cetane


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cetane

a colourless insoluble liquid alkane hydrocarbon used in the determination of the cetane number of diesel fuel. Formula: C16H34

Cetane

 

(also n-hexadecane), the saturated hydrocarbon CH3(CH2)14CH3. A colorless liquid, cetane has a melting point of 18.2°C, a boiling point of 286.8°C, and a density of 0.770 g/cm3 at 25°C. Insoluble in water, it is soluble in benzene, hot absolute ethanol, ether, and other organic solvents. Cetane is produced by various methods, such as heating n-octyl bromide together with sodium (seeWURTZ REACTION). Cetane is used as a standard for measuring the quality of diesel fuel (see).

cetane

[′sē‚tān]
(organic chemistry)
n-hexadecane
References in periodicals archive ?
With regard to the calorific value and cetane number, diesel mixtures containing RBE differ only slightly from mixtures containing RME; however, the calorific value of the mixtures is as much as 2% lower than that of D, which may contribute to higher fuel consumption.
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1998) and Van Gerpen (1996), there are several problems of applying RME to be overcome (unstable cetane number depending on storage time and participating glycerol content).
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