Molecular formule: NH4H2PO4
Molecular weight: 115.0
Standard executed: HG/T4133-2010(INDUSTRIAL GRADE) GB25569-2010(FOOD GRADE)
Properties:
White granulr crystal, relative density at 1.803, melting point at 190℃, easily soluble in water, slightly soluble in alcohol, insoluble in ketone, PH value of 1% solution is 4.5.
Guaranteed Technical Specifications:
| No. | Specifications | Industrial Grade | Food Grade |
| 1 | Main contents(as NH4H2PO4) min% | 99.00 | 99.00 |
| 2 | Phosphorus pentoxide(as P2O5) min% | 61.0 | 61.0 |
| 3 | Nitrogen(as N) min% | 11.9 | 11.9 |
| 4 | PH | 4.2-4.8 | 4.3-5.0 |
| 5 | Moisture max% | 0.2 | 0.2 |
| 6 | Heavy meatals(as Pb) max% | 0.001 | |
| 7 | Arsenic(as As) max% | 0.0003 | |
| 8 | Fluoride(as F) max% | 0.001 | |
| 9 | Water insoluble max% | 0.10 | 0.10 |