Sodium Formaldehyde Sulphoxylate (S.F.S), Sodium Sulfoxylate also known under brand name as Rangolite, Decolite and Safolite. Material is packed in Polythene Bags, placed inside 25 Kg50 Kg. M.S.Drums 25 Kg Corrugated box114 Kg Fiber Drums.Keep drums closed when not in use. Store material away from heat and water, Soluble in water at room temperature with clear solution and on long standing becomes turbid.