Description Potassium Phosphate Dibasic Anhydrous, ACS, 98+%, 5kg For Research & Development Not for drug, human, animal, or food use Specifications: Appearance (Color) White Appearance (Form) Crystalline powder Assay (Dried Basis) 98+% pH of a 5% Solution at 25 Degrees C 8.5-9.6 Insoluble Matter <0.01% Loss on Drying <1% Nitrogen Compounds (as N) <0.001% Chloride (Cl) <0.005% Sulfate (SO4) <0.005% Iron (Fe) <0.001% Heavy Metals (by ICP-OES) <5 ppm Sodium (Na) <0.05% CAS: 7758-11-4 FORMULA: K2HPO4