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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
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2013
Total Annual:
7000000-10000000
Employee Number:
130~150
Ecer Certification：
Verified Supplier
Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ... Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ...
