Toluene
Solvent Properties

CAS 108-88-3


Physical Properties  
Molecular weight 92.14
Boiling point 110.62C
Vapor pressure 28.5 Torr at 20C
Freezing point -94.99C
Refractive index 1.4969 at 20C
Density 0.8669 g/mL (7.234 lb/gal) at 20C
  0.8623 g/mL (7.196 lb/gal) at 25C
Dielectric constant 2.38 at 25C
Dipole moment 0.31 D at 20C
Solvent group 7
Polarity index (P') 2.4
Eluotropic value on alumina 0.29
Viscosity 0.59 cP at 20C
Surface tension 28.53 dyn/cm at 20C
Solubility in water 0.052% at 25C
Solubility of water in toluene 0.033% at 25C
   
Regulatory and Safety Data  
DOT Hazard Class 3, Flammable Liquid
Packing Group II
UN Identification Number UN1294
   
Storage Store in an area designed for flammable storage, or in an approved metal cabinet, away from direct sunlight, heat and sources of ignition.
   
EPA applicable waste code(s) D001, U220, F005
Flash point 40F (4C) by closed cup
Lower explosive limit 1.1%
Upper explosive limit 7.1%
Time Weighted Average 50 ppm ACGIH