Octadecane
| Names | |
|---|---|
| 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) |
1.9·10−2 atm m3 mol−1 (est) |
Refractive index (nD) |
1.4390 at 20 °C |
| 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).
Infobox references | |
Octadecane is an alkane hydrocarbon with the chemical formula CH3(CH2)16CH3.