Di-potassium phosphate (dkp) Molecular formula: k2hpo4 Cas number: 7758-11-4 Standard executed: tech grade (hg/t 3487-2000) food grade (national standard) Packing and storage: In 25kg, 50kg, 1000kg net bag, store at a cool, dry and well ventilated place. Guaranteed technical specifications Specification tech gradefood gradefcc-iv Appearance white powderwhite powderwhite powder Main contents % 98.098.0 98 Phosphorus pentoxide p2o5 % 40.040.0 40.0 K2o % 52.052.0 52.0 Ph of a 1% solution 8.2-9.38.2-9.3 8.8-9.2 Water insoluble % fn0.10.1 0.2 Fluoride, as f 10ppm30ppm Heavy metals, as pb 10ppm15ppm Arsenic , as as 3ppm3ppm Chlorides as cl- % fn0.05 0.05 Lead pb2ppm In 25kg, 50kg, 1000kg net bag, store at a cool, dry and well ventilated place.