hydrazine [ hydrazine dihydrochloride,hydrazine hydrate,hydrazine monohydrate,hydrazine sulfate,hydrazine mononitrate,hydrazine nitrate,hydrazine phosphate (1:1),hydrazine phosphate (2:1),hydrazine sulfate (1:1) monosodium salt,hydrazine sulfate (2:1),hydrazine tartrate,segidrin ] used as fuel in emergency power systems; see also record for hydrazine sulfate RN: 10034-93-2; RN given refers to parent cpd