CAS · 7773-06-0
Product Overview
Ammonium sulfamate丨CAS 7773-06-0 is an inorganic compound widely used as a herbicide, flame retardant, and chemical intermediate. It combines ammonium and sulfamate ions, forming a stable, water-soluble salt. With low toxicity to humans and animals and biodegradable characteristics, it has found broad applications in agriculture, fire safety, and industrial chemistry.
Product Specifications
| Appearance | White crystalline powder |
|---|---|
| Content | 99.5% min |
| pH | 4–6 |
| Heavy Metals (Pb) | 0.002% max |
| Residue on Ignition | 0.02% max |
| Sulfate | 0.05% max |
| Iron | 0.0001% max |
| Chloride | 0.002% max |
| Insoluble in Water | 0.02% max |
| Loss on Drying | 0.5% max |
Applications
1. Herbicide and Brush Control Agent
Acts as a non-selective systemic herbicide, effectively controlling:
Perennial weeds
Woody plants and tree stumps
Invasive species in non-crop areas (e.g., railway lines, industrial sites, forestry)
Commonly used for tree stump treatment to prevent regrowth.
Suitable for use in sensitive environments due to its low soil persistence and rapid degradation into non-toxic compounds.
2. Flame Retardant
Used as a flame retardant in cellulose-based materials, such as:
Paper
Textiles
Wood products
Often incorporated into fireproofing formulations for furniture, insulation, curtains, and theatrical scenery.
Acts synergistically with other flame retardants (e.g., ammonium phosphates) to reduce flammability by releasing non-combustible gases and forming a char barrier.
3. Plastic and Resin Industry
Ammonium sulfamate丨CAS 7773-06-0 functions as a crosslinking agent or curing catalyst in the manufacture of urea-formaldehyde and melamine resins.
Improves flame resistance and thermal stability of polymers.
4. Laboratory and Chemical Synthesis
Employed as a sulfamating reagent in organic synthesis, for introducing sulfamate (-SO₃NH₂) groups.
Used in the preparation of sulfamic acid derivatives and specialty surfactants.
Benefits
1. Effective and Biodegradable Herbicide
Controls a wide range of invasive species with minimal environmental impact.
Degrades into harmless compounds like ammonia, nitrogen, and sulfates, posing no long-term soil toxicity.
2. Low Toxicity and Safety Profile
Considered safe for humans and animals when used as directed.
Classified as having low mammalian and aquatic toxicity, making it preferable in environmentally sensitive areas.
3. Non-Corrosive and Easy to Handle
Unlike some herbicides or fire retardants, ammonium sulfamate is non-corrosive, making it safer for equipment and infrastructure.
Stable under ambient conditions and non-volatile, with minimal handling risks.
4. Dual-Function Applications
Serves both as a herbicide and a fire retardant, making it cost-effective in land management (e.g., utility corridors, fire breaks).
Conclusion
Ammonium sulfamate丨CAS 7773-06-0 is a versatile, low-toxicity compound widely used as a herbicide, fire retardant, and chemical intermediate. Its biodegradability, effectiveness, and safety profile make it a preferred choice in land management, fire protection, and industrial applications. With minimal environmental impact and broad-spectrum action, it continues to be a valuable tool in both agrochemical and fire safety industries.
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