4-Ethynylpyridine
- CAS NO.:2510-22-7
- Empirical Formula: C7H5N
- Molecular Weight: 103.12
- MDL number: MFCD04038420
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:22:12
Properties of 4-Ethynylpyridine
| Melting point: | 98 °C |
| Boiling point: | 94.5 °C(Press: 32 Torr) |
| Density | 1.02±0.1 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
| solubility | almost transparency in Acetone |
| form | powder to crystal |
| pka | 4.16±0.10(Predicted) |
| color | White to Light yellow |
Safety information for 4-Ethynylpyridine
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 4-Ethynylpyridine
| InChIKey | FDEDJRHULYIJOR-UHFFFAOYSA-N |
4-Ethynylpyridine manufacturer
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product: 2510-22-7 4-Ethynyl Pyridine 98%
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