TIANJIN XIBEIER INTERNATIONAL CO.,LTD

Sodium Metabisulfite

• Category :

  Food and Feed additives

• Synonyms :

  Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);

• CAS NO :

  CAS No.: 7681-57-4

• EC NO :

  231-673-0

• Molecular Formula :

  Na₂S₂O₅

• Molecular Weight :

  190.1065

• Main Specifications :

  Na2S2O5 97%

• InChI :

  InChI=1/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

• Packing :

  25KGS/PP and PE BAG or by customer's request

• Product description :

  Sodium Metabisulfite: Appearance: White or light yellow crystalline power; Molecular Formula: Na2S2O5 CAS No.: 7681-57-4 Place of Origin: Hebei, China(Mainland) Spec: Item Standard Content 97.0% Min SO2 65.0% Min Na2S2O4 2.0% Max Insolubles In Water 0.05% Max Particle Size 85% (Mesh 200) pH 4.5 -5.5 Fe 5ppm max Heavy Metal 10 ppm max As 1 ppm max Main Uses: Textile-printing and dyeing: As Mordant of printing and dyeing; Dechlorinate textile after bleaching; As agent for textile's boiling-off; As Sulphonated agent and reducer. Pharmacy: Used to manufacture colorform\solasulfone\benzaldehyde etc; As Sulphonated agent and reducer. Tanning: Used for treatment of leather to soften the surface and make the leather waterproof\more tough\antiwear. Sensitization industry: Is served as the developing agent reductant and the protection of fixing bath dose and so on. Food industry: It is used as bleacher\antiseptic\leavening agent\antioxidant\color fixative\preservative etc. Waste Water Treatment: Used as an oxygen scavenger to eliminate the dissolved oxygen in waste water Mining: It is used for ore floatation. Sodium Metabisulfite is an in many beacher in many industries. It is used in beaching mechanical paper pulp, cotton, wool and kaolin clay. Packing: 25kgs/1MT/1.25MT per PP and PE bag

• Uses :

  textile-printing;food industry;tanning'pharmacy,Bleaching

• Molecular Structure :