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Vinyl Acetylene - (C4H4 )
A colorless gas or liquid. Derived by the dimerization of acetylene
| Specifications | |
| Purity , % | 99.5 |
| (Liquid Phase) | (Vol. %) |
| Allene | ≤ 0.07% |
| Propyne | ≤ 0.12% |
| Ethyl Acetylene | ≤ 0.035% |
| Ship | |
| DOT Shipping Name | VINYL ACETYLENE |
| DOT Classification | 2.1 |
| DOT Label | Compressed gas, Flammable |
| UN Number | UN 1954 |
| CAS No. | 689-97-4 |
| CGA/BS341/DIN477 | 510/NO.4/NO.1 |
| Technical Information | |
| Cylinder State @ 21.1°C | Gas |
| Flammable Limits In Air | 2.2-31.7% |
| Auto Ignition Temperature (°C ) | |
| Molecular Weight (g/mol) | 52.075 |
| Specific gravity (air =1) | 1.798 |
| Critical Temperature ( °C ) | 180.85 |
| Critical Pressure ( psig ) | 690.18 |
| Applications | |
| Used in the synthesis of neoprene and for other organic syntheses. | |