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Title: Diethylhydroxylamine  
Author: World Heritage Encyclopedia
Language: English
Subject: DEHA, Corrosion inhibitors, Plastics, Deaerator, Amines
Publisher: World Heritage Encyclopedia


Skeletal formula of diethylhydroxylamine
Ball-and-stick model of the diethylhydroxylamine molecule
IUPAC name
Other names
ChemSpider  Y
EC number 223-055-4
Jmol-3D images Image
RTECS number NC3500000
UN number 1993
Molar mass 89.14 g·mol−1
Appearance Colorless liquid
Odor Ammoniacal
Density 867 mg mL−1
Melting point −26 to −25 °C (−15 to −13 °F; 247 to 248 K)
Boiling point 127.6 °C; 261.6 °F; 400.7 K
Vapor pressure 500 Pa (at 0 °C)
370.8 J K−1 mol−1
−175.47–−174.03 kJ mol−1
−2.97201–−2.97069 MJ mol−1
GHS pictograms The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word WARNING
H226, H312, H315, H319, H332
P280, P305+351+338
Harmful Xn
R-phrases R10, R21, R38
S-phrases R36/37
Explosive limits 1.9–10%
Lethal dose or concentration (LD, LC):
LD50 (Median dose)
  • 1.3 g kg−1 (dermal, rabbit)
  • 2.19 g kg−1 (oral, rat)
Related compounds
Related alkanols
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 Y  (: Y/N?)

Diethylhydroxylamine (DEHA) is a chemical used in some plastics.

As a free radical scavenger, it has five principal uses:

  1. Polymerization inhibitor
  2. Color stabilizer (photographics)
  3. Oxygen scavenger (water treatment)
  4. Corrosion inhibitor
  5. Discoloration inhibitor (phenolics)


  1. ^ "N,N-diethylhydroxylamine - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 27 March 2005. Identification. Retrieved 17 March 2012. 
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