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propane |
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propane, CH3CH2CH3, colorless, gaseous alkane alkane (ăl`kān), any of a group of aliphatic hydrocarbons whose molecules contain only single bonds (see chemical bond ). ..... Click the link for more information. . It is readily liquefied by compression and cooling. It melts at −189.9°C; and boils at −42.2°C;. Propane occurs in nature in natural gas and (in dissolved form) in crude oil; it is also a byproduct of petroleum refining. It is used chiefly as a fuel. For this purpose it is sold compressed in cylinders of various sizes, often mixed with other hydrocarbons, e.g., butane. Propane fuel is used in a type of cigarette lighter and in portable stoves and lamps. propaneColourless, easily liquefied hydrocarbon gas (C3H8 or, more fully, CH3CH2CH3). Separated in large quantities from natural gas, light crude oil, and oil-refinery gases, it is available as liquefied propane or as a major constituent of liquefied petroleum gas (LPG). It is an important raw material for the manufacture of ethylene and for the petrochemical industry. It is also used as a refrigerant, extractant, solvent, aerosol propellant, and fuel for portable cooking appliances, torches, and lighters. propane a colourless flammable gaseous alkane found in petroleum and used as a fuel. Formula: CH3CH2CH3 propane [′prō‚pān] (organic chemistry) CH3CH2CH3A heavy, colorless, gaseous petroleum hydrocarbon gas of the paraffin series; boils at -44.5°C; used as a solvent, refrigerant, and chemical intermediate. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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You may know of propane as the gas that fires up camp stoves or fuels outdoor grills. For decades, scientists have been puzzled by periodic findings of ethane and propane in sediments that they've pulled from deep below the ocean floor. Although propane prices began dropping some in the first weeks of early fall, they are still at levels at least 20 cents higher than last year, says John Cripe, energy analyst with Growmark regional cooperative based in Bloomington, Ill. |
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