2.Appearance:White Granular. 3.Packing:It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. or In kraft bag with plastic inner bag.The net weight of each bag is 25kg.4.Properties: soluble in water, ethanol and benzene, almost insoluble in ether and chloroform.5.Usage:It is used for industry as a corrosion inhibitor in metal pickling and also for the preparation of palladium activating solution. 6.Storage and Transport:It should be stored in a dry and ventilate warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.