Ammonium Phosphate Dibasic DAP CAS: 7783-28-0

Diammonium phosphate, also known as diammonium hydrogen phosphate (DAP), is a compound fertilizer containing two nutrients, nitrogen and phosphorus. Diammonium hydrogen phosphate is a high-concentration quick-acting fertilizer, easy to dissolve in water, less solid after dissolution, suitable for a variety of crops and soil, especially suitable for nitrogen and phosphorus crops, as a base fertilizer or topdressing can be applied deep. Diammonium phosphate refers to the standard product containing N1chemical book8%, P2O548%, the crystal shape is flat skew prismatic, the solubility in water at 25ºC is 71%, and the pH of its saturated solution is 8, which is much higher than monoammonium phosphate. Since the saturated solution of diammonium phosphate is alkaline, the application on acidic soil can reduce the fixation of iron and aluminum on phosphorus, so that phosphorus can maintain a high availability, so it is recommended to use diammonium phosphate on acidic soil.

1. Diammonium hydrogen phosphate fertilizer grade is mainly used as high concentration nitrogen and phosphorus compound fertilizer; Industrial grade for impregnating wood and fabrics to increase their durability. It can also be used as dry powder fire extinguishing agent, phosphates for fluorescent lamps; It is also used for printing and plate making, the manufacture of electronic tubes, ceramics, enamel, etc., and the biochemical treatment of wastewater; Chemicalbook is used as a flame retardant for motor insulation materials of rocket engines.
2. Used as feed additive for ruminants.
3. Used in food industry as food leavening agent, dough conditioner, yeast food, brewing fermentation aid.
4. Used as analytical reagent and buffer.
5. Water softener; Yeast food, etc.

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