Diethylhydroxylamine

Diethylhydroxylamine

Names
IUPAC name N,N-Diethylhydroxylamine[1]
Other names N-Ethyl-N-hydroxy-ethanamine
Identifiers
Beilstein Reference	1731349
CAS Registry Number	3710-84-7 Y
ChemSpider	18340 Y
EC number	223-055-4
InChI InChI=1S/C4H11NO/c1-3-5(6)4-2/h6H,3-4H2,1-2H3 Y Key: FVCOIAYSJZGECG-UHFFFAOYSA-N Y
Jmol-3D images	Image
MeSH	N,N-diethylhydroxylamine
PubChem	19463
RTECS number	NC3500000
SMILES CCN(O)CC
UNII	314I05EDVH Y
UN number	1993
Properties
Molecular formula	C4H11NO
Molar mass	89.14 g·mol−1
Appearance	Colorless liquid
Odor	Ammoniacal
Density	867 mg mL−1
Melting point	−26 °C (−15 °F; 247 K)
Boiling point	127.6 °C; 261.6 °F; 400.7 K
Solubility in water	Miscible
Vapor pressure	500 Pa (at 0 °C)
Thermochemistry
Specific heat capacity (C)	370.8 J K−1 mol−1
Std enthalpy of formation (ΔfHo298)	−175.47–−174.03 kJ mol−1
Std enthalpy of combustion (ΔcHo298)	−2.97201–−2.97069 MJ mol−1
Hazards
GHS pictograms
GHS signal word	WARNING
GHS hazard statements	H226, H312, H315, H319, H332
GHS precautionary statements	P280, P305+351+338
EU classification	Xn
R-phrases	R10, R21, R38
S-phrases	R36/37
Explosive limits	1.9–10%
LD50 (Median lethal dose)	1.3 g kg−1 (dermal, rabbit) 2.19 g kg−1 (oral, rat)
Related compounds
Related alkanols	N-Methylethanolamine Dimethylethanolamine Diethylethanolamine Diethanolamine N,N-Diisopropylaminoethanol Methyl diethanolamine Triethanolamine Bis-tris methane Meglumine
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

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)

References