Solvent Properties

CAS 67-56-1

Physical Properties  
Molecular weight 32.04
Boiling point 64.7C
Vapor pressure 97 Torr at 20C
Freezing point -97.68C
Refractive index 1.3284 at 20C
Density 0.7913 g/mL (6.603 lb/gal) at 20C
  0.7866 g/mL (6.564 lb/gal) at 25C
Dielectric constant 32.70 at 25C
Dipole moment 2.87 D at 20C
Solvent group 2
Polarity index (P') 5.1
Eluotropic value on alumina 0.95
Eluotropic value on octadecylsilane 1.0
Viscosity 0.59 cP at 20C
Surface tension 22.55 dyn/cm at 20C
Solubility in water Miscible in all proportions
Regulatory and Safety Data  
DOT Hazard Class 3, Flammable Liquid (Domestic) or Flammable Liquid and Poison (International)
Packing Group II
UN Identification Number UN1230
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) U154, F003, D001
Flash point 52F (11C) by closed cup
Lower explosive limit 6.0%
Upper explosive limit 36.0%
Time Weighted Average 200 ppm ACGIH

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