Diammonium phosphate 21-53-00: 1.purity:99%min 2.Nitrogen:21%min 3.moisture:0.1%max 4.a manufacture
Diammonium phosphate 21-53-00:
Chemical formula: (NH4)2HPO4
Molecular weight: 132.06
Properties: Colorless clarity rhombic crystal or white powder. 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.
Specification:
items | unit | standard | |
technical grade | low arsenigrade | ||
(NH4)2HPO4 | %≥ | 98.00 | 98.00 |
P2O5 | %≥ | 53.00 | 53.00 |
N | %≥ | 21.00 | 21.00 |
pH(1% solution) | -- | 7.8--8.5 | |
Fluorid (F) | %≤ | -- | 0.001 |
As | %≤ | -- | 0.0003 |
Heavy metal (Pb) | %≤ | -- | 0.001 |
Water insolubles | %≤ | 0.1 | 0.1 |
Moisture | %≤ | 0.2 | 0.2 |
Use: It is used in the making of printing plate and in the manufacture of electronic tube,china and enamel wares,high fertilizer.
Diammonium phosphate fertilizer(21-53-00)
