| Model: | - |
|---|---|
| Brand: | HH |
| Origin: | Made In China |
| Category: | Chemicals / Inorganic Chemical Materials / Alkali |
| Label: | Sodium Pyrosulfite , Pyrosulfite , SMBS |
| Price: |
US $260
/ MT
|
| Min. Order: | 20 MT |
| Last Online:31 Oct, 2024 |
Chemical Name : Sodium Pyrosulfite, sodium metabisulfite
CAS No : 7681-57-4
Molecular Formula:Na2S2O5
Molecule Weight:190.10
Appearance:White or light yellow crystalline powder
Product Description
Sodium Pyrosulfite/Smbs/Sodium Metabisulphite/Tech Grade 96%
Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
Specification:
| ITEM | Industrial grade | Food grade |
| Assay: | 96% min | 96% min |
| SO2 content | 65% min | 65% min |
| Iron: | 0.005% max | 0.005% max |
| Heavy metals (as Pb) | -- | 0.002% max |
| -- | 0.0002% max | |
| pH | 4.0-4.6 | 4.0-4.6 |
| Water insoluble: | 0.05% max |
0.05% max
|
Main uses:
Food grade: Bleach agent (e.g.candies, cake, bamboo shoots, etc); Loose agent (e.g.bread, cracker etc); Antiseptic and germicide (e.g.fruit juice, tinned food, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)
Industrial grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose; The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.
