Cetane

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cetane

Common name for n-hexadecane, C16H34, a large alkane with good ignition quality, which is used as a diesel fuel.

The cetane number of a fuel is a measure of the quality of a diesel fuel; it is defined as being the fraction of cetane in a blend of cetane and a less reactive compound that would have the same ignition quality as the fuel in question.
See alkanes, octane.

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