DIAMMONIUM PHOSPHATE(DAP) - On request
Molecular formula:(NH4)2HPO4

| Molar mass | 132.07 g/mol |
| Appearance | white powder |
| Density | 1.619 g/cm3 |
| Melting point | 155 °C (311 °F; 428 K) decomposes |
| 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 |
| Refractive index(nD) | 1.52 |
| Origin | Iran |
used in the mining industry