| post date: | jan 11,2022 |
| expiry date: | jul 10,2022 |
| detailed description: | cas no. :3355-28-0 |
| cas registry number: | 3355-28-0 |
| synonyms: | ;1-bromobut-2-yne;2-butyne, 1-bromo-; |
| molecular formula: | c4h5br |
| molecular weight: | 132.9865 |
| molecular structure: | 
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| risk codes: | r10:; |
| safety description: | s16:; |
