Sodium Metabisulfite - Chemicals Products

PROPERTIES: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity, and its solubility will become large while raising the temperature and is less to dissolve in ethanol. Description: Formular: Na2S2O5 CAS No.: 7681-57-4 HS Code: 2832100000 Molecular Weight: 190.12 Specifications: Index Content Food grade Industrial grade Purity ( As Na2S2O5) 98.0% min 97.0% min Sulfur Dioxide( SO2) 65.0% min 65.0% min Arsenic ( As ) 0.0002% max - Heavy metals ( As Pb ) 0.0005% max - Selenium (Se ) 0.0005% max - Iron (Fe) 0.001% max 0.002% max Water insoluble 0.02% max 0.05% max PH value : 4.0-4.8 4.0-4.8 Purity ( As Na2S2O5) 98.0% min 96.0% min Applications: 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, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc). Industry 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 Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde. Packing, Storage and Handling: Packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement. Store the product in a dry and cool place.