Dipotassium Hydrogen Phosphate CAS Number: 7758-11-4 Molecular Weight: 174.18 ... capacity. Widely used in molecular biology, biochemistry, and chromatography. Potassium phosphate occurs in several forms: monobasic (KH2PO4), dibasic (K2HPO4), and ... . Potassium Phosphate has also been used for the extraction of keratohyalin protein from bovine tissue. High qulity Dipotassium Hydrogen Phosphate CAS:7758 ...