Hydroxylamine hydrochloride can be prepared technically by the electrolytic reduction of nitric acid1 and by the action of sodium bisulfite on sodium nitrite.

Application

Hydroxylamine hydrochloride is a monomoamine oxidase inhibitor. It is used to prepare oximes and hydroxmic acids in organic synthesis. It acts as a copolymerization inhibitor. It can be used to remove bromine and polybromide from a solution during extraction of lignin from lignocellulosic biomass.