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Cetane vs. Octane — What's the Difference?

Cetane vs. Octane — What's the Difference?

Difference Between Cetane and Octane

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Cetane

A colorless liquid, C16H34, used as a solvent and as a performance standard for diesel fuels.

Octane

Octane is a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain.

Cetane

The aliphatic hydrocarbon C16H34 (hexadecane) used as a standard for diesel fuel.

Octane

Any of various isomeric alkanes with the formula C8H18, found in petroleum and used as a fuel and solvent.

Octane

An octane number.
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Octane

(organic compound) Any of the eighteen isomeric aliphatic hydrocarbons (C8H18) found in petroleum, especially an iso-octane 2,2,4 trimethyl-pentane; they are used as fuels and solvents.

Octane

Octane number

Octane

Any one of a group of metametric hydrocarbons (C8H18) of the methane (paraffin) series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of gasoline or ligroin.

Octane

Any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent

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