... two plastic bags ♥Application: Hydroquinone:Generally for photograph, dye, pesticide, rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant ... , analyse chemical reagent and so.♥Specification: ITEMSSPECIFICATIONRESULTContent %99-101%99.7%Melting ...