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
Melting point	150℃
Water solubility	540 g/L (20℃)
Hazard Symbols	Xn:Harmful;
Risk Codes	R22:; R31:; R41:;
Safety Description	S26:; S39:; S46:;

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