Diethanolamine is an amine with alcohol and amine characteristics used in detergents, personal care products, urethane foams, cement grinding aids, and in the manufacture of various amine compounds. Building block in the manufacture of triazine based corrosion inhibitors.


Molar Weight105.137 g/mol
Melting Point27 °C
Boiling Point270 °C
Flash Point190.6°C
Density1.097 g/cc
FormsLiquid, Colourless

Uses and Applications

Key applications

  • Hair care
  • Metal working
  • Ceramics
  • Oil and Gas
  • Textile handling
  • Detergent
  • Cosmetic products
  • Rubber


  • Rubber
  • Cleaning
  • Coatings & Construction
  • Cosmetics
  • Oil & Gas

Synonyms: DEA, 2,2'-aminodiethanol

Chemical Formula: C4H11NO2

CAS Number: 111-42-2