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Hexadecane
Chemical compound From Wikipedia, the free encyclopedia
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Hexadecane (also called cetane) is an alkane hydrocarbon with the chemical formula C16H34. Hexadecane consists of a chain of 16 carbon atoms, with three hydrogen atoms bonded to the two end carbon atoms, and two hydrogens bonded to each of the 14 other carbon atoms. Isohexadecane is a branch chained isomer of hexadecane.[9]
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Cetane number
Cetane is often used as a shorthand for cetane number, a measure of the combustion of diesel fuel.[10] Cetane ignites very easily under compression; for this reason, it is assigned a cetane number of 100, and serves as a reference for other fuel mixtures.[11]
Hexadecyl radical
Hexadecyl, or cetyl, is an alkyl radical of carbon and hydrogen derived from hexadecane, with formula C16H33 and with mass 225.433,[12] occurring especially in cetyl alcohol.[13] It confers strong hydrophobicity on molecules containing it.[14] Carboplatin modified with hexadecyl and polyethylene glycol has increased liposolubility and PEGylation, and is proposed to useful in chemotherapy, specifically non-small-cell lung cancer.[15]
Hexadecyl was used from 1982 for radiolabelling,[16] and this continues to be useful,[17] for example for radiolabelling exosomes and hydrogels,[18] and for positron emission tomography.[19]
Hexadecyl platelet-activating factor has profound effects on the lung,[20] and hexadecyl glyceryl ether participates in the biosynthesis of plasmalogens.[21]
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