n-Butyl Alcohol
Solvent Properties

CAS 71-36-3


Physical Properties  
Molecular weight 74.12
Boiling point 117.5°C
Vapor pressure 4.4 Torr at 20°C
Freezing point -88.62°C
Refractive index 1.3993 at 20°C
Density 0.8097 g/mL (6.757 lb/gal) at 20°C
  0.8060 g/mL (6.726 lb/gal) at 25°C
Dielectric constant 17.51 at 25°C
Dipole moment 1.75 D at 25°C
Solvent group 2
Polarity index (P') 3.9
Eluotropic value on alumina 0.7
Viscosity 2.98 cP at 20°C
Surface tension 24.57 dyn/cm at 20°C
Solubility in water 7.81% at 20°C
Solubility of water in n-butyl alcohol 20.07% at 20°C
   
Regulatory and Safety Data  
DOT Proper Shipping Name Butanol
DOT Hazard Class 3, Flammable Liquid
Packing Group II
UN Identification Number UN1120
   
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) U031, F003, D001
Flash point 98°F (37°C) by closed cup
Lower explosive limit 1.4%
Upper explosive limit 11.2%
Time Weighted Average 50 ppm ACGIH

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