Properties: strong humidity--absorbability, and can produce its dihydrate and hexahydrate. Easy soluble in water, ethanol, acetone, also in liquid sulfur dioxide, ethylamine, aniline; but insoluble in glycerol, or phosphorus trichloride. Its aqueous solution is acidic. Package, storage and transportation: 1. Packed in a pe-plastics drum with a pe-plastics bag. 2. Packed in an iron drum. Net weight per drum: 50kg.