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Propane is the most widely used commercial term to describe a family of liquefied petroleum gases (LP-gas or LPG) that also includes ethane and butane.
| Name and Formula | Ethane C2H6 | Propane C3H8 | N-butane C4H10 |
| Vapor pressure @ 100 d.F lbs/sq. in. absolute | 780.0 | 190.0 | 51.6 |
| Boiling point of liquid at atmospheric pressure-F | -127.5 | -43.7 | 31.1 |
| Weight of liquid @ 60 d.F | |||
| Pounds per gallon | 3.11 | 4.23 | 4.86 |
| Specific gravity | 0.374 | 0.508 | 0.584 |
| Gross heat of combustion | |||
| Btu per pound | 22,329 | 21,670 | 21,315 |
| Btu per cu. ft. @ 60 d.F | 1,783 | 2,558 | 3,368 |
| Btu per gallon @ 60 d.F | 69,433 | 91,044 | 103,047 |
| Flammability limits | |||
| Lower % in air | 3.0 | 2.2 | 1.9 |
| Upper % in air | 12.5 | 9.5 | 8.5 |
| Freezing point of liquid at atmospheric pressure F | -297.8 | -305.9 | -216.9 |
| Gallons per pound mol @ 60 d.F | 9.64 | 10.41 | 11.94 |
| Molecular weight | 30.07 | 44.09 | 58.12 |
Propane is a nontoxic, colorless, odorless hydrocarbon...
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This section contains 1,300 words (approx. 5 pages at 300 words per page) |
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