Hydroxylamine sulfate is widely used in organic synthesis as a reducing agent, particularly in the production of oximes from aldehydes and ketones. It is also employed in the pharmaceutical industry for the synthesis of various drugs and intermediates. In analytical chemistry, it serves as a reagent for the determination of certain metals and carbonyl compounds. Additionally, it is utilized in the textile industry for dyeing and printing processes, where it acts as a stabilizer and reducing agent. Its application extends to the rubber industry, where it is used in the production of synthetic rubber and as an antioxidant. Furthermore, hydroxylamine sulfate finds use in water treatment processes to remove dissolved oxygen and prevent corrosion in boiler systems.