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A colorless, flammable, hygroscopic liquid that reacts with water and moisture to produce heat. The principal use of dimethylhydrazine is as the base in rocket fuel formulations, but it is also found in some photographic developing solutions.

Synonyms and Related Terms

1,1-dimethylhydrazine; n,n-dimethylhydrazine

Chemical structure


Other Properties

Soluble in water and ethanol.

Composition (CH3)2NNH2
CAS 57-14-7
Melting Point -58
Density 0.782
Molecular Weight mol. wt. = 60.1
Boiling Point 63

Hazards and Safety

Toxic by ingestion, inhalation and skin absorption. Suspected carcinogen. Exposure may cause skin irritation, choking, nausea, convulsions and liver injury.

Highly flammable. Flash point = -15C. Vapors are explosive. Decomposes to produce toxic gases.

International Chemical Safety Card

Sources Checked for Data in Record

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 3297
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

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