| CAS No.: | 7775-14-6 |
|---|---|
| Other Names: | Sodium Hydrosulfite |
| MF: | Na2S2O4 |
| EINECS No.: | 231-673-0 |
| Purity: | 85%,88%,90% |
| Place of Origin: | China (Mainland) |
| Type: | Reducing agent |
| Usage: | Leather Auxiliary Agents,Paper Chemicals,Rubber Auxiliary Agents,Textile Auxiliary Agents,Water Treatment Chemicals |
| Brand Name: | vidar |
| Model Number: | Sodium Hydrosulfite |
Quick Details
Specifications
Sodium hydrosulfite 85% Na2s2o4
1.CAS NO.: 7775-14-6
2.UN NO.:1384
3.Packing: 50kgs Iron drum
4.ISO CertificateSodium Hydrosulphite purity 85%,88% ,90% 1.Specifications:
2.Characteristics:1)Appearance white free-flowing crystal powder
2)Smell:flavourless or smell of sulfur dioxide3.Uses: 1) It is for vat dyes staining the reducing agent, reducing hair bleaching agents, vat dyes printing auxiliaries, silk scouring and bleaching agent, dyeing agents and objects of the peel color dye vat cleaning agent in the textile industry.
2,)It is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching agent in pulp and paper industry.
3)It is used as sugar, candy, candied fruit, caramel, cookies, fans, etc. Bleach and food preservation agent in the food industry.
4) As a bleaching agent is widely used to restore the kaolin bleaching; Fur whitening bleaching and restore; Bamboo products and straw products such as bleach.
5,)It is used as a reducing agent in chemical industry.4.Package: 50kg/Iron Drum 21MT/20'FCL
1.CAS NO.: 7775-14-6
2.UN NO.:1384
3.Packing: 50kgs Iron drum
4.ISO CertificateSodium Hydrosulphite purity 85%,88% ,90% 1.Specifications:
| Item | 90% | 88% | 85% | food grade |
| Na2S2 O4 | ≥ 90% | ≥ 88% | ≥ 85% | ≥ 85% |
| (Fe) | ≤ 20ppm | ≤ 20ppm | ≤ 20ppm | ≤ 20ppm |
| (Zn) | ≤ 1ppm | ≤ 1ppm | ≤ 1ppm | ≤ 1ppm |
| Clarity | Clarify | Clarify | Clarify | Clarify |
| EDTA | - | - | - | Qualified |
| (As) | - | - | - | ≤ 1ppm |
| Other heavy metals(pb) | - | - | - | ≤ 1ppm |
| HCHO | - | - | - | ≤ 0.05% |
| water insoluble matter | ≤ 0.05% | ≤ 0.05% | ≤ 0.05% | - |
2)Smell:flavourless or smell of sulfur dioxide3.Uses: 1) It is for vat dyes staining the reducing agent, reducing hair bleaching agents, vat dyes printing auxiliaries, silk scouring and bleaching agent, dyeing agents and objects of the peel color dye vat cleaning agent in the textile industry.
2,)It is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching agent in pulp and paper industry.
3)It is used as sugar, candy, candied fruit, caramel, cookies, fans, etc. Bleach and food preservation agent in the food industry.
4) As a bleaching agent is widely used to restore the kaolin bleaching; Fur whitening bleaching and restore; Bamboo products and straw products such as bleach.
5,)It is used as a reducing agent in chemical industry.4.Package: 50kg/Iron Drum 21MT/20'FCL