| post date: | nov 18,2021 |
| expiry date: | may 17,2022 |
| detailed description: |
cas no. :7681-57-4
specs:purity: 96.5%min payment method: t/t, d/p, l/c we are producing and offering sodium metabisulfite in industry grade and food grade. e-mail: top.wang@vip.163.com |
| cas registry number: | 7681-57-4 |
| 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 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r22:; r31:; r41:; |
| safety description: | s26:; s39:; s46:; |
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