Hexadecane

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{{#if:Gasoline-like to odorlessGasoline-like to odorlessColourless liquid773 mg mL−18.859100 Pa (at 105.3 °C)43 nmol Pa−1 kg−11.4342902923416|! style="background: #F8EABA; text-align: center;" colspan="2" | Properties
Hexadecane
Skeletal formula of hexadecane
Ball and stick model of hexadecane
IUPAC name

Hexadecane[1]

Identifiers
CAS number 544-76-3 7pxY
PubChem 11006
ChemSpider 10540 7pxY
EC number 208-878-9
MeSH n-hexadecane
ChEBI CHEBI:45296 7pxY
ChEMBL CHEMBL134994 7pxY
Beilstein Reference 1736592
Gmelin Reference 103739
Jmol-3D images Image 1
Molecular formula C16H34
Molar mass 226.44 g mol−1
Thermochemistry
Std enthalpy of
formation ΔfHo298 		−458.3–−454.3 kJ mol−1
Std enthalpy of
combustion ΔcHo298 		−10.7009–−10.6973 MJ mol−1
Standard molar
entropy So298 		586.18 J K−1 mol−1
Specific heat capacity, C 499.72 J K−1 mol−1
Hazards
GHS pictograms The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word WARNING
GHS hazard statements H315
EU classification Irritant Xi
R-phrases R38
Flash point 135 °C
Autoignition
temperature 		202 °C
Related compounds
Related alkanes
 14pxY (verify) (what is: 10pxY/10pxN?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

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.

Cetane is often used as a short-hand for cetane number, a measure of the detonation of diesel fuel. 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.

It has one of the lowest octane numbers, at <−30.[2]

See also

References

  1. ↑ "n-hexadecane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification. http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=11006&loc=ec_rcs. Retrieved 4 January 2012.
  2. ↑ Petroleum and Coal, Purdue University

External links

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ar:هيكساديكان

az:Heksadekan cs:N-hexadekan es:Hexadecano fa:هگزادکان fr:Cétane id:Heksadekana nl:Hexadecaan ja:ヘキサデカン pl:Heksadekan pt:Cetano ru:Гексадекан fi:Heksadekaani sv:Hexadekan uk:Гексадекан zh:十六烷


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