1.Properties: White crystalline or granular powder. Bitter salt. Micro hygroscopicity. Easily soluble in water, soluble in methanol, insoluble in ethanol、ethyl acetate and acetone. The relative density: 3.86. The melting point: 963℃. Refractive index: 1.635.

3.Application：Mainly used in metal heat treatment, barium salt manufacturing, electronic instruments, used for mechanical processing heat treatment、boiler water treatment and salt electrolytic removal of sulfate, used for the preparation of pigment, ceramic products to prevent fading. Textile industry and leather industry and used as a mordant and rayon of matting agent.