CAS No: 7681-57-4, Chemical Name: Sodium metabisulfite
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7681-57-4 Sodium metabisulfite

product Name Sodium metabisulfite
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 Formula Na2S2O5
Molecular Weight 190.1065
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
CAS Registry Number 7681-57-4
EINECS 231-673-0
Molecular Structure 7681-57-4 Sodium metabisulfite
Melting point 150℃
Water solubility 540 g/L (20℃)
Hazard Symbols  Xn:Harmful;
Risk Codes R22:;
Safety Description S26:;