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Diethylhydroxylamine is an organic chemical compound with the formula C₄H₁₁NO that is used primarily as an oxygen scavenger and corrosion inhibitor.
Strictly, Diethylhydroxylamine is N,N-diethylhydroxylamine.
Diethylhydroxylamine has an isomer, N,O-diethylhydroxylamine with the formula EtNHOEt.
CAS: 3710-84-7
MF: C4H11NO
MW: 89.14
EINECS: 223-055-4
Synonyms:
Diethylhydroxyamine;N,N-DIETHYLHYDROXYLAMINE, TECH;N,N-Diethylhydroxyla;DiethylhydroxylaMine (DEHA85);(D.E.H.A )N.N-DIETHYLHYDROXYLAMINE;N,N-DiethylhydroxylaMine, 97% 5GR;N,N-DiethylhydroxylaMine;N-ethyl-N-hydroxyethanaMine sulfate
Pure Diethylhydroxylamine is a colorless liquid, although it is usually encountered as a colourless-to-yellow solution in water with an amine-like odor.
Diethylhydroxylamine can be synthesised from a reaction between triethylamine and a peroxide.
Diethylhydroxylamine is a colorless and transparent liquid with a boiling point of 125-130 °C and an ammonia odor.
Diethylhydroxylamine is easily soluble in water, soluble in ethanol, ether, chloroform and benzene.
Diethylhydroxylamine is 85wt.% solution of N,N-diethylhydroxylamine.
The reaction of Diethylhydroxylamine with tert-butylhydroperoxide has been studied.
Diethylhydroxylamine participates in the preparation of symmetrical and an isomeric mixture of unsymmetrical phthalocyanines.
Diethylhydroxylamine undergoes degradation on exposure to radiation and affords light hydrocarbons.
Qualitative and quantitative analyses of the produced hydrocarbons have been reported.
Diethylhydroxylamine also participates in the conversion of quinones and quinonemonosulfonimide to the corresponding hydroquinones and sulfonylaminophenols, respectively.
Diethylhydroxylamine is a widely used hydroxylamine derivative known for its reducing properties.
Diethylhydroxylamine is commonly applied as an oxygen scavenger in boiler and closed-water systems, a corrosion inhibitor, and a polymerization inhibitor during monomer storage and processing.
Diethylhydroxylamine helps protect equipment, stabilise monomers and improve product shelf life when used according to recommended procedures.
Diethylhydroxylamine is a high-performance oxygen scavenger used in boiler water treatment, polymerization inhibition and industrial process systems.
Diethylhydroxylamine helps remove dissolved oxygen efficiently, protects equipment from corrosion, and supports stable operation in water systems.
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Diethylhydroxylamine is a versatile chemical used as an effective oxygen scavenger and polymerization inhibitor.
Diethylhydroxylamine is widely applied in boiler systems, industrial water treatment, oilfield operations and chemical manufacturing processes where dissolved oxygen must be controlled.
Colorless transparent liquid.
Diethylhydroxylamine smells like ammonia. Easily soluble in water, soluble in ethanol, ether, chloroform and benzene.
Diethylhydroxylamine is a colorless to light yellow liquid.
Diethylhydroxylamine is used in the manufacturing of oxygen scavengers for boilers and color stabilizers in the fuel, resin, and photographic/film industries.
Diethylhydroxylamine is used as an antioxidant for unsaturated resin/oil and a corrosion inhibitor for boiler water equipment.
Diethylhydroxylamine is an organic compound characterized by its hydroxylamine functional group, where two ethyl groups are attached to the nitrogen atom.
Diethylhydroxylamine is typically encountered as a colorless to pale yellow liquid with a faint amine-like odor.
Diethylhydroxylamine is soluble in water and organic solvents, making it versatile in various applications.
Diethylhydroxylamine is primarily used as a reducing agent and antioxidant in chemical processes, particularly in the synthesis of pharmaceuticals and polymers.
Diethylhydroxylamine also finds applications in the food industry as a preservative and in the treatment of water to prevent corrosion.
Diethylhydroxylamine is known for its ability to scavenge free radicals, which contributes to its antioxidant properties.
However, Diethylhydroxylamine should be handled with care, as it can be toxic and may cause irritation upon contact with skin or eyes.
