Chemical name： Sodium pyrosulfite
Molecular formula： Na₂S₂O₅
Molecular weight： 190.09
CAS No.： 7681-57-4
Property：
White or yellow crystal powder or small crystal with SO2 odor, proportion: 1.4. Dissolving in water.
Use：
Printing and dyeing mordant, fabric after-bleaching antichlor; pharmaceutical reducer and sulfonating agent; bamboo, wood and paper fiber bleacher; non-ferrous mineral-dressing agent; sewage finishing agent; rubber coagulant.
Packing：25KG/bag Woven bag lined with plastic foil
Locality：Hunan
Content：96%