hydroxylamine hydrochloride, CAS No. 5470-11-1

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5470-11-1

Catalog No. EBD43185

CAS 5470-11-1

Name hydroxylamine hydrochloride

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Basic Information

Synonyms: HydroxylamineHcl HydroxylammoniumChloride OxammoniumHcl Hydroxyaminehydrochloride Hydroxylaminechloride Hydroxylaminechloride(1:1) Oxammionium HydroxyammoniumChloride Hydroxylamine/HclSolution Hydroxylamine HydroxylamineHydrochloride(1:1) Hydroxylaminehydrochloride OxammoniumHydrochloride

Molecular Formula: ClH4NO

Molecular Weight: 69.49

MDL Number: MFCD00051089

Categories: Synthetic Chemistry > Basic Synthetic Reagents > Other Basic Synthetic Reagents Synthetic Chemistry > Organic Building Blocks > Oximes and Hydrazones

Product Description:

Hydroxylamine hydrochloride (NH₂OH·HCl) is a white, crystalline, and hygroscopic salt. It is the hydrochloride salt of hydroxylamine, a simple inorganic compound containing both an amine and a hydroxyl group. It is highly soluble in water and methanol, and its aqueous solution is acidic. This compound is a versatile reagent in organic synthesis and industrial chemistry. Its primary function is as a nucleophile and reducing agent. It is extensively used for the synthesis of oximes from aldehydes and ketones, which are key intermediates for the production of amides, nitriles, and various heterocyclic compounds. It also serves as a reducing agent in specific contexts, such as in the reduction of nitroso compounds to hydroxylamines or in photographic developers. Beyond synthesis, hydroxylamine hydrochloride finds applications as a corrosion inhibitor in boiler water treatment and as a short-term preservative in some contexts. It is important to handle it with care, as it can be an irritant to the skin, eyes, and respiratory system, and it may decompose under certain conditions to release hazardous gases.

Physical Properties

Melting Point: 155-157 °C (dec.)(lit.)

Boiling Point: 56.5 °C at 760 mmHg

Density: 1.67 g/mL at 25 °C(lit.)

Solubility: 560 g/L (20 °C) in water

Storage: Store at RT.

Safety Information

Packing Level: 2

Hazard Category: 8/PG

Transport Codes: 2923

Analytical Data

Appearance: Colorless or off-white crystalline solid