A colorless or white crystal, particle, or powder. Odorless. The taste is astringent. When weathered in dry air at 280 ℃, the whole crystalline water was decomposed above 500 ℃. 1 g was dissolved in 2.5ml glycerol in 0.6ml water and insoluble in ethanol. The PH of aqueous solution to litmus is about 4.5. It is not easy to agglomerate with 1 molecular crystalline water. The relative density is 1.97. The melting point is 100 ℃. Minimum lethal dose (rat, via mouth) 2200mg / kg. Have irritation. Used in the manufacture of lithopone and used as mordant, astringent, wood preservative, etc.
Function and use
Industrial application
It is the main raw material for making zinc barium white and zinc salt. It can also be used as mordant for printing and dyeing, preservation agent for wood and leather, and an important auxiliary material for producing viscose fiber and vinylon fiber. In addition, it is also used in electroplating and electrolysis industries, and can also be used in the manufacture of cables. The cooling water in the closed circulation cooling system can't corrode and scale the metal, so to treat it, the process is called water quality stability, where zinc sulfate is used as water stabilizer.
The use of medicine
Used medicinally as an emetic.
The use of agriculture
It can be used to prevent disease of fruit tree nursery, and is also a common fertilizer to supplement crop zinc microelement fertilizer, which can be used as base fertilizer and foliar fertilizer.
