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Names | |
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Preferred IUPAC name
Octadecane | |
Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.008.902 |
EC Number |
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MeSH | C022883 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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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 |
Henry's law
constant (kH) |
1.9X10-2 atm m3 mol−1 (est) [1] |
Refractive index (nD)
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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
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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
- ^ 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
- ^ "Octadecane | 593-45-3".
External links