Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 10028-24-7, Whether you call it Sodium Phosphate Dibasic, Disodium Hydrogen Phosphate , Disodium Phosphate or Disodium Hydrogen Orthophosphate you can be assured the Sodium Phosphate Dibasic products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.