SODIUM DIISOBUTYL DITHIOPHOSPHATE C4H9O2PSSNa CAS:53378-51-1 Sodium dibutyl dithiophosphate is a good chemical reagents which is used as collector for non-ferrous metal and precious metal; Soluble in water; mainly used as flotation reagent for copper ores and zinc ores with high selective activities.Chemical and mining industries,chemical mineral processing reagent,acid reagent.