It can be used as formic acid, oxalic acid, sodium hydrosulfite, leather tanning agent etc.

Item                          Super Class       First Class     Qualified Class

Purity            <=%       98.0                    95.0                93.0

NaOH            <=%       1.00                    1.00                1.00

Na2CO3         <=%       1.00                    2.50                2.50

NaCL             <=%       1.00                    1.50                3.00

Na2S             <=%       0.05                     0.06               0.08

water              <=%       0.5                      1.0                1.5

Sodium Formate 98%