Description:
Product Name:Sodium Bisulphite
Alias: Hydrogen sulfite sodium
MF: NaHSO3
CAS No.: 7631-90-5
Characteristics:
White monoclinic crystal powder with sulfur dioxide odor.
Technical Data:
| Item | Index |
| Appearance | White monoclinic crystal powder |
| Main content %(Na2S2O5) ≥ | 64-67 |
| Water insolubles % ≤ | 0.03 |
| As % ≤ | 0.0002 |
| Chlorides %(Cl) ≤ | 0.05 |
| Iron %(Fe) ≤ | 0.004 |
| Heavy mental (As Pb)% ≥ | 0.001 |
| Ph(50g/L solution) | 4.0-5.0 |
Application:
Used for bleaching cotton fabrics, used as a reducing agent in dyes, papermaking, leather making, chemical synthesis and other industries, for the production of pharmaceutical intermediates, photographic developers; water treatment agent.