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Technical Data Sheet

Chemical Synonym
  • TNBA
  • Adhesives/sealants-B&C
  • Electronic chemicals
  • Intermediates
  • Paints & coatings
  • Pharmaceutical chemicals

Product Description
Tri-n-Butylamine (TNBA) is a clear liquid. TNBA is insoluble in water and very soluble in alcohol and ether.

Typical Properties

PropertyTypical Value, Units
Molecular FormulaC12H27N
Molecular Weight185.36 g/mol
AppearanceColorless liquid
Autoignition Temperature210 °C
Boiling Point208 °C
Critical Pressure18 240 hPa
Critical Temperature369.89 °C
     @ 20°C0.7768 g/cm3
Dissociation constant, pKa 
     @ 20°C10.95
Distillation range196-221 °C
Flash Point 
     Closed Cup75 °C
Freezing Point 
     (1013 hPa)-90 °C
Heat of Vaporizationa 
     (1013 hPa)236.97 kJ/kg
Octanol-water partition coefficient, log Pow 
     @ 25°C3.34
Surface Tension 
     @ 20°C55 mN/m
Vapor Pressure 
     @ 20°C0.18 hPa
     @ 40°C1.1 hPa
Water solubility 
     @ 20°C0.080 g/L


  • Bulk
  • Steel drums (155 kg net)
  • IBC container (760 kg net)

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

2/28/2018 11:35:39 AM