Click for PDF
Technical Data Sheet

Chemical Synonym
  • Dibutylamine; DNBA
  • Lubricants
  • Oil or gas processing
  • Rubber modification

Product Description
Di-n-Butylamine (DNBA) is available as a colorless liquid with an ammonia-like odor.

Typical Properties

PropertyTypical Value, Units
Molecular FormulaC8H19N
Molecular Weight129.25 g/mol
AppearanceColorless liquid
Autoignition Temperature255 °C
Boiling Point160 °C
Critical Pressure25 330 hPa
Critical Temperature322.89 °C
     @ 22.9°C0.7577 g/cm3
Dissociation constant, pKa 
     @ 20°C11
Flash Point 
     Closed Cup40.5 °C
Freezing Point 
     (1013 hPa)-60 - -59 °C
Heat of Vaporizationa 
     (1013 hPa)312.19 kJ/kg
Octanol-water partition coefficient, log Pow 
     @ 25°C2.06
Surface Tension 
     @ 20°C50.6 mN/m
Vapor Density 
     (air = 1)4.5
Vapor Pressure 
     @ 20°C2.2 hPa
     @ 40°C8.2 hPa
     @ 20°C0.85 mPa·s
Water solubility 
     @ 20°C3.8 g/L


  • Bulk
  • Steel drums (155 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