Introduction:
Ammonium sulfamate, identified by the CAS number 7773-06-0, is a multifunctional chemical known under various names such as sulfamate and Aminolsulfonic acid ammonium salt. It is recognized for its broad utility in numerous industries.
Chemical Characteristics:
Ammonium sulfamate has the molecular formula H2NO3S and a molar mass of 96.0863 g/mol. Its physical properties include:
- Density: 1.769 g/mL
- Melting Point: 131-135°C
- Boiling Point: 160°C
- Flash Point: 160°C
- Water Solubility: 1950 g/L at 20°C
- Solubility: Clear and colorless in water at 1M concentration at 20°C
- Appearance and Color: It presents as a white crystalline solid.
Storage Recommendations:
Storage of Ammonium sulfamate should be in a well-ventilated, dry, and cool area without restrictions. It is crucial to keep it separate from food ingredients to avoid contamination.
Applications:
Ammonium sulfamate's versatility is evident through its diverse applications:
- Analytical Reagents: It serves as a critical component in various analytical procedures.
- Herbicides: Used in controlling a wide range of woody and herbaceous plants, making it a valuable tool in agricultural and horticultural settings.
- Fabric Waterproofing Agents: Its ability to repel water makes it ideal for treating fabrics to enhance their water resistance.
- Pesticide Industry: It is widely utilized in the formulation of non-selective herbicides, particularly effective in controlling woody plants and most types of weeds.
- Printing and Dyeing: It finds application in the textile industry for dye fixation and as a retardant.
- Tobacco Industry: It is used in tobacco processing for specific treatments.
- Building Materials: It serves as a flame retardant for wood and paper products, enhancing their safety features.
- Electroplating: Its chemical properties make it suitable for use in the electroplating industry.
Dosage and Application Methods:
For herbicidal purposes, it is typically applied as an aqueous solution. The recommended dosage ranges from 25.2 to 50 kg/hm2 for annual plants and 50 to 125 kg/hm2 for perennial plants. It can also be applied directly to the stump for woody plants.
Conclusion:
Ammonium sulfamate's chemical profile and applications underscore its importance in various sectors. Its role as an analytical reagent, herbicide, and flame retardant, among others, makes it a valuable chemical in industrial and commercial settings. Proper storage and handling are essential to ensure its effectiveness and safety.