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Cyclohexane facts for kids

Kids Encyclopedia Facts
Cyclohexane
Cyclohexane-2D-skeletal.svg
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Other names Hexanaphthene (archaic)
Identifiers
CAS number 110-82-7
PubChem 8078
DrugBank DB03561
KEGG C11249
ChEBI CHEBI:29005
SMILES C1CCCCC1
Properties
Molecular formula C6H12
Molar mass 84.16 g mol-1
Appearance Colorless liquid
Odor Sweet, gasoline-like
Density 0.7781 g/mL, liquid
Melting point

6.47 °C, 280 K, 44 °F

Boiling point

80.74 °C, 354 K, 177 °F

Solubility in water Immiscible
Solubility Soluble in ether, alcohol, acetone
Miscible with olive oil
Vapor pressure 78 mmHg (20 °C)
-68.13·10−6 cm3/mol
Refractive index (nD) 1.42662
Viscosity 1.02 cP at 17 °C
Thermochemistry
Std enthalpy of
formation ΔfHo298
-156 kJ/mol
Std enthalpy of
combustion ΔcHo298
-3920 kJ/mol
Hazards
EU classification Flammable F Template:Hazchem Xn Dangerous for the Environment (Nature) N
NFPA 704

NFPA 704.svg

3
1
0
 
R-phrases R11, R38, R65, R67, R50/53
S-phrases (S2), S9, S16, S25, S33, S60, S61, S62
Explosive limits 1.3%-8%
U.S. Permissible
exposure limit (PEL)
TWA 300 ppm (1050 mg/m3)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Cyclohexane is the cycloalkane molecule with the formula C6H12, with 6 carbon atoms connected to each other in a ring shape, and each connected to two hydrogen atoms. It is used when making adipic acid and caprolactam, which can them be used to make nylon. It has no color and is flammable.

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