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Diammonium Phosphate DAP Fertilizer 18-46-0 NPK White Crystalline
Diammonium Phosphate is a high-efficiency nitrogen-phosphorus compound fertilizer and an important industrial raw material, renowned for its high nutrient content, good physical properties, and versatility. It plays a crucial role in modern agriculture and various industrial processes.
Key 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 stability, low water solubility, slightly alkaline.
Advanced Application Scenarios
1. High-Efficiency Base Fertilizer in Agriculture
Used as a primary base fertilizer for a wide range of crops like cereals, oilseeds, and fruits
Provides readily available nitrogen and phosphorus for early growth stages
Suitable for neutral to acidic soils, helping to ameliorate soil acidity
2. Fire Retardant Component in Industrial Safety
Acts as an effective fire retardant in wood, paper, and textiles
Promotes char formation and releases non-flammable ammonia and water vapor when heated
Used in fire extinguishing powders for Class A and B fires
3. Nutrient Source and Buffer in Biotechnology
Serves as a source of nitrogen and phosphorus in microbial fermentation processes
Used in production of antibiotics, vitamins, and yeast
Functions as a buffering agent in cell culture media to maintain stable pH
4. Flux and Precursor in Industrial Chemistry
Used as a flux in soldering and metalworking to prevent oxide formation
Acts as a precursor for the synthesis of other ammonium phosphates
Technical Advantages
Parameter
Specification
Nitrogen (N) Content
Typically 18%
Phosphorus (P₂O₅) Content
Typically 46%
Water Solubility
>80% of phosphorus is water-soluble
Appearance
Typically grey or off-white granules
Solubility
Soluble in water; slightly alkaline (pH ~8.0)
Why Choose Our DAP Fertilizer?
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 ...