| Molecular formula: KH2PO4 Molecular weight: 136.09 Standard executed: HG2321-1992(technical grade) Q74465717-12(food grade) CAS Number: 7778-77-0Properties:White or colorless crystal, easily soluble in water, relative density at 2.338 g/cm3, melting point at 252.6 , and PH value of 1% solution is 4.5.Uses:Used to manufacture metaphosphate in medical or food industry. Used as a high effective K and P compound fertilizer. It contains totally 86% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.Packing and storage:In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.Guaranteed Technical Specifications : No | Specifications | Industrial Grade | Food Grade | 1 | Main contents % ≥ | 99.0 | 99.0 | 2 | Phosphorus pentoxide % ≥ | 51.50 | 51.50 | 3 | Potassium oxide (K2O) % ≥ | 34.0 | 34.0 | 4 | PH value of 1% solution | 4.3-4.7 | 4.3-4.7 | 5 | Moisture % ≤ | 0.20 | 0.20 | 6 | Heavy metal, as Pb % ≤ | | 0.001 | 7 | Arsenic, as As % ≤ | | 0.0003 | 8 | Fluoride as F % ≤ | | 0.005 | 9 | Water insoluble % ≤ | 0.20 | 0.10 |
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