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sodium metabisulfite

sodium metabisulfite

Category :

Inorganic chemicals

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 metabisulfite
Molecular Structure:sodium metabisulfite 7681-57-4
Product description:

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
98.6
Fe ≤ %
0.003
0.0026
Insoluble in water ≤ %
0.01
0.008
Cl ≤ %
0.003
0.0025
Pb≤ %
0.001
0.0007
As ≤ %
0.0001
0.00008
PH
3.2-4.6
4.1
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Company:
   Dongying Fengyuan Chemical Co.,Ltd.
Contact:
   Du Qiong
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+86-18668991216
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Website:
http://www.sodium-sulfite.com
Address:
Donger Road,Dongying City
Zip Code:
257102
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