| Product Name | 2-Butyne |
| CAS No. | 503-17-3 |
| Synonyms | Dimethylacetylene; but-2-yne |
| InChI | InChI=1/C4H6/c1-3-4-2/h1-2H3 |
| Molecular Formula | C4H6 |
| Molecular Weight | 54.0904 |
| Density | 0.694g/cm3 |
| Boiling point | 25.6°C at 760 mmHg |
| Refractive index | 1.393 |
| Risk Codes | R12:Extremely flammable.; R36/37:Irritating to eyes and respiratory system.; |
| Safety | S16:Keep away from sources of ignition - No smoking.; S23:Do not inhale gas/fumes/vapour/spray.; S29:Do not empty into drains.; S36:Wear suitable protective clothing.; S9:Keep container in a well-ventilated place.; |
503-17-3 2-butyne
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