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What is petroleum ether?

April 26, 2017ether Petroleum

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What is petroleum ether?

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Petroleum ether is a very flammable, volatile liquid also known as benzine. Petroleum ether is obtained by refineries during the end of the process and is part of the petroleum mixture heavier than naptha but lighter than kerosene.

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Petroleum ether, also known as benzine, X4 or Ligroin, is a group of various volatile, highly flammable, liquid hydrocarbon mixtures used chiefly as nonpolar solvents. Petroleum ether is obtained from petroleum refineries as the portion of the distillate which is intermediate between the lighter naphtha and the heavier kerosene. It has a specific gravity of between 0.6 and 0.8 depending on its composition. Benzine should not be confused with benzene. Benzine is a mixture of alkanes, e.g., pentane, hexane, and heptane, whereas benzene is a cyclic, aromatic hydrocarbon, C6H6. Likewise, petroleum ether should not be confused with the class of organic compounds called ethers, which contain the -O- functional group.