| Formula / Notation | NH2OH |
|---|---|
| CAS Number | 7803-49-8 |
| Molecular Weight | 33.030 |
| Melting Point | 91.49 °F (USCG, 1999) |
| Boiling Point | 133.7 °F 22 mm 158 °F 60 mm (USCG, 1999) |
| Density | 1.227 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | Very sol in water, liq ammonia, methanol; sparingly sol in ether, benzene, carbon disulfide, chloroform |
| Appearance | Hydroxylamine is an odorless white crystalline solid. Sinks and mixes with water. (USCG, 1999) |
| Also Known As | 7803-49-8; Oxammonium; NH2OH; azinous acid; 2FP81O2L9Z; DTXSID7041043; CHEBI:15429; RefChem:5894; DTXCID5021043; 232-259-2 |
| Category | Bases & Alkalis |
What is Hydroxylamine?
Hydroxylamine is the simplest hydroxylamine, consisting of ammonia bearing a hydroxy substituent. It is an intermediate in the biological nitrification by microbes like bacteria. It has a role as a nitric oxide donor, a nucleophilic reagent, an EC 1.1.3.13 (alcohol oxidase) inhibitor, an EC 4.2.1.22 (cystathionine beta-synthase) inhibitor, a bacterial xenobiotic metabolite, an EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor and an algal metabolite. It is a conjugate acid of a hydroxyazanide and an aminooxidanide. It derives from a hydride of an ammonia.
Formula & Notation
IUPAC Name: hydroxylamine
Other Names / Synonyms: 7803-49-8; Oxammonium; NH2OH; azinous acid; 2FP81O2L9Z; DTXSID7041043; CHEBI:15429; RefChem:5894; DTXCID5021043; 232-259-2
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 91.49 °F (USCG, 1999) |
| Boiling Point | 133.7 °F 22 mm 158 °F 60 mm (USCG, 1999) |
| Density | 1.227 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 33.030 |
| Solubility | Very sol in water, liq ammonia, methanol; sparingly sol in ether, benzene, carbon disulfide, chloroform |
| Appearance | Hydroxylamine is an odorless white crystalline solid. Sinks and mixes with water. (USCG, 1999) |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Hydroxylamine is the simplest hydroxylamine, consisting of ammonia bearing a hydroxy substituent. It is an intermediate in the biological nitrification by microbes like bacteria. It has a role as a nitric oxide donor, a nucleophilic reagent, an EC 1.1.3.13 (alcohol oxidase) inhibitor, an EC 4.2.1.22 (cystathionine beta-synthase) inhibitor, a bacterial xenobiotic metabolite, an EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor and an algal metabolite. It is a conjugate acid of a hydroxyazanide and an aminooxidanide. It derives from a hydride of an ammonia.
Used in chemical manufacturing, pH adjustment, saponification, water treatment, and as a laboratory reagent.
Corrosive or irritant. Causes burns to skin and eyes. Store away from acids. Wear protective gloves and goggles. Consult SDS before use.
The formula or notation for Hydroxylamine is: NH2OH