Toluene
English name: Toluene
Chinese alias: anhydrous toluene; methylbenzene
CAS RN: 108-88-3
EINECS Number: 203-625-9
Molecular formula: C7H8
Molecular weight: 92.1384
Physical and chemical properties:
Appearance and properties: colorless and transparent liquid, with an aromatic odor similar to benzene.
Melting point (°C): -94.9
Boiling point (°C): 110.6
Relative density (water=1): 0.87
Relative vapor density (air=1): 3.14
Saturated vapor pressure (kPa): 4.89 (30°C)
Combustion heat (kJ/mol): 3905.0
Critical temperature (°C): 318.6
Critical pressure (MPa): 4.11
Log value of octanol/water partition coefficient: 2.69
Flash point (°C): 4
Ignition temperature (°C): 535
Explosion upper limit % (V/V): 1.2
Lower explosion limit% (V/V): 7.0
Solubility: Insoluble in water, miscible in most organic solvents such as benzene, alcohol and ether.
Uses: used for blending gasoline composition and as the main raw material for the production of toluene derivatives, explosives, dye intermediates, drugs, etc. Widely used as organic solvents and synthetic medicines, coatings, resins, dyes, explosives and pesticides.
