| Classification: | Other Inorganic Salts |
|---|---|
| Application: | textile bleaching agent, food addtive, leather |
| Appearance: | White powder or small crystalline particles. |
| Purity: | 97% 98% |
| Grade Standard: | Food Grade,Industrial Grade |
| CAS No.: | 7681-57-4 |
| Place of Origin: | China (Mainland) |
| Other Names: | Sodium disulfite |
| type: | manufacturer |
Quick Details
Specifications
Application:
1>Bleaching agent for textile fibres;
2>Colors stripper and dechlorination;
3>Preparation of Indigo Vat Dye;
4>Solubilizing and acidyfing agent for leather industries;
5>Bleaching agent forpaper pulps;
6>Preservative and sterilisation agent for food industries.
Package:
1>25kg /50kg compound plastic woven bag with inner polythene liner;
2>1000kg Jumbo bags;
3>Any other particular requirements to the package can be discussed.
Shelf Life:half one year.
Storage & handling:
1>Store the product in a cool and dry place;
2>Prevent from direct sunlight,water and moisture;
3>Avoid contact with strong acid,oxidants or poisonous substances;
4>Exposure to moisture will make it oxidze easily to sodium sulphate;
5>Do not store it for long time.
Product Specification:
TECH GRADE FOOD GRADE
NA2S2O5 >96.5% >97.0%
SO2 >65% >65%
FE <0.005% <0.003%
WATER INSOLUBLE <0.05% <0.05%
HEAVY METAL(PB) <0.001% <0.001%
as <0.0003% <0.0001%

