Product Main

Specifications

Di-Ammonium Phosphate( DAP)
Molecular formula: (NH4)2HPO4
Molecular weight: 132.0
Standard executed: Q/744657170-9.1-2005(technical grade)
                                 Q/74465717-9.2-2005(food grade)
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
Food Grade
1
Main content% ≥
98.0
98.0
2
Phosphorus pentoxide% ≥
53.0
53.0
3
Nitrogen, as N % ≥
20.8
20.8
4
PH value of 1% solution
7.8-8.2
7.8-8.2
5
Moisture % ≤
0.2
0.2
6
Heavy metals, as Pb %≤
 
0.001
7
Arsenic, as As% ≤
 
0.0003
8
Fluoride as F% ≤
 
0.005
9
Water insoluble % ≤
0.10
0.10