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Technical Data Sheet

Chemical Synonym
  • Diethamine; Ethanamine, N-ethyl; Ethylethanamine; DEA
  • Herbicides int
  • Home & industrial care intermediates
  • Intermediates
  • Lubricants
  • Methyl methyl acrylate (mma)
  • Paints & coatings
  • Pharmaceutical chemicals
  • Resins
  • Rubber modification

Product Description
Diethylamine (DEA) is available as an anhydrous colorless liquid. DEA has an ammonia-like odor.

Diethylamine has a variety of applications:

  • Manufacturing of DEET (an active ingredient in most insect repellent products)
  • Alkylalkanolamine
  • Rubber accelerator
  • Pharmaceuticals
  • Agricultural market
  • Resin market
  • Coating and dye markets. It is also used as a corrosion inhibitor

Typical Properties

PropertyTypical Value, Units
Molecular FormulaC4H11N
Molecular Weight73.14 g/mol
AppearanceClear liquid
Autoignition Temperature312 °C
Boiling Point55.5 °C
Critical Pressure37 090 hPa
Critical Temperature222.89 °C
     @ 20°C0.71 g/cm3
Dissociation constant, pKa 
     @ 20°C11.09
Flash Point 
     Closed Cup-26 °C
Freezing Point 
     (1013 hPa)-50 °C
Heat of Vaporizationb 
     (1013 hPa)401.48 kJ/kg
Octanol-water partition coefficient, log Pow0.58
     100 g/l @ 20°C13
Refractive Index 
     @ 25°C1.383-1.384
Vapor Density 
     (air = 1)2.5
Vapor Pressure 
     @ 20°C252.1 hPa
     @ 25°C316 hPa
     @ 40°C572.3 hPa
     @ 25°C0.319 mPa·s
Water solubilityCompletely miscible


  • Bulk
  • Steel drums (140 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.

3/20/2018 3:41:02 PM