| Name | 4-Ethynylpyridine |
| Synonyms | 4-ETHYNYLPYRIDINE 4-Ethynylpyridine 4-PYRIDYLACETYLENE Pyridine, 4-ethynyl- pyridine, 4-ethynyl- (Pyridin-4-yl)acetylene Pyridine, 4-ethynyl- (6CI, 7CI, 8CI, 9CI) |
| CAS | 2510-22-7 |
| InChI | InChI=1/C7H5N/c1-2-7-3-5-8-6-4-7/h1,3-6H |
| InChIKey | FDEDJRHULYIJOR-UHFFFAOYSA-N |
| Molecular Formula | C7H5N |
| Molar Mass | 103.12 |
| Density | 1.02±0.1 g/cm3(Predicted) |
| Melting Point | 98 °C |
| Boling Point | 94.5 °C(Press: 32 Torr) |
| Flash Point | 57.5°C |
| Solubility | almost transparency in Acetone |
| Vapor Presure | 1.94mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow |
| pKa | 4.16±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
| Refractive Index | 1.542 |
| MDL | MFCD04038420 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. |