Chemical formula:K2HPO4 Molecular weight: 174.23 Technical Specification ： Secifications Specifications Industrial grade Food grade Appearance, White powder PHosphorus pent-oxide, min 40.0 40.0 PH of1% water solution 8.0-9.0 8.0-9.0 Water insoluble, max 0.1 0.05 Heavy metals, as Pb. max - 0.001 Arsenic,as As. max - 0.0003 Fluorde,as F. max - 0.002 Sieve test(Through 60mesh) min 90.0 90.0 Main content, min 98.0 98.0 Potassium oxide,as K2O, min 53.0 53.0 Properties: White powder,soluble in water easily,solventwater solation is alkaling.density is 2.33% PH of 1% water solution is8.9 use: Used as soft water agent for boiler,used as a high effectivek. pliquid compound fertilizer.for food grade, it is mainly used as additive agent. Packing: Plastic knit bag Net weight25kg,store at vent at ventilated dry places.