Molecular formula:NH4H2PO4
Molecular weight:115.02
CAS Number:7722-76-1
Standard executed:HG/T 4133-2010
Appearance:Colorless or white crystal or powder.
Usage:Mainly used as extinguisher and fire retardant,also as highly effective N+P fertilizer.
Packaging:25Kg、50Kg、1000Kg bags or according to customer's demand.
Specification
| Item | Industrial Grade | ||
| Ⅰclass | Ⅱclass | Ⅲclass | |
| Main contents(as NH4H2PO4) W/% ≥ | 98.5 | 98.0 | 96.0 |
| Main contents(as P2O5) W/% ≥ | 60.8 | 60.5 | 59.2 |
| Nitrogen ，W/% ≥ | 11.8 | 11.5 | 11.0 |
| Arsenic,as As W/% ≤ | 0.005 | - | - |
| Fluoride,as F W/% ≤ | 0.02 | - | - |
| Sulphate,as SO4 W/% ≤ | 0.9 | 1.2 | - |
| Moisture W/% ≤ | 0.5 | 0.5 | 1.0 |
| Water insoluble W/% ≤ | 0.1 | 0.3 | 0.6 |
| PH of 1% water solution | 4.2-4.8 | 4.0-5.0 | 4.0-5.0 |