ChemNet > CAS > 7681-57-4 Sodium metabisulfite
7681-57-4 Sodium metabisulfite
| product Name |
Sodium metabisulfite |
| CAS No |
7681-57-4 |
| 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 |
| 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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