DIAMMONIUM PHOSPHATE (DAP 21-53-0)
Molecular formula: (NH4)2HPO4
CAS Number:7783-28-0
DIAMMONIUM PHOSPHATE is a high effectivw compound fertilizer in agriculture. It provides the correct proportion of phosphate and nitrogen needed for farming wheat, barley and vegetables. It is applied in the early stage of fruit orchard fertilization.DAP also usde as a fire-prevention agent for fabric, timber and paper.
Main Advantages
◆ High effectivw N,P compound fertilizer(21%N/53%P);
◆ Fully water-soluble;
◆ Free of chloride, sodium and other detrimental elements for plants.
Packing and Storage
Packing in 25kg, or big bags, store at a cool, dry and well ventilated place.
SPECIFICATIONS
NO. | Specifications | Tech grade |
1 | Main content, (NH4)2HPO4 %≥ | 98.0 |
2 | Phosphorus pentoxide, a P2O5 %≥ | 53.0 |
3 | Nitrogen ,as N %≥ | 20.8 |
4 | PH value of 1% solution | 7.8-8.2 |
5 | Moisture %≤ | 0.2 |
6 | Heavy metals, as pb%≤ | 0.005 |
7 | Arsenic, as As%≤ | 0.005 |
8 | Fluoride as F%≤ | 0.2 |
9 | Water insoluble %≤ | 0.10 |