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Sodium Pyrosulfite

Sodium Pyrosulfite

Category :

Intermediates

CAS NO : 7681-57-4
EC NO : 231-673-0
Molecular Formula : Na2S2O5
Main Specifications :
Synonyms : Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);
Sodium Pyrosulfite
Molecular Structure:Sodium Pyrosulfite 7681-57-4
Product description:

CAS No.: 7681-57-4

Application:
Industrial Uses
1. Water Treatment
2. Bleaching Agent

Food Preservative
1. Antimicrobial

Other Uses
1. Medicinal
2. Photographic and film industry
3. Landscape Gardening
4. Fiber Industry
5. Gold mining

Item Quality Index
Food Grade Industry Grade
Purity ( As Na2S2O5) 98.0% min 96.0% 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
If you are sourcing Sodium Pyrosulfite from China ,just feel free to inquire
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Contact us
Company：
    Zibo Aojin Chemical Co., Ltd.
E-mail：
 chem@netsun.com
Address：
 Zhangdian District, Zibo City, Shandong Province (Zibo New Materials Trading Center), China
Zip Code：
 255022
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