Names | |
---|---|
Preferred IUPAC name
Hexadecane[1] | |
Other names
Cetane
| |
Identifiers | |
3D model (JSmol)
|
|
1736592 | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.008.072 |
EC Number |
|
103739 | |
MeSH | n-hexadecane |
PubChem CID
|
|
UNII | |
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
C16H34 | |
Molar mass | 226.448 g·mol−1 |
Appearance | Colourless liquid |
Odor | Gasoline-like to odorless |
Density | 0.77 g/cm3[2][3] |
Melting point | 18.18 °C (64.72 °F; 291.33 K)[2] |
Boiling point | 286.9 °C (548.4 °F; 560.0 K)[2] |
log P | 8.859 |
Vapor pressure | < 0.1 mbar (20 °C) |
Henry's law
constant (kH) |
43 nmol Pa−1 kg−1 |
-187.6·10−6 cm3/mol[4] | |
Thermal conductivity | 0.140 W/(m·K)[5] |
Refractive index (nD)
|
1.4329[2] |
Viscosity | 3.03 mPa·s[6] |
Thermochemistry[7] | |
Heat capacity (C)
|
501.6 J K−1 mol−1 |
Std enthalpy of
formation (ΔfH⦵298) |
−456.1 kJ mol−1 |
Hazards | |
GHS labelling: | |
Warning | |
H315 | |
Flash point | 136 °C (277 °F; 409 K)[8] |
202 °C (396 °F; 475 K)[8] | |
Related compounds | |
Related alkanes
|
|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
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.