 301.36 °F 87.95 K
Pressure

7.4E-9
bar
7.4E-4 pa 1.0733E-7 lbf/in2 7.3032E-9 Atm 7.4E-7 Kpa 5.5505E-6 mmHg

Pressure 1.013 bar

Melting point

- 185.26
°C
- 301.468 °F 87.89 K
Latent heat of fusion (at melting point)

69.772
kJ/kg
30.0167 Btu/lb 16.6759 kcal/kg
Solid density

/

Pressure 1.013 bar

Liquid density (at boiling point)

610.06
kg/m³
38.0847 lb/ft³
Boiling point

- 47.62
°C
- 53.716 °F 225.53 K
Latent heat of vaporization (at boiling point)

438.96
kJ/kg
188.8455 Btu/lb 104.914 kcal/kg

Pressure1.013barTemperature

Compressibility factor Z

9.8094E-1

9.8393E-1

9.8559E-1
Cp/Cv ratio γ

1.1717

1.1625

1.157
Dynamic viscosity

7.813E-5
Po
7.813 µPa.s 7.813E-6 PA.S 5.2501E-6 lb/ft/s

8.2625E-5
Po
8.2625 µPa.s 8.2625E-6 PA.S 5.5522E-6 lb/ft/s

8.5599E-5
Po
8.5599 µPa.s 8.5599E-6 PA.S 5.752E-6 lb/ft/s
Gas density at boiling point

2.358
kg/m³
1.472E-1 lb/ft³

2.358
kg/m³
1.472E-1 lb/ft³

2.358
kg/m³
1.472E-1 lb/ft³
Gas density

1.9134
kg/m³
1.1945E-1 lb/ft³

1.8083
kg/m³
1.1289E-1 lb/ft³

1.7447
kg/m³
1.0892E-1 lb/ft³
Heat capacity at constant pressure Cp

1.4643
kJ/(kg.K)
3.4998E-1 BTU/lb∙°F 1464.33 J/kg∙K 3.4998E-1 kcal/kg∙K

1.5139
kJ/(kg.K)
3.6183E-1 BTU/lb∙°F 1513.902 J/kg∙K 3.6183E-1 kcal/kg∙K

1.5482
kJ/(kg.K)
3.7002E-1 BTU/lb∙°F 1548.17 J/kg∙K 3.7002E-1 kcal/kg∙K
Heat capacity at constant volume Cv

1.2498
kJ/(kg.K)
2.9871E-1 BTU/lb∙°F 1249.786 J/kg∙K 2.9871E-1 kcal/kg∙K

1.3022
kJ/(kg.K)
3.1124E-1 BTU/lb∙°F 1302.234 J/kg∙K 3.1124E-1 kcal/kg∙K

1.338
kJ/(kg.K)
3.198E-1 BTU/lb∙°F 1338.023 J/kg∙K 3.198E-1 kcal/kg∙K
Liquid (at boiling point)/gas equivalent

318.84
mol/mol

338.23
mol/mol

349.66
mol/mol
Solubility in water

/

/

/
Specific gravity

1.48

1.48

1.48
Specific volume

5.226E-1
m³/kg
8.3712 ft³/lb

5.53E-1
m³/kg
8.8582 ft³/lb

5.732E-1
m³/kg
9.1818 ft³/lb
Thermal conductivity

14.667
mW/m∙K
8.4801E-3 Btu/ft/h/°F 1.262E-1 cal/hour∙cm∙°C 3.5055E-5 cal/s∙cm∙°C 1.4667E-2 W/(m∙K)

16.1
mW/m∙K
9.3086E-3 Btu/ft/h/°F 1.3853E-1 cal/hour∙cm∙°C 3.848E-5 cal/s∙cm∙°C 1.61E-2 W/(m∙K)

17.095
mW/m∙K
9.8839E-3 Btu/ft/h/°F 1.4709E-1 cal/hour∙cm∙°C 4.0858E-5 cal/s∙cm∙°C 1.7095E-2 W/(m∙K)
Vapor pressure

