China Sodium Metabisulphite | 7681-57-4 supplier

Details for Sodium Metabisulphite

Sodium Metabisulphite

111Category:

Inorganic chemicals

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;Sodium Metabisulfite (Food Grade);

Molecular Structure:

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