Hydroxylamine hydrochloride

Hydroxylamine hydrochloride (CAS 5470-11-1), also known as HAHC, HA HCL, oxammonium hydrochloride, or hydroxylamine chloride, is an inorganic salt formed by reacting hydroxylamine with hydrochloric acid. It carries no E-code designation and is classified under HS code 28251000.

In pharmaceutical synthesis, hydroxylamine hydrochloride reacts with ketones and aldehydes to form oximes, a key step in producing active pharmaceutical ingredients and intermediates. In polymer chemistry, it functions as a catalyst and stabiliser by scavenging reactive oxygen species and free radicals that would otherwise degrade polymer chains during processing.

This material is available in technical and pharmaceutical-grade specifications, with supply compliant to REACH regulations for European markets. It is typically supplied as white crystalline solid, with liquid formats available depending on application requirements. Buyers should confirm grade suitability against Ph.Eur. or in-house specifications prior to procurement.