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111Category: | Inorganic chemicals/Inorganic acids |
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CAS NO: | 7681-57-4 | ||
EC NO: | 231-673-0 | ||
Molecular Formula: | Na2S2O5 | ||
Molecular Weight: | 190.1065 | ||
Specification: | |||
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 | ||
Product description: Specifications sodium pyrosulfite 1.monthly output about 3000MT 2.Purity(Na2S2O5): 96% Min 3.SO2 Content: 65% Min 4.CAS No.:7681-57-4 sodium pyrosulfite (1)Molecular formula: Na2S2O5 (2)CAS No.: 7681-57-4 (3) Physical appearance: white or slightly yellowish crystalline powder (4)Specification:Main Content: 96%min, Water Insoluble: 0.05%max, Iron: 50ppm max, Pb: 10ppm max, As: 2ppm max ,pH: 4.0-4.6 (5)Bag marks:Sodium metabisulphite, N.W.: 25kgs, G.W. 25.1kgs, Made in China. (6)Main use: For tech use a):Bleaching agent for textile fibres, paper pulps b):Colors stripper and dechlorination c):Preparation of Indigo Vat Dye d):solubilizing and acidyfing agent for leather industries e):wastewater treatment (7)Packing:25kgs net PP woven bag with PE liner (if need, we could arrange the pallet.) |
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Synonyms: | Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade); | ||
Molecular Structure: |