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Home > Products >  Sodium metabisulfite CAS: 7681-57-4

Sodium metabisulfite CAS: 7681-57-4 CAS NO.7681-57-4

  • FOB Price: USD: 1.00-2.00 /Metric Ton Get Latest Price
  • Min.Order: 5 Metric Ton
  • Payment Terms: L/C,T/T
  • Available Specifications:

    99%(1-5)Metric Ton99%(5-20)Metric Ton

  • Product Details

Keywords

  • Sodium metabisulfite
  • Sodium pyrosulfite
  • 7681-57-4

Quick Details

  • ProName: Sodium metabisulfite CAS: 7681-57-4
  • CasNo: 7681-57-4
  • Molecular Formula: Na2S2O5
  • Appearance: White powder
  • Application: Syntheses Material Intermediates
  • DeliveryTime: Within 2 weeks after order confirmatio...
  • PackAge: 25kg/drum or 20kg/bag
  • Port: Qingdao Port
  • ProductionCapacity: 1000 Metric Ton/Year
  • Purity: 99%
  • Storage: Room Temperature
  • Transportation: By sea or by air
  • LimitNum: 5 Metric Ton
  • CAS: 7681-57-4
  • Molecular Formula: Na2S2O5

Superiority

Sodium metabisulfite

Name

Sodium metabisulfite

Synonyms

Sodium pyrosulfite; Disodium disulphite; Disulfurous acid disodium salt; Pyrosulfurous acid disodium salt

Molecular Structure

no

Molecular Formula

Na2S2O5

Molecular Weight

190.10

CAS Registry Number

7681-57-4

EINECS

231-673-0

 

Details

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

 

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