|CAS No.:||10117-38-1||Other Names:||Potassium Pyrosulfite||MF:||K2SO3|
|Place of Origin:||Shandong China (Mainland)||Purity:||45%min.||Classification:||General Reagents|
|Brand Name:||Changcheng||Model Number:||Food grade, photographic grade||Appearance:||White powder|
|Packaging Detail:||Plastic barrel package: 250 kg per drum (200L) and 1500kg per barrel (IBC drum) or in accordance with user's requirements|
|Delivery Detail:||10 DAYS AFTER CONTRACT DATE|
1. We are the only one who has Producion License of Potassium Metasulfite in China.
2. Bleaching, Preservative and antioxidant
The Only One who Has Production License Of Potassium Metabisulfite In China.
executive standard: European Photographic grade E225
molecular weight and molecular formula: K2SO3=158.25
1.The Product was colorless crystal or white crystalline powder with the relative density of 2.34 .The melting point was 150-190oC(decomposition). The product had a flavor of sulfur dioxide and soluble in water with acidic aqueous solution, it was not soluble in ethanol. Sulfur dioxide was released from acidic solution and oxidized to sulfate in the air.
2.Potassium metabisulfite is the most commonly used sterilization antioxidant materials in Europe and the United States.The content of sulfur dioxide is 57% with anti-oxidizing, sterilization and to promote the growth of benificial microbianisms. It has become an important means to ensure the quality of wine, which will won’t be replaced. Potassium metabisulfite has more than 100 years in the history of wine. and be added to wine permitted by law.
As antioxidant, bleaches,preservatives, it has used not only in Wine but also in Photographic, industry, chemical and so on.
(1) For food addictive
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 ,brews, the cereals food is defended storage etc);Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)
(2) For photographic
Promote the developer’s configurate
(3) For industry
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
colourless or light yellow transparent liquid
heavy metal(measured by Pb)
reaction with NH3-AgNO3
sulphate(measured by K2SO4)
The products could be used as dechlorination agent in the production of potassium hydroxide ion-exchange membrane and developing protective agent in photographic industry. It could also be used in the textile fabrics for bleaching, calcium removing reagent in tanning industry and as the preservative for food industry.
Plastic barrel package: 250 kg per drum (200L) and 1500kg per barrel (IBC drum) or in accordance with user's requirements.
Zibo Changcheng Chemical Factory is a professional supplier of potassium metabisulfite. With high quality products, excellent service and a good reputation, which has won great support from customers around the world. We support all kinds chemical products with all the licence and OEM/ODM services. We are looking forward to establish long-term business relationship around the world. We guarantee the finest quality, best price and delivery time!
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