| Identification | ||
| Name | 4-Ethynyltoluene | |
| Synonyms | p-Tolyacetylene; p-Methylphenylacetylene; 1-Ethynyl-4-methylbenzene | |
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| Molecular Structure |
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| Molecular Formula | C9H8 | |
| Molecular Weight | 116.16 | |
| CAS Registry Number | 766-97-2 | |
| Properties | ||
| Density | 0.916 | |
| Boiling point | 168-170 ºC | |
| Refractive index | 1.547 | |
| Flash point | 48 ºC | |