Date published: 2026-5-30

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4-Ethynylbenzonitrile (CAS 3032-92-6)

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Alternate Names:
4-Cyanophenylacetylene
Application:
4-Ethynylbenzonitrile is a simple benzyl alkyne
CAS Number:
3032-92-6
Purity:
≥97%
Molecular Weight:
127.14
Molecular Formula:
C9H5N
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4-Ethynylbenzonitrile is a simple benzyl alkyne compound potentially useful as a synthetic fragment and as a test compound for cross-coupling protocols. 4-Ethynylbenzonitrile has been described as a model compound for studying hydrogen bond formation in multifunctional molecules, as it contains four hydrogen bonding sites of which three are pi-acceptors.


4-Ethynylbenzonitrile (CAS 3032-92-6) References

  1. Hydrogen bonding to multifunctional molecules: spectroscopic and ab initio investigation of 4-ethynylbenzonitrile-(water)(1-3) complexes.  |  Maity, S. and Patwari, GN. 2010. J Phys Chem A. 114: 8337-44. PMID: 20701341
  2. Synthesis of ethynylated phenothiazine based fluorescent boronic acid probes.  |  Wu, Y., et al. 2011. J Fluoresc. 21: 1143-54. PMID: 21213029
  3. Meso Alkynylated Tetraphenylethylene (TPE) and 2,3,3-Triphenylacrylonitrile (TPAN) Substituted BODIPYs.  |  Dhokale, B., et al. 2015. J Org Chem. 80: 8018-25. PMID: 26191612
  4. A 'Flexible' Rigid Rod, trans-Pt(PMe3)2(C≡CC6H4CN)2 (L1), to Form 2D [{Cu2(μ2-X)2}2(μ4-L1)] n Polymers (X = Br, I) Exhibiting the Largest Bathochromic Emissions.  |  Juvenal, F., et al. 2018. Inorg Chem. 57: 7208-7221. PMID: 29845854
  5. The Role of Planarity versus Nonplanarity in the Electronic Communication of TCAQ-Based Push-Pull Chromophores.  |  García, R., et al. 2018. Chempluschem. 83: 300-307. PMID: 31957276
  6. The straightforward synthesis of N-coordinated ruthenium 4-aryl-1,2,3-triazolato complexes by [3 + 2] cycloaddition reactions of a ruthenium azido complex with terminal phenylacetylenes and non-covalent aromatic interactions in structures.  |  Chang, CW., et al. 2022. RSC Adv. 12: 24830-24838. PMID: 36128372
  7. Linear ditopic acetylide gold or mercury complexes: synthesis and photophysic studies: X-ray crystal structure of PPh4[Au(CCC5H4N)2]  |  Montserrat Ferrer a, Laura Rodrı́guez a, Oriol Rossell a, Fernando Pina b, João C Lima b, Mercè Font Bardia c, Xavier Solans c. 2003. Journal of Organometallic Chemistry. 678: 82-89.
  8. New cyano functionalized silanes: aggregation-induced emission enhancement properties and detection of 2,4,6-trinitrotoluene  |  Linlin Wang, Dengxu Wang, Haifeng Lu, Hua Wang, Lei Xue, Shengyu Feng. 2013. Applied Organometallic Chemistry. 27: 529-536.
  9. Synthesis of a novel freestanding conjugated triazine-based microporous membrane through superacid-catalyzed polymerization for superior CO2 separation  |  Sina Pourebrahimi a, Majid Pirooz b. 2022. Chemical Engineering Journal Advances. 11.
  10. Carpet Beater Molecules: Synthesis and Characterization of Functional Hexa-peri-benzocoronene–Alkyne Coupling Products  |  Johannes Müller, Janina Buck, Prof. Dr. Andreas Hirsch. 2023. European Journal of Organic Chemistry. 26.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-Ethynylbenzonitrile, 5 g

sc-232667
5 g
$246.00