Manufacturer and supplier of industrial chemistry and rare earth metals. China, Ningbo.

Sodium Metabisulfite

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Product

Molecular Formula:Na2S2O5

Molecular Weight:190.12

CAS No:7681-57-4

Property: White or light-yellow crystalline powder, specific gravity is 1.4. It's soluble in glycerine, it's soluble slightly in alcohol.

Specification:

Sodium Metabisulfite (as SO2 )
65% Min
Iron(Fe)
0.003% Max
Insoluble matter in water
0.05% Max
PH
4.0-4.6
Heavy metal(as Pb)
0.002% Max
Arsenic(As)
0.0002% Max

Packing:

Usage:

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