Agent Name

N,N-Diethylhydroxylamine

Alternative Name

DEHA

CAS Number

3710-84-7

Formula

C4-H11-N-O

Major Category

Nitrogen Compounds

Synonyms

Diethylhydroxylamine; N,N-Diethylhydroxyamine; N-Hydroxydiethylamine; Ethanamine, N-ethyl-N-hydroxy-; Hydroxylamine, N,N-diethyl-; [ChemIDplus] DEHA; [HSDB] UN1993

Category

Hydroxylamines

Description

Liquid; mp = 10 deg C; [HSDB] Colorless to light yellow liquid; [EPA ChAMP: Submission]

Sources/Uses

Used as a photographic developer, antioxidant, corrosion inhibitor, in synthetic rubber production, and emulsion polymerization; [HSDB] Used as a free radical scavenger (short-stopping agent) and oxygen scavenger for boiler water; [EPA ChAMP: Submission] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]

Comments

TLV basis is upper respiratory tract irritant; No adverse effects in rats at 15 ppm, 6 hours/day, 5 days/week for 4 weeks; Fetus not more sensitive than maternal animal; [ACGIH] A mild eye and mild to moderate skin irritant in rabbits; Not a skin sensitizer in guinea pigs; Decreased body weights/food consumption, hypoactivity, changes in white blood cell counts, reduced thymus weight, increased liver weight, and transient microscopic changes of the nasal mucosa observed in 28-day inhalation study of rats (NOAEL of 150 ppm/6 hrs/day); No histopathological changes observed in male or female reproductive organs; No reproductive toxicity observed in rats at doses maternally toxic (reduced weight gain/food consumption); [EPA ChAMP: Submission] Reacts exothermically with water; An eye and respiratory tract irritant; Vapor may reduce available oxygen for respiration; [Arkema MSDS] See "Hydroxylamine."

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TLV (ACGIH)

2 ppm

Vapor Pressure

3.36 mm Hg

Lethal Concentration

LC50 (rat) = 3,140 ppm/4hr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Flammable liquid, n.o.s."

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: