Product Name: Di Potassium Phosphate Type: Food Additives Origin: China CAS No.:7758-11-4 AUCO No.: 350 Packing: 25kg bag" Items Standard Appearance White powder Assay % 98.0 Phosphorus pentoxide % 40.3-41.5 Potassium oxide (K2O) % 52.0 PH value (10g/L solution) 8.7-9.4 Heavy metal, as Pb % 0.001 Arsenic, as As % 0.0001 Fluoride as F % 0.001 Water insoluble % 0.2 Lead % 0.0001 Fe % 0.0004 Chlorine % 0.001 Ash % 0.2 Loss on drying % 2.0 Perchlorate % 0.00005 Cadmium % 0.0001 Mercury % 0.0001 Test for Potassium Passes test