Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 7778-77-0, Whether you call it Potassium Phosphate Monobasic, Potassium Acid Phosphate , Potassium Biphosphate , Potassium Dihydrogen Orthophosphate or Potassium Dihydrogen Phosphate you can be assured the Potassium Phosphate Monobasic products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.