Proper safety measures, including the use of personal protective equipment, are essential when working with this substance.
Diethylhydroxylamine Chemical Properties
Melting point: −26-−25 °C(lit.)
Boiling point: 125-130 °C
density: 0.902 g/mL at 25 °C
vapor density: 3.07 (vs air)
vapor pressure: 4 mm Hg ( 0 °C)
refractive index: n20/D 1.420(lit.)
Fp: 115 °F
storage temp.: Store below +30°C.
form: Liquid
pka: 14.19±0.69(Predicted)
color: Clear
Specific Gravity: 0.867
explosive limit: 1.9-10%(V)
Water Solubility: soluble
Sensitive: Hygroscopic
BRN: 1731349
Exposure limits ACGIH: TWA 2 ppm
Stability: Stable. Hygroscopic. Flammable. Incompatible with strong oxidizing agents, strong acids.
InChI: 1S/C4H11NO/c1-3-5(6)4-2/h6H,3-4H2,1-2H3
InChIKey: FVCOIAYSJZGECG-UHFFFAOYSA-N
LogP: 0.5 at 23℃
CAS DataBase Reference: 3710-84-7(CAS DataBase Reference)
NIST Chemistry Reference: Ethanamine, N-ethyl-N-hydroxy-(3710-84-7)
EPA Substance Registry System: Diethylhydroxylamine (3710-84-7)
Uses
Diethylhydroxylamine has the following various uses:
1.As a vinyl monomer, used in efficient inhibitor agent of conjugate olefins.
2.In liquid or gas phase, if end gather seed is existed, it can be used as inhibitors of end gather.
3.Diethylhydroxylamine's a excellent end agent in process of Emulsion-polymerized styrene butadiene rubber.
4.Diethylhydroxylamine's a antioxidants of the unsaturated oil and resin.
5.In the environmental protection,it’s good photochemical smoke inhibitors.
6.Diethylhydroxylamine's used as corrosion inhibitors in the equipment of the boiler feed water and steam heat exchange.
7.Diethylhydroxylamine's used as antioxidant in photography screens potions.
Diethylhydroxylamine may be employed as a ligand in the preparation of unsymmetric mixed ligand oxadiazoline and/or imine platinum complexes.
Diethylhydroxylamine may be used in the synthesis of organometallic clusters of mixed hydrazide/hydroxylamide clusters of zinc.
Diethylhydroxylamine has been suggested as a stabilizer for color formation for monoalkylphenols and phenolic antioxidants.
Diethylhydroxylamine has also been reported to stabilize emulsions used in the latex industry and for Spandex rubber, as well as a reducing agent for quinones and a monomer stabilizer or inhibitor.
Diethylhydroxylamine is largely used as an oxygen scavenger in water treatment.
Diethylhydroxylamine is a volatile oxygen scavenger and reacts in a ratio of 2.8/1 DEHA/O2.
Diethylhydroxylamine is employed in high pressure (>70 bar) boiler systems due to a very low rate of reaction at low temperatures and pressures.
Due to its volatility, Diethylhydroxylamine acts as an oxygen scavenger throughout the entire boiler system due to steam carryover.
Diethylhydroxylamine also reacts with ferrous metals to form a passivized film of magnetite throughout the boiler system.
The reduction of toxic heavy metals, such as hexavalent chromium to their more environmentally-friendly counterparts like trivalent chromium, is also performed using aqueous solutions containing DEHA.
Several other applications include its use as:
Polymerisation inhibitor
Color stabilizer (photographics)
Corrosion inhibitor
Discoloration inhibitor (phenolics)
Antiozonant
Radical scavenger
Health effects
The effects of diethylhydroxylamine, a potent free-radical scavenger, on lipid peroxidation of rat liver microsomes were investigated in vitro.
Diethylhydroxylamine strongly inhibited ascorbate-dependent nonenzymatic microsomal lipid peroxidation.
Diethylhydroxylamine also completely inhibited nonenzymatic lipid peroxidation of heat-denatured microsomes, indicating that inhibition is protein-independent.
Diethylhydroxylamine only moderately inhibited NADPH-dependent enzymatic microsomal lipid peroxidation.
