Name | 2-Ethynylpyridine |
Synonyms | 2-EthynyL 2-Ethynylpyridine 2-Pyridylacetylene p-Ethylnylpyridine TIMTEC-BB SBB006619 2-Ethylnyl Pyridine 2-Pyridinylacetylene Pyridine, 2-Ethynyl- 1-(2-Pyridinyl)ethyne (Pyridin-2-yl)acetylene |
CAS | 1945-84-2 |
EINECS | 628-748-9 |
InChI | InChI=1/C7H5N/c1-2-7-5-3-4-6-8-7/h1,3-6H |
Molecular Formula | C7H5N |
Molar Mass | 103.12 |
Density | 1.021 g/mL at 25 °C (lit.) |
Melting Point | 77-78 C |
Boling Point | 85 °C/12 mmHg (lit.) |
Flash Point | 170°F |
Water Solubility | Soluble in water. |
Vapor Presure | 1.94mmHg at 25°C |
Appearance | Liquid |
Specific Gravity | 1.021 |
Color | Clear dark brown |
BRN | 1098904 |
pKa | 2.31±0.12(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | n20/D 1.56(lit.) |
Physical and Chemical Properties | Storage Conditions: 2-8 ℃ WGK Germany:3 |
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 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
WGK Germany | 3 |
HS Code | 29339900 |
Use | 2-ethynylpyridine can be used for the synthesis of self-doped ionic conjugated polymer poly (2-ethynylpyridinium N-benzoyl sulfonate). |