Product Details
| Product Name: Sodium Sulfite | CAS No.: 7757-83-7 |
| EC-No.: 231-821-4 | Min. Order: 20ton |
| Purity: 98% | Supply Ability: 1000 ton / per month |
| Release date: 2024/06/18 | |
| MF: Na2SO3 | Appearance: white crystalline powder |


Product Description:
Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na2SO3. A white, water-soluble solid, it is used commercially as an antioxidant and preservative. It is also suitable for the softening of lignin in the pulping and refining processes of wood and lignocellulosic materials.
Sodium Sulfite(Na2SO3)Production Technology
l Product:Sodium Sulfite(Na2SO3)
English name: Sodium hydrosulfite, sodium hyposulfite, sodium dithionite
Molecular formula:Na2SO3

l Quality index:
No. | Item | Specification | Inspection Standards |
1 | Appearance | White crystalline | HG/T2967-2110 |
2 | Purity | ≥ 98 % | HG/T2967-2110 |
3 | Water-insoluble | ≤ 0.02% | HG/T2967-2110 |
4 | Sodium Carbonate | ≤ 0.1% | HG/T2967-2110 |
5 | Sodium sulfate | ≤ 1.5% | HG/T2967-2110 |
6 | Chloride | ≤ 0.1% | HG/T2967-2110 |









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- Since: 2024-05-13
- Address: Room 511, Building 7, Central City, Caiman Street, Xiangdu District, Xingtai City, Hebei Province

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