ChemNet > CAS > 7681-57-4 Sodium metabisulfite
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 |
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Melting point |
150℃ |
Water solubility |
540 g/L (20℃) |
Hazard Symbols |
Xn:Harmful;
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Risk Codes |
R22:;
R31:;
R41:;
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Safety Description |
S26:;
S39:;
S46:;
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