Names
Preferred IUPAC name: Cyclohexane
Other names
Hexanaphthene (archaic)
Identifiers
CAS Number: 110-82-7
JSmol: Interactive image
ChEBI: CHEBI:29005
ChEMBL: ChEMBL15980
ChemSpider: 7787
DrugBank: DB03561
ECHA InfoCard: 100.003.461
KEGG: C11249
PubChem: 8078
UNII: 48K5MKG32S
Properties
Chemical formula: C6H12
Molar mass: 84.16 g·mol
Appearance: Colorless liquid
Odor: gasoline
Density: 0.7781 g/mL, liquid
Melting point: 6.47 °C (43.65 °F; 279.62 K)
Boiling point: 80.74 °C (177.33 °F; 353.89 K)
Solubility in water: Immiscible
Solubility: ether
Vapor pressure: 78 mmHg (20 °C)
Magnetic susceptibility: -68.13·10 cm/mol−63
Refractive index: 1.42662
Viscosity: cP
Thermochemistry
Std enthalpy of
formation: -156 kJ/mol
Std enthalpy of
combustion: -3920 kJ/mol
Hazards
Safety data sheet: See:
EU classification:
R-phrases: R11 R38 R65 R67 R50/53
S-phrases: (S2) S9 S16 S25 S33 S60 S61 S62
NFPA 704:
Flash point: −20 °C (−4 °F; 253 K)
Autoignition
temperature: 245 °C (473 °F; 518 K)
Explosive limits: 1.3%-8%
LD
median dose: 12705 mg/kg (rat, oral)
813 mg/kg (mouse, oral)
lowest published: 17,142 ppm (mouse, 2 hr)
26,600 ppm (rabbit, 1 hr)
NIOSH
PEL: TWA 300 ppm (1050 mg/m)3
REL: TWA 300 ppm (1050 mg/m)3
IDLH: 1300 ppm
Related compounds
cycloalkanes: Cyclopentane
Related compounds: Cyclohexene
Supplementary data page
Structure and
properties: n
Thermodynamic
data: Phase behaviour
Spectral data: UV
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).
Infobox references
