Hexadecane

Hexadecane
Structural formula of hexadecane
Ball-and-stick model of the hexadecane molecule
Names
IUPAC name
Hexadecane[1]
Other names
Cetane
Identifiers
3D model (JSmol)
1736592
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.008.072
EC Number 208-878-9
103739
MeSH n-hexadecane
Properties
C16H34
Molar mass 226.45 g·mol−1
Appearance Colourless liquid
Odor Gasoline-like to odorless
Density 0.77 g/cm3[2]
Melting point 18 °C (64 °F; 291 K)[2]
Boiling point 287 °C (549 °F; 560 K)[2]
log P 8.859
Vapor pressure < 0.1 mbar (20 °C)
43 nmol Pa−1 kg−1
-187.63·10−6 cm3/mol
1.434
Thermochemistry
499.72 J K−1 mol−1 or 2.21 J K−1 g−1
586.18 J K−1 mol−1
−458.3–−454.3 kJ mol−1
−10.7009–−10.6973 MJ mol−1
Hazards
GHS pictograms
GHS signal word WARNING
H315
Flash point 135 °C (275 °F; 408 K)[2]
215 °C (419 °F; 488 K)[2]
Related compounds
Related alkanes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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 number

Cetane is often used as a shorthand 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.

See also

References

  1. ↑ CID 11006 from PubChem
  2. 1 2 3 4 5 Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
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