Monoammonium Phosphate FG
Molecular formula: NH4H2PO4
Molecular weight: 115.0
Properties
White granular crystal; relative density at 1.803, melting point at 190°C, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% solution is 4.5.
Applications
As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. 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. Its total nourishment (N+P2O5) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer.
Packing and storage
In 25kg, or big bags and store at a cool, dry and well ventilated place.
SPECIFICATIONS
No | Specifications | Industrial Grade | Food Grade |
1 | Main contents (MAP)%≥ | 98.0 | 98.0 |
2 | Phosphorus pentoxide%≥ | 61.0 | 61.0 |
3 | Nitrogen, as N %≥ | 11.8 | 11.8 |
4 | PH of 1% water solution | 4.4-4.8 | 4.4-4.8 |
5 | Moisture%≤ | 0.2 | 0.2 |
6 | Heavy metals, as Pb%≤ |
| 0.001 |
7 | Arsenic, as As%≤ |
| 0.0003 |
8 | Fluoride as F%≤ |
| 0.005 |
9 | Water insoluble %≤ | 0.10 | 0.10 |