74% Diammonium Phosphate (DAP)

Manufacturer & Exporters of Diammonium Phosphate (dap) Fertilizer in China


73% Monoammonium Phosphate (MAP) Specification TB Chemical

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74% Diammonium Phosphate (DAP)
74% Diammonium Phosphate (DAP) Supplier in China

2. Physical And Chemical Properties

Chemical Name : Diammonium hydrogen phosphate; Ammonium phosphate dibasic; Ammonium hydrogen phosphate; di-Ammonium hydrogen orthophosphate; Diammonium Phosphate(DAP); Phosphorus ICP standard solution Fluka; Di-Ammonium Phosphate
chemical formula : (NH4)2HPO4
CASNO: 7783-28-0
molecular weight : 132.056
Structural Formula:

Industrial Grade monoammonium phosphate MAP fertilizer

Density : 1.619 g/cm3
Melting point : 155 °C (311 °F; 428K)
Refractive index : 1.52
Odor : faint acid
Solubility in water : 57.5 g/100 mL (10 °C)
106.7 g/100 mL (100 °C)
Solubility : insoluble in alcohol, acetone and liquid ammonia

3.Index Content

  • (NH4H2PO4)%
  • N%
  • P2O5%
  • Water Insoluble%
  • Moisture%
  • PH
  • Hg
  • As
  • Cd
  • Pb
  • Cr
  • 99
  • 20.8min
  • 53min.
  • 0.1 max.
  • 0.2 max
  • 7.8-8.2
  • 5PPM max
  • 10PPM max
  • 10PPM max
  • 50PPM max
  • 50PPM max

4. Application

(1) DAP is a kind of high concentration of phosphorus fertilizer, applicable to all kinds of crop and soil, the crops of nitrogen to phosphorus is particularly suited to xi, as a basic fertilizer or fertilizer, appropriate is deep.

(2) Soluble in water, dissolved solids less, it is suitable for all kinds of crops to the need of nitrogen, phosphorus, especially suitable for the lack of rain of the region as basal, seed manure, fertilizer.


25kg/PP Woven bag lined with plastic film, sealing sewing.Pay attention to prevent bask in, moisture-proof, waterproof, prevent torn bags in order to avoid the loss.

6.production technology

China wholesale phosphate water soluble DAP compound fertilizer