n-Butyl Acetate
Solvent Properties

CAS 123-86-4


Physical Properties  
Molecular weight 116.16
Boiling point 126.11°C
Vapor pressure 7.8 Torr at 20°C
Freezing point -73.5°C
Refractive index 1.3942 at 20°C
Density 0.8796 g/mL (7.340 lb/gal) at 20°C
  0.8764 g/mL (7.313 lb/gal) at 25°C
Dielectric constant 5.01 at 20°C
Dipole moment 1.84 D at 22°C
Solvent group 6
Polarity index (P') 4.0
Viscosity 0.74 cP at 20°C
Surface tension 25.09 dyn/cm at 20°C
Solubility in water 0.68% at 20°C
Solubility of water in n-butyl acetate 1.2% at 20°C
   
Regulatory and Safety Data  
DOT Hazard Class 3, Flammable Liquid
Packing Group II
UN Identification Number UN1123
   
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) D001
Flash point 72°F (22°C) by closed cup
Lower explosive limit 1.7%
Upper explosive limit 7.6%
Time Weighted Average 150 ppm ACGIH

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