Diammonium Phosphate DAP Fertilizer 18-46-0 NPK Grade
Diammonium Phosphate (DAP) is a highly efficient nitrogen-phosphorus compound fertilizer and a significant industrial raw material, renowned for its high nutrient content, excellent physical properties, and wide range of applications.
Product Specifications
- Aliases: DAP
- English Name: Diammonium Phosphate
- Chemical Formula: (NH₄)₂HPO₄
- Molecular Weight: 132.06
- CAS Number: 7783-28-0
Key Properties
High nutrient content (N & P₂O₅), good granular strength, low hygroscopicity, and slight alkalinity.
Advanced Application Scenarios
1. High-Efficiency Base Fertilizer in Modern Agriculture
- Used as a primary base fertilizer for a wide range of crops such as wheat, corn, and fruits
- Its slightly alkaline nature makes it particularly suitable for neutralizing acidic soils
2. Fire Retardant Component in Industrial Safety
- Acts as an effective intumescent flame retardant in wood, textiles, and coatings
- A key component in ABC dry chemical fire extinguishers
3. Nutrient Source and Buffer in Biotechnology and Fermentation
- Serves as a source of nitrogen and phosphorus in microbial fermentation processes
- Functions as a buffering agent in cell culture media and fermentation broths
4. Flux and Corrosion Inhibitor in Industrial Processes
- Used as a flux in soldering and metalworking to remove oxides
- Acts as a corrosion inhibitor in water treatment systems and cooling towers
Technological Breakthroughs and Sustainable Development
Granulation Technology and Quality Control
- Advanced granulation processes produce hard, uniform, and dust-free granules
- Implementation of real-time near-infrared (NIR) spectroscopy for online monitoring
Nutrient Use Efficiency and Environmental Protection
- Development of controlled-release or stabilized DAP formulations
- Implementation of advanced scrubbing systems in production plants
Process Efficiency and Resource Utilization
- Modern DAP plants utilize energy-efficient processes
- Efforts to source phosphoric acid with lower levels of potentially toxic elements
Quality Assurance and Global Standards
- Rigorous quality control ensures consistent nutrient content
- Products are routinely analyzed for low levels of heavy metals
Technical Advantages
Quality Advantages
- Nitrogen (N) Content: 18% minimum
- Phosphorus (P₂O₅) Content: 46% minimum
- Water Soluble P₂O₅: Typically >90% of total phosphorus
Physical Characteristics
- Appearance: Typically grey or off-white, spherical granules
- Solubility: Soluble in water; the solution is slightly alkaline (pH approximately 7.8-8.2)
Application Support
Provides agronomic recommendations for different soil types, crops, and application methods to maximize yield and nutrient efficiency.
Why Choose Us?
- High-purity products, in compliance with international standards
- 30+ Years Chemical Manufacturing Experience
- Strict QC with Batch Traceability
- Global logistics, supporting sea and air transportation
- Technical support, providing customized solutions
- Factory direct supply, with strong price competitiveness