Sodium metabisulfit...

Sodium metabisulfite CAS: 7681-57-4

Sodium metabisulfite CAS: 7681-57-4

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5 Metric Ton

FOB Price:USD 1.0000 -2.0000
  • Min.Order :5 Metric Ton
  • Purity: 99%
  • Payment Terms : L/C,T/T

Keywords

Sodium metabisulfite Sodium pyrosulfite 7681-57-4

Quick Details

  • Appearance:White powder
  • Application:Syntheses Material Intermediates
  • PackAge: 25kg/drum or 20kg/bag
  • ProductionCapacity:1000|Metric Ton|Year
  • Storage: Room Temperature
  • Transportation:By sea or by air

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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