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Sodium Metabisulphite

Details for Sodium Metabisulphite

Sodium Metabisulphite

Category:

Inorganic chemicals

Sodium Metabisulphite
CAS NO: 7681-57-4
EC NO: 231-673-0
Molecular Formula: Na2S2O5
Molecular Weight: 190.1065
Specification:
InChI: InChI=1/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
Product description:

Sodium Metabisulphite  

MF: Na2S2O5 

CAS No.: 7681-57-4

Molecular: 190.12  

Usage: dying, organic synthesis, printing, leather, pharmacy and so on

Packaging: Net 25kgs, 50kgs plastic woven bags with inner liner

ITEM

SPECIFICATION

Na2S2O5

≥ 97.0%

SO2

≥ 65.0%

Iron (Fe) 

≤ 0.005%

insoluble in water

≤ 0.05%

PH Value

4.0-4.6

Arsenic (as As)

≤ 0.0001%

Heavy metal (base on Pb)

≤ 0.001%

Synonyms: Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;
Molecular Structure: Sodium Metabisulphite 7681-57-4
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