Methyl Isobutyl Ketone
Solvent Properties

CAS 108-10-1


Physical Properties  
Molecular weight 100.16
Boiling point 117.4°C
Vapor pressure 16 Torr at 20°C
Freezing point -84°C
Refractive index 1.3957 at 20°C
Density 0.8008 g/mL (6.683 lb/gal) at 20°C
  0.7961 g/mL (6.643 lb/gal) at 25°C
Dielectric constant 13.11 at 25°C
Solvent group 6
Polarity index (P') 4.2
Eluotropic value on alumina 0.43
Viscosity 0.58 cP at 20°C
Surface tension 23.64 dyn/cm at 20°C
Solubility in water 1.7% at 20°C
Solubility of water in methyl isobutyl ketone 1.9% at 25°C
   
Regulatory and Safety Data  
DOT Hazard Class 3, Flammable Liquid
Packing Group II
UN Identification Number UN1245
   
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) U161, D001
Flash point 64°F (18°C) by closed cup
Lower explosive limit 1.2%
Upper explosive limit 8.0%
Time Weighted Average 50 ppm ACGIH

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