N,N-Dimethylformamide
Solvent Properties

CAS 68-12-2


Physical Properties  
Molecular weight 73.10
Boiling point 153.0C
Vapor pressure 2.7 Torr at 20C
Freezing point -60.4C
Refractive index 1.4305 at 20C
Density 0.9487 g/mL (7.917 lb/gal) at 20C
  0.9439 g/mL (7.877 lb/gal) at 25C
Dielectric constant 36.71 at 25C
Dipole moment 3.86 D at 25C
Solvent group 3
Polarity index (P') 6.4
Viscosity 0.92 cP at 20C
Surface tension 36.76 dyn/cm at 20C
Solubility in water Miscible in all proportions
   
Regulatory and Safety Data  
DOT Hazard Class 3, Flammable Liquid
Packing Group III
UN Identification Number UN2265
   
Storage Store in an area designed for flammable storage, or in an approved metal cabinet, away from direct sunlight and sources of ignition.
   
EPA applicable waste code(s) D001
Suspected Carcinogen (IARC)  
Flash point 136F (58C) by closed cup
Lower explosive limit 2.2%
Upper explosive limit 15.2%
Time Weighted Average 10 ppm ACGIH