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Di ammonium Phosphate High Purity Di Ammonium Phosphate DAP 7783-28-0 fertilizer
DI AMMONIUM PHOSPHATE
Chemical formula: (NH4)2HPO4
Molecular weight: 132.06
Properties: white crystal. The relative density is 2.338. It is soluble in water and insoluble in ethanol, acetone and ammonia. It decompounds at 155 centigrade. It is easy to lose ammonium and becomes ammonium dihydrogen phosphate in the air. React with ammonia and form triammonium phosphate.
Standard executed: HG/T 4132-2010 and GB 30613-2014
Specifications |
GradeⅠ |
Grade Ⅱ |
|
Appearance |
|
White or Colorless Crystal Powder |
|
Main contents |
%≥ |
98.00 |
98.00 |
Phosphorus pentoxide, as P2O5 |
%≥ |
52.70 |
52.70 |
Nitrogen, as N |
%≥ |
20.80 |
20.80 |
PH of 1% water solution |
-- |
7.8--8.5 |
7.8--8.2 |
Fluoride, as F |
%≤ |
0.05 |
0.001 |
Arsenic, as As |
%≤ |
0.005 |
0.0003 |
Heavy metal, as Pb |
%≤ |
0.005 |
0.001 |
Lead, as Pb |
%≤ |
- |
0.0004 |
Water insoluble |
%≤ |
0.1 |
0.1 |
Moisture |
%≤ |
0.2 |
0.2 |
CAS NO:16788-57-1
CAS NO:7783-28-0
CAS NO:7722-76-1
CAS NO:7778-77-0
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