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| Diammonium Phosphate(DAP) |
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| Chemical name |
Diammonium Phosphate(DAP) |
| CAS NO. |
7783-28-0 |
| Molecular weight |
132.0 |
| Chemical formula |
(NH4)2HPO4 |
| Standard executed |
Q/74465717-9.1-2005(technical grade) Q/74465717-9.2-2005(food grade) |
| Properties |
White granular crystal, relative density at 1.619 g/cm3, melting point at 155 ℃ , easily soluble in water, insoluble in alcohol, PH value of 1% solution is 8.0 |
| Uses |
As a fire-prevention agent for fabric, timber and paper. For food grade it is mainly used as a fermentation agent, nourishment, and so on. Used as a high effective non-chloride N, P compound fertilizer in agriculture. It contains totally 74% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer. |
| Packing and storage |
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place. |
| Guaranteed Technical Specifications |
NO. |
Indexes |
Industrial Grade |
Food Grade |
1 |
Main content% ≥ |
98.0 |
98.0 |
2 |
Phosphorus pentoxide% ≥ |
53.0 |
53.0 |
3 |
Nitrogen, as N % ≥ |
20.8 |
20.8 |
4 |
PH value of 1% solution |
7.8-8.2 |
7.8-8.2 |
5 |
Moisture % ≤ |
0.2 |
0.2 |
6 |
Heavy metals, as Pb %≤ |
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0.001 |
7 |
Arsenic, as As% ≤ |
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0.0003 |
8 |
Fluoride as F% ≤ |
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0.005 |
9 |
Water insoluble % ≤ |
0.10 |
0.10 |
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