Di-ammonium phosphate (DAP)
Diammonium phosphate (DAP) is the world’s most widely used phosphorus fertilizer. It is a concentrated fertilizer with high phosphorus and nitrogen content. It’s made from two common constituents in the fertilizer industry, and its relatively high nutrient content and excellent physical properties make it a popular choice in farming and other industries.
| Chemical formula | (NH4)2HPO4 |
| Water solubility (20 ºC) 588 g/L Solution pH |
7.5 to 8 |
| Moisture(by weight) | 2.5% Max |
| Total Nitrogen(by weight) | 18% Min |
| Ammoniacal nitrogen(by weight) | 15.5% Min |
| Total Nitrogen in the form | 2.5% Max |
| of Urea(by weight) Neutral ammonium citrate soluble phosphates by weight |
46% Min |
| Water soluble Phosphates (as P2O5) by weight |
41% Min |
Utilized as complex fertilizer for supply of ‘N’ and ‘P2O5’ nutrients.
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