| post date: | nov 30,2021 |
| expiry date: | may 29,2022 |
| detailed description: | cas no. :431-03-8 |
| cas registry number: | 431-03-8 |
| synonyms: | ;diacetyle;biacetyl;diacetyl;butane-2,3-dione; |
| molecular formula: | c4h6o2 |
| molecular weight: | 86.0892 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r11:; r20/21/22:; r36/38:; |
| safety description: | s16:; s26:; s36/37/39:; |
