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Reactions of Hydrazines with Chemicals Found in Environment
AEROSPACE CORP EL SEGUNDO CA TECHNOLOGY OPERATIONS
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Reactions of hydrazine, monomethylhydrazine and unsymmetrical dimethylhydrazine with selected species of interest that are found in the environment have been investigated. Included are aqueous phase reactions that can occur in atmospheric aerosols, groundwater, or soils in contact with groundwater, as well as selected gas phase reactions. Reactants include oxygen and hydrogen peroxide both reactants in the presence and absence of catalysts, ozone, nitrous acid, sulfur dioxide, and acetone as a model for environmental ketones and aldehydes. Rate constants for the reactions have been determined, or upper limits set. In several instances, reaction products have been identified. By far, the fastest reactions measured were those involving the hydrazines and ozone with second-order rate constants up to 2.4 x 107 liter mole-sec. Environmental Testing.
APPROVED FOR PUBLIC RELEASE