Disodium hydrosulfite CAS 7775-14-6
- CAS No.: 7775-14-6
- Type.: Acidity Regulators
- Appearance: White powder
- Molecular Formula： Na2O4S2
- Shelf Life： -
- Min Order Quantity: -
Inquiry
Online Chat| Item | Standard | |||
| sodium hydrosulfite | 74% | 85% | 88% | 90% |
| Water insoluble | 0.3max | 0.3max | 0.1max | 0.1max |
| Sodium thiosulfate Na2S203 | 1.4max | 1.5max | 1.3max | 1.0max |
| Sodium metabisulfite Na2S205 | 5-7 | 5-7 | 5-7 | 5-7 |
| Sodium bisulfite:NaHSO3 | 0.5max | 0.5max | 0.5max | 0.5max |
| Sodium carbonate: Na2c03 | 0.6-2max | 0.6-2max | 0.6-2max | 0.6-2max |
| Sodium formate: HCOONa | 0.5max | 0.8max | 0.5max | 0.5max |
Disosodium bisulfite is a strong reducing agent, which has a wide range of applications:
1) widely used in the textile industry, used as reducing agent for VAT dyeing, reducing hair bleaching agent, VAT printing auxiliaries, silk refining and bleaching agent, dyeing stripping agent and dyeing VAT cleaning agent;
2)widely used in paper industry, as a bleaching agent for mechanical pulp, hot grinding mechanical pulp and deinking pulp. It is the most suitable for wood pulp and paper bleaching agent;
3) as a reduction bleaching agent is widely used in kaolin bleaching, fur bleaching and reduction whitening, bamboo products and grass woven products bleaching;
4)used in mineral processing, thiourea and its sulfide synthesis, etc.;
5)used as a reducing agent in the chemical industry; 6, food additive grade is mainly used in the food industry, widely used in preserves, dried fruit, dried vegetables, vermicelli, grapes.
1) widely used in the textile industry, used as reducing agent for VAT dyeing, reducing hair bleaching agent, VAT printing auxiliaries, silk refining and bleaching agent, dyeing stripping agent and dyeing VAT cleaning agent;
2)widely used in paper industry, as a bleaching agent for mechanical pulp, hot grinding mechanical pulp and deinking pulp. It is the most suitable for wood pulp and paper bleaching agent;
3) as a reduction bleaching agent is widely used in kaolin bleaching, fur bleaching and reduction whitening, bamboo products and grass woven products bleaching;
4)used in mineral processing, thiourea and its sulfide synthesis, etc.;
5)used as a reducing agent in the chemical industry; 6, food additive grade is mainly used in the food industry, widely used in preserves, dried fruit, dried vegetables, vermicelli, grapes.
-
Address:
No 999,Jiangyue Rd, Minhang Dist ,201114,Shanghai ,China
-
E-mail
[email protected]
Skype: richestgroup -
Tel
+86 13472638548
WhatsApp: +86 13472638548