Xiamen Ubolia Import & Export Trade Co., Ltd.
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  • Contact Person : Ms. jian Jane
  • Company Name : Xiamen Ubolia Import & Export Trade Co., Ltd.
  • Tel : 0086-592-3127081
  • Fax : 0086-592-3127228
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Sodium metabisulfite

Sodium metabisulfite
Product Detailed
Item: Sodium metabisulfite Appearance: white or light yellow crystal

Molecular Formula: Na2S2O5 Molecular Weight: 190.10 CAS NO:7681-57-4 Appearance: white or light yellow crystalline powder Character: with smell of SO2,soluble in water,the solution is acidic.

Usages: Fiber, photo ,pharmacy,chemical ,petroleum chemical and so on. Packing: 25kg PE bag or 1000kg/bag Product specifications:

Items

Index

standard

Reference value

Na2S2O5 ≥%

97.5

97.9

Fe ≤ %

0.0005

0.0003

Insoluble in water ≤ %

0.005

0.002

Cl ≤ %

0.005

0.0005

Sodium thiosulfate≤ %

0.05

0.02

Pb≤ %

0.0005

0.0001

As ≤ %

0.0001

0.00002

    

Molecular Formula: Na2S2O5  acrylic gradeMolecular Weight: 190.10 CAS NO:7681-57-4 Appearance: white or light yellow crystalline powder Character: with smell of SO2,soluble in water,the solution is acidic.

Usages: Fiber, photo ,pharmacy,chemical ,petroleum chemical and so on. Packing: 25kg PE bag or 1000kg/bag Product specifications:

Items

Index

standard

Reference value

Na2S2O5 ≥%

97.0

97.3

Fe ≤ %

0.001

0.0006

Insoluble in water ≤ %

0.01

0.004

Cl ≤ %

0.001

0.0005

Sodium thiosulfate≤ %

-

-

Pb≤ %

0.001

0.0002

As ≤ %

0.0001

0.00003

    

 

 

Molecular Formula: Na2S2O5  electronic gradeMolecular Weight: 190.10 CAS NO:7681-57-4 Appearance: white or light yellow crystalline powder Character: with smell of SO2,soluble in water,the solution is acidic.

Usages: Fiber, photo ,pharmacy,chemical ,petroleum chemical and so on. Packing: 25kg PE bag or 1000kg/bag Product specifications:

 

Items

Index

standard

Reference value

Na2S2O5 ≥%

97.5

97.7

Fe ≤ %

0.001

0.0005

Insoluble in water ≤ %

0.01

0.004

Cl ≤ %

0.001

0.0005

Sodium thiosulfate≤ %

-

-

Pb≤ %

0.001

0.0002

As ≤ %

0.0001

0.00003

 
 
 

Sodium metabisulfite



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