| Identification | |
| Name: | Pyrosulfurous acid, disodium salt |
| Synonyms: | Disulfurous acid, disodium salt;disodium sulfinato sulfite;AC1L2NDF;AC1LANM1;AC1Q1UWW;UNII-4VON5FNS3C;SODIUM METABISULFITE, ACS;NSC 158277;NSC 227243;TR-024578 |
| CAS: | 7757-74-6 |
| Molecular Formula: | H2O5S2 |
| Molecular Weight: | 0 |
| InChI: | InChI=1/H2O5S2/c1-6(2)5-7(3)4/h(H,1,2)(H,3,4) |
| Molecular Structure: |  |
| Properties | |
| Density: | 2.987g/cm3 |
| Refractive index: | 2.008 |
| Safety Data | |
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