Methylcyclohexane

Methylcyclohexane (cyclohexylmethane) is an organic compound with the molecular formula is CH3C6H11. Classified as saturated hydrocarbon, it is a colourless liquid with a faint odor. Methylcyclohexane is used as a solvent. It is mainly converted in naphtha reformers to toluene. Methylcyclohexane is also used in some correction fluids (such as White-Out) as a solvent.

Methylcyclohexane
Names
Preferred IUPAC name
Methylcyclohexane
Other names
Hexahydrotoluene
Cyclohexylmethane
Toluene hexahydride
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.003.296
UNII
  • InChI=1S/C7H14/c1-7-5-3-2-4-6-7/h7H,2-6H2,1H3 Y
    Key: UAEPNZWRGJTJPN-UHFFFAOYSA-N Y
  • InChI=1/C7H14/c1-7-5-3-2-4-6-7/h7H,2-6H2,1H3
    Key: UAEPNZWRGJTJPN-UHFFFAOYAG
  • CC1CCCCC1
Properties
C7H14
Molar mass 98.189 g·mol−1
Appearance Colourless liquid
Odor faint, benzene-like
Density 0.77 g/cm3
Melting point −126.3 °C (−195.3 °F; 146.8 K)
Boiling point 101 °C (214 °F; 374 K)
0.014 g/L at 25 °C
Vapor pressure 37 mmHg (20°C)

49.3 hPa at 20.0 °C
110.9 hPa at 37.7 °C

-78.91·10−6 cm3/mol
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 severe fire hazard
GHS labelling:
Danger
H225, H302, H304, H315, H336, H410
P210, P235, P301+P310, P331, P370+P378, P403
NFPA 704 (fire diamond)
1
3
0
Flash point −4 °C (25 °F; 269 K) Closed cup
283 °C (541 °F; 556 K)
Explosive limits 1.2%-6.7%
Lethal dose or concentration (LD, LC):
2250 mg/kg (mouse, oral)
10172 ppm (mouse, 2 hr)
10,000-12,500 ppm (mouse, 2 hr)
15227 ppm (rabbit, 1 hr)
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 500 ppm (2000 mg/m3)
REL (Recommended)
 TWA 400 ppm (1600 mg/m3)
IDLH (Immediate danger)
 1200 ppm
Safety data sheet (SDS)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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