41. Although hydrazine is toxic, a small dose would not have been immediately lethal. 42. In this proposal formation of nitroxyl and hydrazine ( H 4 ) is involved: 43. This long module is fueled with monopropellant hydrazine . 44. The bacteria, Brocadia anammoxidans, can create the rocket fuel hydrazine from feces. 45. In their largest application, oxazidines are intermediates in the industrial production of hydrazine . 46. The thruster's fuel, which has not been leaking, is monomethyl hydrazine . 47. _A cream of mushroom soup appetizer contains hydrazines , which are carcinogenic and mutagenic. 48. Federal prosecutors said Monday that they were unable to prove environmental harm from the hydrazine . 49. Some of these are extremely dangerous and carcinogenic substances, including hydrazine and nitrogen tetroxide. 50. The residue is the byproduct of the hydrazine fuel and oxidizer used by the thrusters.