| Identification | |
| Name: | Sodium metabisulfite |
| Synonyms: | Disodium disulfite;Disodium metabisulfite;Disodium pyrosulfite;Natrium metabisulfurosum;Natriummetabisulfit;Sodium disulfite;Sodium pyrosulfite; |
| CAS: | 7681-57-4 |
| EINECS: | 231-673-0 |
| Molecular Formula: | Na2O5S2 |
| Molecular Weight: | 190.1 |
| InChI: | InChI=1/2Na.H2O5S2/c;;1-6(2)5-7(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2 |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 2693 |
| Density: | 1.48 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive. |
| Solubility: | 540 g/L (20 oC) |
| Appearance: | white crystalline powder |
| Specification: |
?Sodium Metabisulphite (CAS NO.7681-57-4) is also named as AI3-51684 ; CCRIS 3951 ; Campden Tablets ; Disodium disulfite ; Disodium metabisulfite ; Disodium pyrosulfite ; Disulfurous acid, disodium salt ;?Fertisilo ; HSDB 378 ; Natrii disulfis ; Natrium metabisulfurosum ; Natrium pyrosulfit ; Natriumbisulfit ; Natriummetabisulfit ; Pyrosulfurous acid, disodium salt ; Sodium bisulfite anhydrous ; Sodium disulfite ; Sodium metabisulfite ; Sodium metabisulfite (Na2-S2O5) ; Sodium pyrosulfite ; Sodium pyrosulfite (Na2S2O5)?.?Sodium Metabisulphite (CAS NO.7681-57-4) is white crystalline powder with a sulfur smell. It is soluble in water and?glycerine, slightly soluble in ethanol. |
| Packinggroup: | III |
| Storage Temperature: | Store at RT. |
| Safety Data | |
| Hazard Symbols |
Xn:Harmful
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