Diammonium phosphate DAP. Industrial

Manufacturers (Origin) 
 Sichuan Province 
 Use level 
 Industrial 
 Content 
 98 (%) 
 Granularity 
 40 (mesh) 
 CAS Number 
 7783-28-0 
 Implementation of quality standards 
 GB 10205-88 
 Brand 
 DAP 







 Diammonium phosphate (DAP) 

 Guangzhou Supply: diammonium phosphate 

 Chemical formula: (NH4) 2HPO4 

 Molecular weight: 132.0 

 Properties: White crystal, relative density 1.619, melting point 155 ℃. Soluble in water, insoluble in alcohol and acetone, gradually lose ammonia in the air to generate ammonium dihydrogen phosphate. 

 Specifications: 

 No. 

 Name of index 

 Industrial 

 Food-grade 

 1 

 Main content ((NH4) HPO4 dollars)% ≥ 

 98.0 

 98.0 

 2 

 Phosphorus pentoxide (as P2O5)% ≥ 

 53.0 

 53.0 

 3 

 Nitrogen (N)% ≥ 

 21.0 

 21.0 

 4 

 PH (1% aqueous solution) 

 8.0-8.2 

 8.0-8.2 

 5 

 Water insoluble% ≤ 

 0.10 

 0.10 

 6 

 Moisture% ≤ 

 0.5 

 0.5 

 7 

 Arsenic (As)% ≤ 



 0.0003 

 8 

 Fluoride (as F)% ≤ 



 0.005 

 9 

 Heavy metals (as Pb)% ≤ 



 0.001 

 Uses: mainly used for wood, paper, fabric, as fire retardant, also used as a fire retardant paint additive, also used on the printing plate and pharmaceutical manufacturing.