1)It is used in leather industry,serves as camoufage salt in the chrome tanning method;

2)Used in catalyst and stabilizer compositions,and in printing and dyeing of textiles as a reducing agent;

3)Used as the raw material in the manufacturer of sodium hydrosulphite,formic acid and oxalic acid.

4)Used as drilling fluid compl;etion fluid in oil field.

5)Used as road antifreeze and cement antifreeze.