Physical and Chemical Properties:
Molecular formula: NH4H2PO4 Molecular Weight: 115.03
Properties:
White powder or granular material(Granular product particles have a high compressive strength); Neutral;Density is about 1.80g/cm3;has good solubility in water, acid; Powder products have hygroscopic powder
Number | Item | Industrial-grade | Food-grade |
1 | The main content(NH4H2PO4)%≥ | 98.0 | 98.0 |
2 | P2O5 %≥ | 61.0 | 60.0 |
3 | N %≥ | 12.0 | 12.0 |
4 | PH(1% aqueous solution) | 4.4-4.6 | 4.4-4.6 |
5 | Water Insoluble %≤ | 0.10 | 0.10 |
6 | Water %≤ | 0.5 | 0.5 |
7 | As %≤ |
| 0.0003 |
8 | F %≤ |
| 0.005 |
9 | heavy metals (Pb)%≤ |
| 0.001 |
Uses: Mainly used for wood, paper, fabric for fire prevention agent, also used as a fire retardant coating additives, dry powder fire extinguishing agent.
In the food industry for fermentation agents, nutrients. Also for N & P fertilizer efficiency.
Packing: Made within the plastic outer bag, bag 25Kg or 50Kg, stored in ventilated dry place.
Ammonium dihydrogen phosphate