Dodecane
| Names | |
|---|---|
| Preferred IUPAC name
Dodecane | |
| Identifiers | |
3D model (JSmol) |
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| 1697175 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| DrugBank | |
| ECHA InfoCard | 100.003.607 |
| EC Number |
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| 201408 | |
| KEGG | |
| MeSH | n-dodecane |
PubChem CID |
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| RTECS number |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C12H26 | |
| Molar mass | 170.340 g·mol−1 |
| Appearance | Colorless liquid |
| Odor | Gasoline-like to odorless |
| Density | 0.7495 g mL−1 at 20 °C |
| Melting point | −10.0 to −9.3 °C; 14.1 to 15.2 °F; 263.2 to 263.8 K |
| Boiling point | 214 to 218 °C; 417 to 424 °F; 487 to 491 K |
| log P | 6.821 |
| Vapor pressure | 18 Pa (at 25 °C) |
Henry's law constant (kH) |
1.4 nmol Pa−1 kg−1 |
Refractive index (nD) |
1.421 |
| Viscosity | 1.34 mPa s |
| Thermochemistry | |
Heat capacity (C) |
376.00 J K−1 mol−1 |
Std molar entropy (S⦵298) |
490.66 J K−1 mol−1 |
Std enthalpy of formation (ΔfH⦵298) |
−353.5–−350.7 kJ mol−1 |
Std enthalpy of combustion (ΔcH⦵298) |
−7901.74 kJ mol−1 |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H304 | |
| P301+P310, P331 | |
| NFPA 704 (fire diamond) | |
| Flash point | 71 °C (160 °F; 344 K) |
| 205 °C (401 °F; 478 K) | |
| Explosive limits | 0.6% |
| Safety data sheet (SDS) | hazard.com |
| 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 | |
Dodecane (also known as dihexyl, bihexyl, adakane 12, or duodecane) is an oily liquid n-alkane hydrocarbon with the chemical formula C12H26 (which has 355 isomers).
It is used as a solvent, distillation chaser, and scintillator component. It is used as a diluent for tributyl phosphate (TBP) in nuclear reprocessing plants.