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Diammonium phosphate (ammonium hydrophosphate, diammophos)

Diammonium phosphate (ammonium hydrophosphate, diammophos) is a water-soluble salt formed by the interaction of ammonia and phosphoric acid. It is a granule of white or gray color, readily soluble in water. It is physiologically neutral, non-hygroscopic, does not dust and does not cake.
Diammonium phosphate is produced by neutralizing the extraction phosphoric acid with ammonia.
Melting point: **5 ° C.
Chemical formula: (NH4) 2HPO4
Diammonium phosphate is a granular, universal, non-nitrate, highly concentrated nitrogen-phosphorus fertilizer, in which trace elements are present. The ratio of nitrogen and phosphorus *8:*7 c. Improves the resistance of plants to adverse environmental factors (droughts and frosts), as well as increases the resistance of plants to diseases. High content of phosphorus contributes to the accumulation of sugar in root crops and fruits.
Application of diammonium phosphate.
- as a highly effective fertilizer (both in the production of complex fertilizers, and independently in the form of solutions: with top dressing, greenhouse vegetable growing and floriculture);
- as feed additives for fattening cattle;
- as a feeding for the production of yeast (fodder, alcohol, bakery, beer), medical biologics;
- for antiseptic treatment of various materials;
- for impregnating fabrics, plywood and wood in order to give them fire resistance;
- for the preparation of solutions for fire retardant treatment of wooden structures of buildings (rafters, roof crates) and other combustible materials;
- in the production of fire extinguishing powders.

Indicator name Norm
Mass fraction of nitrogen N,% not less than *7
Mass fraction of total phosphates in terms of P2O5,% not less than *6
Mass fraction of water,% 1
Grading:
Mass fraction of granules the size:
Less than 1 mm,%
From 1 to 4 mm,%
Less than 6 mm,%
Static strength of granules, MPA (kgf / cm²)
Friability,%

Not more than 3
Not less than *5