hydrazine

noun

Etymology: Etymology tree German Hydrazinbor. English hydrazine Borrowed from German Hydrazin, coined by Emile Fischer in 1875 as a derivative from Diazin, an obsolete name for diimide, of which hydrazine is a hydrogenated analog. By surface analysis, hydr- + azo (“nitrogen”) + -ine.

1. A corrosive, fuming liquid, NH₂-NH₂, used as a rocket fuel.
2. Any member of the class of organic compounds formally derived from NH₂-NH₂ by replacing one of the hydrogen atoms.

   “From ethyleneoxides or ethyleneimines carrying an acyl substituent, with hydrazine and its derivatives (Ch. 3. XV).”