White crystalline powder, with a relative density of 2.42, melting point of 300 ℃ (lost crystalline water), insoluble in water and alcohol, can be dissolved in inorganic acid and sodium hydroxide solution, which is a typical amphoteric hydroxide. It can be transformed into alumina after being heated and dehydrated in air, and it is a chemical product with a wide range of applications.

It is used as raw materials for manufacturing various special aluminum hydroxide, aluminum salt, enamel, ceramics, glassware and lubricants. It is also used in the manufacture of various catalyst carriers and pharmaceutical industries, and also used in rubber, plastics, flame retardant, waterproof fabrics, paper fillers, etc. it is a widely used chemical raw material.