| ≥1 piece |
Food Grade & Tech Grade
Food Grade:
SO2: 65% min
Fe: 0.005% max
water insoluble: 0.05% max
Pb: 0.002% max
As: 0.0002% max
PH: 4.0 - 6.0
Tech Grade
Na2S2O5: 96% min
Fe: 0.005% max
Water insoluble: 0.05% max
| CAS No.: 7681-57-4 | Other Names: sodium pyrosulfite | MF: Na2S2O5 |
| EINECS No.: 231-673-0 | Place of Origin: Hebei China (Mainland) | Type: Antioxidants, Other |