Octadecane
Structural formula of octadecane
Ball-and-stick model of the octadecane molecule
Names
Preferred IUPAC name
Octadecane
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.008.902
EC Number
  • 209-790-3
MeSH C022883
UNII
  • InChI=1S/C18H38/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3-18H2,1-2H3
    Key: RZJRJXONCZWCBN-UHFFFAOYSA-N
  • InChI=1/C18H38/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3-18H2,1-2H3
    Key: RZJRJXONCZWCBN-UHFFFAOYAL
  • C(CCCCCCCCCCCCCCCC)C
Properties
C18H38
Molar mass 254.494
Appearance White crystals or powder
Odor Odorless
Density 0.777 g mL−1
Melting point 28 to 30 °C (82 to 86 °F; 301 to 303 K)
Boiling point 317 °C (603 °F; 590 K)
Vapor pressure 1 mm Hg at 119 °C
1.9X10-2 atm m3 mol−1 (est) [1]
1.4390 at 20 °C [2]
Hazards
Flash point 165 °C (329 °F; 438 K)
235 °C (455 °F; 508 K)
Related compounds
Related alkanes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Octadecane is an alkane hydrocarbon with the chemical formula CH3(CH2)16CH3.

Properties

Octadecane is distinguished by being the alkane with the lowest carbon number that is unambiguously solid at room temperature and pressure.

References

  1. ↑ US EPA; Estimation Program Interface (EPI) Suite. Ver. 4.1. Nov, 2012. Available from, as of Nov 11, 2016: http://www2.epa.gov/tsca-screening-tools
  2. ↑ "Octadecane | 593-45-3".


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