o-Xylene
Solvent Properties

CAS 95-47-6


Physical Properties  
Molecular weight 106.17
Boiling point 144.41C
Vapor pressure 6 Torr at 20C
Freezing point -25.18C
Refractive index 1.5054 at 20C
Density 0.8802 g/mL (7.346 lb/gal) at 20C
  0.8760 g/mL (7.311 lb/gal) at 25C
Dielectric constant 2.57 at 20C
Dipole moment 0.45 D at 25C
Solvent group 7
Polarity index (P') 2.5
Eluotropic value on alumina 0.26
Viscosity 0.81 cP at 20C
Surface tension 30.03 dyn/cm at 20C
Solubility in water 0.018% at 25C
   
Regulatory and Safety Data  
DOT Hazard Class 3, Flammable Liquid
Packing Group II
UN Identification Number UN1307
   
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) U239, D001
Flash point 90F (32C) by closed cup
Lower explosive limit 0.9%
Upper explosive limit 6.7%
Time Weighted Average 100 ppm ACGIH