Formula
C3H8
Boiling Point
-44 F
Specific Gravity of Vapor (air = 1.00)
1.50
Specific Gravity of Liquid (water = 1.00)
.504
Lbs. per Gallon of Liquid at 60°F
4.20
BTU per Gallon of Gas at 60°F
91,502
BTU per Lb. of Gas
21,548
BTU per Cu. Ft. of Gas at 60°F
2,488
Cu. Ft. of Vapor per Gallon of Liquid at 60°F
36.38
Cu. Ft. of Vapor per Lb. of Liquid at 60°F
8.66
Latent Heat of Vaporization at Boiling Point BTU/Gallon
773.0
Cu. Ft. Air Required to Burn 1 Cu. Ft. Gas
23.86
Flash Point
- 156 F
Octane Number (ISO-Octane = 100)
over 100

Read a study comparing propane and geothermal residential heating in the midwest.


For more information on propane visit www.propane101.com

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