Languages
Food & Beverage
Home    |    Food & Beverage

Diammonium Phosphate

DAP,diammonium hydrogen phosphate
Production Information
PROPERTIES   &  USAGE
Properties   Usage
Chemical formula (NH4)2HPO4 fertilizer
Density 1.619 g/cm3 fire retardant
Melting point 155 °C (311 °F; 428 K) decomposes yeast nutrient in winemaking and mead brewing
Molar mass 132.06 g/mol  
 
 
SPECIFICATION
Specification : Fertilizer Grade Food Grade Technical Grade
Total Nutrient(N+ P2O5) : 64% min     53% min 
Nitrogen : 18% min   20.8% min 
Available Phosphate(P2O5)      : 46% min    
Water Soluble Phosphate         : 41% min     
Moisture : 1.5% max   0.2% max
Granularity(1-4mm)%  : 90% min    
Fraction of total mass of granules measuring :      
Under 1mm  :      
2mm-5mm :      
Over 6mm :      
Appearance :   White Crystalline Powder White Crystal
Static strength of granules, MPa : :      
Colour : Brown    
IDENTIFICATION :   Complies  
SOLUBILITY :   Freely soluble in water 0.1% max
pH ( 1: 100  solution ) :   7.6  to  8.2 7.8 – 8.2
ASSAY :   96% – 102% 98% min 
ARSENIC :   3 mg/kg   Max  
FLUORIDE :   10 mg/kg  Max 0.05% max
LEAD :   4 mg/kg    Max  
Calcium (Ca) :     0.05% max
Pb :     0.05% max
As :     0.05% max
Hg :     0.05% max