| CAS Number | 3355-28-0 |
| Catalog Description | 1-Bromo-2-butyne, 98% |
| MDL Number | MFCD00190233 |
| Linear formula | CH3C≡CCH2Br |
| Master Molecular formula | C4H5Br |
| Boiling point in C | 40-41°/20 mmHg |
| Flash point in C | 36° |
| Flash point in F | 97° |
| Density | 1.519 |
| Refractive Index | 1.508 |
| Beilstein | 605306 |
| Shipping | Hazardous for shipping |
| CAS Number | 3355-28-0 |
| UN# | UN1993 |
| Haz Class | 3 |
| Packing Group | III |
| Signal Word | Warning |
| Pictogram code 1 |
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| Pictogram code 2 |
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| H Phrases | H226-H315-H319-H335 |
| P Phrases | P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A |
| TSCA | No |
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