[{"from": "human", "value": "Please give me some details about this molecule. [NH3+1][O].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is the salt of hydroxylamine and nitric acid. It is being developed as a potential rocket propellant and is sometimes used in nuclear reprocessing as a plutonium reductant. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137,  L1628)"}]