Decane sample with its original bottle.
| IUPAC name
| Systematic IUPAC name
| Other names
|Molar mass||142.29 g/mol|
|Appearance||Colorless viscous liquid|
|Density|| 0.730 g/cm3 (20 °C)|
0.7255 g/cm3 (25 °C)
|Melting point||−29.7 °C (−21.5 °F; 243.5 K)|
|Boiling point||174.2 °C (345.6 °F; 447.3 K)|
| 0.9·10-6 g/100 ml (20 °C)|
5.2·10-6 g/100 ml (25 °C)
|Solubility|| Miscible with ethanol, halocarbons, hydrocarbons|
Slightly soluble in CCl4
|Solubility in salt water||8.7·10-6 g/100 ml (20 °C)|
|Vapor pressure||0.195 kPa (at 25 °C)|
Std enthalpy of
|Safety data sheet||ScienceLab|
|Flash point||46 °C (115 °F; 319 K)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Decane or n-decane is an organic chemical compound with the chemical formula C10H22. It is a straight-chain hydrocarbon, which appears as a thin liquid with a viscosity similar to water.
Decane will burn in air in the presence of an ignition source, releasing carbon dioxide, water and soot.
- C10H22 + 21/2 O2 → 10 CO2 + 11 H2O
Decane is a colorless liquid, insoluble in water, but miscible with other organic solvents. It has a very weak odor, described by some as being petroleum or bitumen-like. Decane boils at around 174 °C and freezes close to −30 °C.
Decane can be extracted from various petroleum solvents, such as Stoddard solvent (which contains a mixture of aliphatic and alicyclic C7 to C12 hydrocarbons), via fractional distillation, though you need a large amount of Stoddard solvent to obtain any useful amount of n-decane.
Decane can also be purchased from chemical suppliers.
Decane is best purchased or extracted from petroleum products than prepared.
Complete reduction of caproic acid will yield n-decane.
- Organic extractions
- Make halodecanes
Decane is toxic if consumed, but generally it's quite harmless. Due to its high boiling point, it gives off few vapors, though if heated the amount of vapors will increase, which may irritate the eyes on contact. Decane is flammable and will ignite in the presence of an ignition source, though due to its high flash point, it needs to be preheated first.
In high concentrations, n-decane vapors may have slight narcotic effects.
Decane should be stored in closed bottles, away from any heat source. Due to its high boiling point, very little will evaporate over the years, so it's not necessary to use a special storage bottle or a bottle with a PTFE seal cap.
Decane can be mixed with a more flammable solvent and safely burned outside.
Relevant Sciencemadness threads
No threads so far. Why not start one?