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7681-57-4 Sodium metabisulfite| product Name | Sodium metabisulfite |
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| Synonyms | Sodium pyrosulfite; disodium disulphite; Sodium metabisulphite; Sodium disulphite; Sodium pyrosulphite; SODIUM DISULFITE; disodium oxidosulfanesulfonate oxide; Sodium Metabi; Metabisulfite Sodium | | 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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