Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 136-23-2, Whether you call it Zinc Di-n-butyldithiocarbamate, Butyl Zimate or Dibutyldithiocarbamic Acid Zinc Salt you can be assured the Zinc Di-n-butyldithiocarbamate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.