o-Dichlorobenzene
Solvent Properties

CAS 95-50-1


Physical Properties  
Molecular weight 147.00
Boiling point 180.48°C
Vapor pressure 1.2 Torr at 20°C
Freezing point -17.01°C
Refractive index 1.5514 at 20°C
Density 1.3058 g/mL (10.897 lb/gal) at 20°C
  1.3003 g/mL (10.851 lb/gal) at 25°C
Dielectric constant 9.93 at 25°C
Dipole moment 2.14 D at 20°C
Solvent group 7
Polarity index (P') 2.7
Viscosity 1.32 cP at 25°C
Surface tension 26.84 dyn/cm at 20°C
Solubility in water 0.016% at 25°C
Solubility of water in o-dichlorobenzene 0.31% at 25°C
   
Regulatory and Safety Data  
DOT Hazard Class 6.1, Keep Away From Food
Packing Group III
UN Identification Number UN1591
   
Storage Store in an area designated for toxic storage with other compatible materials. Keep away from foodstuffs.
   
EPA applicable waste code(s) U070, F002
Flash point 151°F (66°C) by closed cup
Lower explosive limit 2.2%
Upper explosive limit 9.2%
Time Weighted Average 25 ppm ACGIH
Special hazard Toxic and corrosive gases are formed when heated to decomposition or ignited.
 

* Various manufacturers indicate that flammability ranges do exist

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