Cyclohexane

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Cyclohexane
Names
IUPAC name
Cyclohexane
Other names
Hexahydrobenzene
Hexamethylene
Hexanaphthene
Properties
C6H12
Molar mass 84.16 g/mol
Appearance Colorless liquid
Odor Gasoline-like
Density 0.7781 g/cm3
Melting point 6.47 °C (43.65 °F; 279.62 K)
Boiling point 80.74 °C (177.33 °F; 353.89 K)
0.0055 g/100 ml (25 °C)
Solubility Miscible with acetone, benzene, carbon tetrachloride, diethyl ether, ethanol, ligroin, olive oil
Vapor pressure 78 mmHg (20 °C)
Thermochemistry
-156 kJ/mol
Hazards
Safety data sheet Sigma-Aldrich
Flash point −20 °C (−4 °F; 253 K)
Lethal dose or concentration (LD, LC):
12,705 mg/kg (rat, oral)
813 mg/kg (mouse, oral)
Related compounds
Related compounds
Cyclopentane
Cycloheptane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Cyclohexane is a cycloalkane with the molecular formula C6H12.

Properties

Chemical

Cyclohexane will burn in air to release water vapor and carbon dioxide.

Physical

Cyclohexane is a colourless, flammable liquid with a distinctive detergent-like odor, reminiscent of cleaning products.

Availability

Cyclohexane is sold by chemical suppliers.

Preparation

Cyclohexane can be prepared via a Wurtz reaction of 1,6-dibromohexane.

Catalytic hydrogenation of benzene will also yield cyclohexane.

Projects

  • Organic extractions

Handling

Safety

Cyclohexane is flammable and should be handled with care. It is also harmful if inhaled, so wear proper protection.

Storage

Cyclohexane should be kept in closed bottles, in a solvent cabinet.

Disposal

Cyclohexane should be destroyed by carefully incinerating it.

References

Relevant Sciencemadness threads