File:Hydroxylamine-3D-balls.png · Wikimedia Commons · See Wikimedia Commons
hydroxylamine
Sign in to saveAlso known as nitrinous acid, aminol, azanol
Hydroxylamine (also known as hydroxyammonia) is an inorganic compound with the chemical formula . The compound exists as hygroscopic colorless crystals. Hydroxylamine is almost always provided and used as either an aqueous solution or, more often, as one of its salts, such as hydroxylammonium sulfate, a water-soluble solid.
OverviewAI-generated
Hydroxylamine is a chemical compound with the formula NH₂OH. It has a molecular mass of 33.021463716 and an electric dipole moment of 0.59. The substance exhibits a melting point of 33.1 and a boiling point of 58. Its pKa value is 5.97, and its ionization energy is 10.00.
Chemical properties include a charge of 0, an xlogp of -1.2, and a topological polar surface area of 46.3. The molecule contains two hydrogen bond donors and two hydrogen bond acceptors. It is referenced by 289 other encyclopedia articles.
Synthesized by Vinony from 23 facts across 4 sources: Wikidata, PubMed, PubChem, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Chemical data
- Formula
- H3NO
- Molecular weight
- 33.03 g/mol
- IUPAC name
- hydroxylamine
- SMILES
- NO
- InChIKey
- AVXURJPOCDRRFD-UHFFFAOYSA-N
- XLogP
- -1.2
- Polar surface area
- 46.3 Ų
- H-bond donors
- 2
- H-bond acceptors
- 2
- Formal charge
- 0
via PubChem
Research
44,562 papers- Hydroxylamine and the nitrogen cycle: A review.Water research · 2021
- Hydroxylamine natural products.The Alkaloids. Chemistry and biology · 2025
- Electroanalytical overview: the sensing of hydroxylamine.Analytical methods : advancing methods and applications · 2023
- Enzymatic Nitrogen Incorporation Using Hydroxylamine.Journal of the American Chemical Society · 2023
- The advent of electrophilic hydroxylamine-derived reagents for the direct preparation of unprotected amines.Chemical communications (Cambridge, England) · 2022
via PubMed
~10 min read
Encyclopedic overview
18 sectionsContents
- History
- Structure
- Production
- From nitric oxide
- Raschig process
- Other methods
- Isolation of hydroxylamine
- Reactions
- Functional group
- Synthesis
- Uses
- Laboratory uses
- Biochemistry
- Safety and environmental concerns
- See also
- References
- Further reading
- External links
Hydroxylamine (also known as hydroxyammonia) is an inorganic compound with the chemical formula . The compound exists as hygroscopic colorless crystals. Hydroxylamine is almost always provided and used as either an aqueous solution or, more often, as one of its salts, such as hydroxylammonium sulfate, a water-soluble solid.
Hydroxylamine and its salts are consumed almost exclusively to produce Nylon-6. The oxidation of Ammonia| to hydroxylamine is a step in biological nitrification.
Excerpted from Wikipedia’s “hydroxylamine” article, available under the CC BY-SA 4.0 licence.