Hydroxylamine Sulfate
CAS No.: 10039-54-0 | EC No.: 233-118-8
1. Chemical Identification
| Property | Specification |
|---|---|
| IUPAC Name | Hydroxylammonium sulfate |
| Molecular Formula | (NH₃OH)₂·H₂SO₄ |
| Molecular Weight | 164.14 g/mol |
| Appearance | White crystalline solid |
| Density | 1.88 g/cm³ |
| Melting Point | 170°C (decomposes) |
| Water Solubility | 329 g/L at 20°C |
| pH | 3.6 (10g/L solution) |
Synonyms:
Hydroxylamine sulphate, Oxammonium sulfate
2. Key Applications
Industrial Processes
- Caprolactam Production: Key raw material for nylon-6 synthesis
- Rubber Industry: Vulcanization accelerator
- Polymer Chemistry:
✓ Polymerization catalyst
✓ Monomer purification
Agrochemical Synthesis
- Pesticide Intermediates:
✓ Isoxazole derivatives
✓ Hydroxamic acid compounds
Pharmaceutical Manufacturing
- Vitamin Synthesis: B₆ and B₁₂ production
- Sulfa Drugs: Intermediate for antimicrobial agents
3. Product Advantages
✔ High Reactivity – Effective reducing/nucleophilic agent
✔ Process Versatility – Multiple industrial applications
✔ Controlled Decomposition – Predictable thermal behavior
4. Physical & Chemical Properties
- Thermal Stability:
- Stable at room temperature
- Decomposes at >170°C to N₂O + (NH₄)₂SO₄
- Redox Potential: Strong reducing agent (E° = -1.35V)
5. Handling & Storage
| Parameter | Requirement |
|---|---|
| Storage Temp | <30°C (dry environment) |
| Packaging | 25kg polyethylene-lined drums |
| Shelf Life | 36 months |
| Special Notes | Incompatible with strong oxidizers |
6. Safety Information
Danger!
- H290: May be corrosive to metals
- H302: Harmful if swallowed
- H351: Suspected of causing cancer
Protective Measures:
- P280: Wear protective gloves/eye protection
- P301+P312: IF SWALLOWED: Call poison center
- P308+P313: IF exposed: Seek medical advice
7. Quality Specifications
- Purity: ≥99.0% (titration)
- Sulfate Content: 58-60%
- Heavy Metals: ≤10 ppm
Disclaimer:
This material requires special handling due to carcinogenic potential. Users must implement proper engineering controls and PPE in accordance with local regulations.
