Sodium Metabisulphite Powder

We are offering our customers a wide range of Sodium metabisulphite powder, which are available following Specifications :-
CAS No.: 7681-57-4
Other Names: sodium pyrosulfite/ sodium disulfite
MF: Na2S2O5
EINECS No.: 231-673-0
Place of Origin:Shandong,China(mainland)
Grade Standard: Food Grade,Industrial Grade
Purity: 96.5%
Appearance: white or slight yellow crystalline form powder or small crystal
Application: used as bleaching agent, reducing agent, organic synthesis, ect.
Brand Name: RuiDeSheng
Molecular Weight: 190.09
PH: 4.0-4.6
Prohibited Substance: strong acid, strong oxidant

Application
1. Pharmaceutical industry: for the production of chloroform, sulfetrone and benzaldehyde
2. Rubber industry: as curing agent
3. Printing and dyeing industry: for cotton fabric bleach dechlorinating agent and cotton scouring agent
4. Leather industry: for leather processing, making the leather soft, full, tensile to have the properties of water proof, flexural strength, wear resistance.
5. Chemical industry: for the production of hydroxycitronellal, hydroxylamine hydrochloride
6. Food industry: as the bleaching agent, preservative, leavening agent, antioxidant ect.
7. Washing plant: as the reactant for the reaction of fabric such as jeans with potassium permanganate to generate white effect.