Apperance:White to slight grey yellow flowing crystallization or power forms,soluble in water and decomposition in acid mediator solution.  
Application:It is and effective collcter for copper.lead.antimonite and other sulfide minerals with better collectivity than xanthate and dithiophosphate.If it is used in flotation under high alkali conditions,it can improve the separation flotation effect between lead and zinc with little or without any cyanide.This reagent is also used for rubber vulcanization improve agent.