| Melting point | -44.8 °C |
| Boiling point | 142-144 °C (lit.) |
| density | 0.93 g/mL at 25 °C (lit.) |
| vapor pressure | 17.6 mm Hg ( 37.7 °C) |
| refractive index | n |
| Fp | 88 °F |
| storage temp. | Store at +2°C to +8°C. |
| solubility | H2O: insoluble |
| pka | 19(at 25℃) |
| form | Liquid |
| color | Clear colorless to yellow |
| Specific Gravity | 0.930 |
| Water Solubility | INSOLUBLE |
| Sensitive | Light Sensitive |
| Merck | 14,3861 |
| BRN | 605461 |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, acids, halogens. |
| CAS DataBase Reference | 536-74-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Phenylacetylene(536-74-3) |
| EPA Substance Registry System | Phenylacetylene (536-74-3) |
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