Study of the Products of Oxidation of 1,1-Dimethylhydrazine by Nitrogen Dioxide in an Aqueous Solution by High-Resolution Mass Spectrometry
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Products of the interaction of 1,1-dimethylhydrazine with nitrogen dioxide in an aqueous solution are characterized by high-resolution mass spectrometry with electrospray ionization. It was found that more than 200 compounds of CHO, CHN, and CHNO classes formed in the reaction; the main component is extremely dangerous N-nitrosodimethylamine. Among the products of the transformation of 1,1-dimethylhydrazine, N-nitrosodibutylamine is identified for the first time. The results obtained are of importance for understanding processes of the transformation of rocket fuel in surface and ground waters at the places of impact of spent rocket stages containing both the propellant and the oxidant.
Keywords:high-resolution mass spectrometry unsymmetrical dimethylhydrazine rocket fuel nitrogen dioxide transformation products
This work was performed using instrumentation of the Core Facility Center “Arktika” under financial support of the Russian Foundation for Basic Research (grant No. 16-33-60159-mol-a-dk) and Ministry of Education and Science of the Russian Federation (state assignment, project no. 4.2518.2017/4.6).
We are grateful to S. A. Pokryshkin for his help in carrying out GC/MS analysis.
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