NH2OH·HCl, known as hydroxylamine hydrochloride, is a chemical compound consisting of hydroxylamine and hydrochloric acid. It appears as a white crystalline solid and is commonly used in organic synthesis and as a reducing agent. Hydroxylamine itself is an amine with the formula NH2OH, which contains both amine and hydroxyl functional groups. This compound is often utilized in the preparation of various chemicals, including pharmaceuticals and agrochemicals. It can also serve as a reagent in analytical chemistry for detecting certain types of carbonyl compounds. Proper handling and storage are essential, as it can be hazardous under certain conditions.