4-Ethynylbenzonitrile
- CAS NO.：3032-92-6
- Empirical Formula: C9H5N
- Molecular Weight: 127.14
- MDL number: MFCD04974058
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-10 19:17:35
What is 4-Ethynylbenzonitrile?
The Uses of 4-Ethynylbenzonitrile
4-Ethynylbenzonitrile is used as a synthetic fragment and as a test compound for cross-coupling reactions. It is used in the study of hydrogen bond formation in multifunctional molecules due to the presence of four hydrogen bonding sites. It is also involved in the preparation of 4-[(trimethylsilyl)ethynyl]benzonitrile.
What are the applications of Application
4-Ethynylbenzonitrile is a simple benzyl alkyne
General Description
The water complexes formed with 4-ethynylbenzonitrile (4EBzN) were studied using IR-UV double resonance spectroscopy.
Properties of 4-Ethynylbenzonitrile
| Melting point: | 156-160 °C(lit.) |
| Boiling point: | 230.2±23.0 °C(Predicted) |
| Density | 1.037 g/mL at 25 °C(lit.) |
| Flash point: | >110 °C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Solid |
| color | Pale yellow |
| Water Solubility | Slightly soluble in water. |
Safety information for 4-Ethynylbenzonitrile
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Ethynylbenzonitrile
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