Chemical Formula：H3PO4•CO(NH2)2
CAS NO.: 7783-28-0
HS Code:2924199090
| NO. | Items | Standard | Internal Standards |
| 1 | Appearance | White Crystal | White Crystal |
| 2 | Main content（H3PO4•CO(NH2)2）,% ≥ | 98.0 | 99.0 |
| 3 | Phosphorus Pentoxide as P2O5 ,% ≥ | 43.0 | 44.0 |
| 4 | Nitrogen as N ,% ≥ | 17.0 | 17.0 |
| 5 | PH (1% water solution) | 1.6-2.0 | 1.6-2.0 |
| 6 | Arsenic as As, % ≤ | 0.0003 | <0.0003 |
| 7 | Heavy Metals as Pb,% ≤ | 0.0004 | <0.0004 |
| 8 | Fluoride as F, % ≤ | 0.0010 | <0.0010 |
| 9 | Water insoluble, % ≤ | 0.1 | 0.005 |
| 10 | Moisture, % ≤ | 0.3 | 0.2 |