5.9304
bar
5.9304E5 pa 86.0131 lbf/in2 5.8528 Atm 593.04 Kpa 4448.1781 mmHg

9.0442
bar
9.0442E5 pa 131.175 lbf/in2 8.9259 Atm 904.42 Kpa 6783.7266 mmHg

11.6845
bar
1.1685E6 pa 169.4693 lbf/in2 11.5317 Atm 1168.45 Kpa 8764.12 mmHg

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C₃H₆

Propene

Liquid / Gas Volumes

Calculate a liquid or gas volume or a mass

Liquid Phase

At boiling point at 1.013 bar

m3(Volume)

kg(Mass)

Gas Phase

in standard conditions (1,013 bar, 15°C)

m3(Volume)

kg(Mass)

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C₃H₆

Propene

Applications

Examples of uses of this molecule in Industry and Healthcare

Electronic components

Propene is a carbon source for amorphous carbon hard masks.

Electronic components

Laboratories & Research Centers

Propene is used in calibration gas mixtures for petrochemical industry, environmental emission monitoring, industrial hygiene monitors and trace impurity analyzers.

Laboratories & Research Centers

Chemicals

Propene is the second most important feedstock for the petrochemical industry. Propene is the feedstock in the production of one of the most important polymer: polypropylene. It is also converted to propylene oxide, a precursor of propylene glycol and polyurethane, acrylonitrile, cumene, Oxo-alcohols, Isopropanol and acrylic acid.

Chemicals

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C₃H₆

Propene

Safety & Compatibility

Information to safely use this molecule

Major hazards
Material compatibility

Safety

GHS02

Flammable
GHS04

Gas under pressure

Autoignition Temperature in Air at Patm and Flammability Limits in Air at Patm and 293.15 K (except if the temperature is indicated)

Europe (according to EN1839 for Limits and EN 14522 for autoignition temperature)
- Auto-ignition temperature
  
  485
  °C
  905 °F 758.15 K
- Flash point
  
  /
- Lower flammability limit
  
  /
- Upper flammability limit
  
  /
US (according to NFPA for Limits and ASTM E659 for autoignition temperature)
- Auto-ignition temperature
  
  455
  °C
  851 °F 728.15 K
- Flash point
  
  /
- Lower flammability limit
  
  /
- Upper flammability limit
  
  /

Metals

Aluminium

Satisfactory
Brass

Not recommended
Monel

Satisfactory
Copper

Not recommended
Ferritic Steel

Satisfactory
Stainless steel

Satisfactory
Zinc

Satisfactory
Titanium

No data

Plastics

Polytetrafluoroethylene

Satisfactory
Polychlorotrifluoroethylene

Satisfactory
Polyvinylidene fluoride

Satisfactory
Polyvinyl chloride

Not recommended
significant swelling
Ethylene tetrafluoroethylene

Satisfactory
Polycarbonate

Not recommended
Polyamide

Satisfactory
Polypropylene

Satisfactory

Elastomers

Buthyl (isobutene- isoprene) rubber

Not recommended
significant swelling
Nitrile rubber NBR

Not recommended
significant swelling
Chloroprene

Not recommended
significant swelling
Silicone

Not recommended
significant swelling
Perfluoroelastomers

Satisfactory
Fluoroelastomers

Satisfactory
Neoprene

Not recommended
Polyurethane

Not recommended
Ethylene-Propylene

Not recommended
significant swelling

Lubricants

Hydrocarbon based lubricant

Not recommended
significant swelling
Fluorocarbon based lubricant

Satisfactory

Materials compatibility

Recommendations : Air Liquide has gathered data on the compatibility of gases with materials to assist you in evaluating which materials to use for a gas system. Although the information has been compiled from what Air Liquide believes are reliable sources (International Standards: Compatibility of cylinder and valve materials with gas content; Part 1- Metallic materials: ISO11114-1 (March 2012), Part 2 - Non-metallic materials: ISO11114-2 (April 2013), it must be used with extreme caution and engineering judgement. No raw data such as these can cover all conditions of concentration, temperature, humidity, impurities and aeration. It is therefore recommended that this table is only used to identify possible materials for applications at high pressure and ambient temperature. Extensive investigation and testing under the specific conditions of use need to be carried out to validate a material selection for a given application. Contact the regional Air Liquide team for expertise service.

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C₃H₆

Propene

Learn More

General information

More information

Propene is an unsaturated organic compound. It is the second simplest member of the alkene class of hydrocarbons.