Metallurgy industry :As precipitating and resolving agent for rare earth metal, etc.

Organic Synthesis:For 2133 rein,ures form aldehyde powder etc.

Light industry:Polishing of DA LI stone, removing rust bleaching products of leather, wood and  aluminium etc.

Printing Industry: Dyeing agent

Medicine Industry: For making tetracydine ,HCl etc.

Others: As laboratory agent, solvents activato and basic materials for chemical industry.

Colorless transparent crystal, melting point:101°C. Easily soluble in ethanol, soluble in water, slightly soluble in aether, insoluble in benzene or chloroform, toxic and corrosive.

 index                          Wonderful grade

purity%               ≥99.6

suiphate group %             ≤0.08

ignition (850^oC) %             ≤0.08

heavy metal %                ≤0.001

Iron content %                ≤0.0012

chlorides %                   ≤0.003

calcium %                    ≤0.0012