Ammonium Sulfamate: The Multifunctional Chemical for Agriculture and Industry

Introduction:

Ammonium sulfamate (CAS: 7773-06-0) is a versatile chemical compound with diverse applications across agriculture, textiles, and building materials. This guide provides a comprehensive overview of its properties, uses, and safety considerations.

Properties:

• Molecular Formula: H₂NO₃S

• Molar Mass: 96.0863 g/mol

• Density: 1.769 g/cm³

• Melting Point: 131-135°C

• Boiling Point: 160°C

• Flash Point: 160°C

• Water Solubility: 1950 g/L at 20°C

• Solubility: Forms a clear, colorless 1M solution in water at 20°C

• Appearance: White crystalline solid

Applications:

1. Herbicide:

• Annual plants: 25.2–50 kg/hm²

• Perennial plants: 50–125 kg/hm²

• Non-Selective Herbicide: Ammonium sulfamate is used as a non-selective herbicide effective against woody plants, shrubs, and annual weeds. It can be applied directly to stumps or sprayed over areas.

• Dosage Guidelines:

2. Flame Retardant:

• Material Treatment: It acts as a flame retardant for wood, paper, and fabrics, enhancing safety by reducing flammability.

3. Textile Industry:

• Waterproofing Agent: Used to waterproof fabrics, improving their resistance to moisture.

4. Other Industrial Uses:

• Printing and Dyeing: Employed in printing and dyeing processes.

• Electroplating: Utilized in metal surface treatments during electroplating.

• Tobacco Industry: Applied in tobacco processing.

5. Analytical Reagents:

• Chemical Reagent: Used in various analytical procedures and chemical analyses.

Storage and Handling:

• Storage Conditions: Store ammonium sulfamate in a cool, dry, well-ventilated area. Keep it away from food ingredients to avoid contamination.

Safety Considerations:

• Toxicity: Generally safe but should be handled with care. Use appropriate personal protective equipment (PPE), especially when applying it as a herbicide.

• Environmental Impact: Prevent runoff in agricultural settings to avoid unintended effects on nearby vegetation.

Conclusion:

Ammonium sulfamate is a valuable chemical with broad applications in herbicides, flame retardants, and waterproofing agents. Its versatility makes it an essential tool in agriculture and manufacturing. Proper handling and storage are crucial for maximizing its benefits and ensuring safety.