| Characteristics | Unit | Standard Request | Test Method |
| Content ( Base on NaH2PO4 ) | %(w/w) | 98Min | FCC |
| Water / Moisture | %(w/w) | 1.0 Max | FCC |
| Arsenic (as AS) | ppm | 3 Max | FCC |
| P2O5 Content | 58Min | FCC | |
| Heavy Metal (as Pb) | ppm | 10 Max | FCC |
| pH value ( 1% aqueous solution ) | 4.2-4.8 | FCC |