Sodium Pyrosulfite / sodium metabisulphite
 Molecular formula: Na2S2O5
Molecular weight: 190.09
CAS No.: 7681-57-4
Function: Mainly used for printing and dyeing, industrial organic synthesis, printing, the leather making, pharmacy, etc; In food processing used for bleach etc
Packaging: Net weight 25kgs, 50kgs per each plastic woven bag , or as clients’ requirement.
Specification:
Sodium Pyrosulfite (Na2S2O5) ≥ % |
96.5 |
Ferrous(Fe) ≥ ppm |
0.005 |
Lead(Pb) ≤ ppm |
0.001 |
Arsenic(As) ≤ ppm |
0.0002 |
Clarity |
Clear |
|
