Hydroxylamine

• Catalog No.: Hydroxylamine
• CAS Number: 7803-49-8
• M. F.: H3NO
• M. W.: 33.02992

SYNONYMS

• IUPAC name: hydroxylamine
• IUPAC Systematic name: Hydroxylamine
• IUPAC Traditional name: hydroxylamine
• Synonyms: Azanol; Hydroxyamine; Hydroxylazane; Aminol; Hydroxyazane; Nitrinous acid

DATABASE IDS

• CAS Number: 7803-49-8
• Chemspider ID: 766
• CHEBI ID: 15429
• CHEMBL: 1191361
• KEGG ID: C00192
• Unique Ingredient Identifier: 2FP81O2L9Z
• PubChem CID: 787
• MeSH Name: Hydroxylamine
• Wikipedia Title: Hydroxylamine
• Gmelin ID: 478
• EC Number: 232-259-2

PROPERTIES

• Density: 1.21 g cm^-3 (at 20 °C)
• Flash Point: 129 °C
• Heat Capacity: 46.47 J K^-1 mol^-1
• Melting Point: 33°C
• Std molar entropy: 236.18 J K^-1 mol^-1
• Partition Coefficient: -0.758
• pKa: 13.7
• Apperance: Vivid white, opaque crystals
• Auto Ignition Point: 265 °C
• pKb: 0.3
• Boiling Point: 58°C (decomposes)
• Std enthalpy of formation: -39.9 kJ mol^-1
• EU Index: 612-122-00-7
• European Hazard Symbols: Harmful (Xn)
• European Hazard Symbols: Irritant (Xi)
• European Hazard Symbols: Nature polluting (N)
• LD50: 408 mg/kg (oral, mouse); 59–70 mg/kg (intraperitoneal mouse, rat); 29 mg/kg (subcutaneous, rat)
• NFPA704:
  

  1

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• Risk Statements: R2, R21/22, R37/38, R40, R41, R43, R48/22, R50
• RTECS: NC2975000
• Safety Statements: S2, S26, S36/37/39, S61