Di-Ammonium Phosphate, DAP
Molecular formula: (NH4)2HPO4
Molecular weight: 132.0
CAS Number: 7783-28-0
Properties:
White granular crystal, relative density at 1.619g/cm3, melting point at 155  , easily soluble in water, insoluble in alcohol, PH value of 1% solution is 8.0
Uses:
As a fire-prevention agent for fabric, timber and paper. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Guaranteed Technical Specifications :
No.  Specifications  Industrial Grade   
1  Main content %   98.0   
2  Phosphorus pentoxide%  53.0  
3  Nitrogen, as N %   20.8   
4  PH value of 1% solution  7.8-8.2   
5  Moisture %   0.2  
6  Heavy metals, as Pb %    -
7  Arsenic, as As%     -
8  Fluoride as F%     -  
9  Water insoluble %   0.10         
we can also produce Food Grade Di-Ammonium Phosphate, and technical grade DAP.

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