Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 150-38-9, Whether you call it Ethylenediaminetetraacetic Acid Trisodium Salt, EDTA Trisodium or Trisodium EDTA you can be assured the Ethylenediaminetetraacetic Acid Trisodium Salt products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.