| post date: | dec 01,2021 |
| expiry date: | may 30,2022 |
| detailed description: | cas no. :3724-65-0 |
| cas registry number: | 3724-65-0 |
| synonyms: | ;crotonic acid anhydride;3-methylacrylic acid;α-crotonic acid;β-methylacrylic acid; |
| molecular formula: | c4h6o2 |
| molecular weight: | 86.09 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r21/22:; r34:; |
| safety description: | s26:; s36/37/39:; s45:; |
