1,2,4-Trichlorobenzene
Solvent Properties

CAS 120-82-1


Physical Properties  
Molecular weight 181.46
Boiling point 213.5°C
Vapor pressure 1 Torr at 20°C
Freezing point 16.9°C
Refractive index 1.5717 at 20°C
Density 1.454 g/mL (12.13 lb/gal) at 20°C
Dielectric constant 2.24 at 25°C
Solvent group 7
Solubility in water 0.0025% at 20°C
Solubility of water in 1,2,4-trichlorobenzene 0.020% at 20°C
   
Regulatory and Safety Data  
DOT Hazard Class 6.1, Keep Away From Food
Packing Group III
UN Identification Number UN2321
   
Storage Store in an area designated for toxic storage with other compatible materials. Keep away from foodstuffs.
   
EPA applicable waste code(s) Not listed. Dispose of material in an environmentally acceptable manner.
Flash point 222°F (105°C) by closed cup
Lower explosive limit 2.5%
Upper explosive limit 6.6%
Time Weighted Average 5 ppm ACGIH

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