Hydroxylamine Properties, Molecular Formula, Applications - WorldOfChemicals

Hydroxylamine Properties


Molecule 3D Structure Image
Molecule Structure Image



Hydroxylamine is an inorganic compound. It is used to prepare oximes, an important functional group. It is also an intermediate in biological nitrification. Hydroxylamine and its salts are commonly used as reducing agents in a myriad of organic and inorganic reactions. They can also act as antioxidants for fatty acids. Some non-chemical uses include removal of hair from animal hides and photography developing solutions. It is used as an irreversible inhibitor of the oxygen-evolving complex of photosynthesis on account of its similar structure to water. In the semiconductor industry, hydroxylamine is often a component in the "resist stripper" which removes photoresist after lithography.

Chemical Properties

Acidity 5.97
Appearance White needles or flakes
Boiling Point 58 ºC
CAS Number 7803-49-8
Density 1.21 g/cm3
Dipole Moment 0.67553 D
EINECS Number 232-259-2
IUPAC Name Hydroxylamine
InChI 1S/H3NO/c1-2/h2H,1H2
Melting Point 33 °C
Molar Mass 33.030 g/mol
Molecular Formula H3NO
NFPA 704 H-2,F-0,R-3,C-NA
RTECS Number NC2975000
Refractive n20/D 1.393
Related Compounds Ammonia;Hydrazine
Solubility Soluble
Synonyms Aminol;Azanol;Azinous Acid;Hydroxyamine;Hydroxyazane;Hydroxylazane;Hyponitrous Acid
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