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H61244 4-Ethynylbenzonitrile, 97%

CAS Number

Stock No. Size Price ($) Quantity Availability
H61244-03 1g 68.00
H61244-06 5g 230.00
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4-Ethynylbenzonitrile, 97%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Ambient temperatures.
Slightly soluble in water.


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.


Incompatible with strong oxidizing agents, acids and organic materials.

Literature References

Zhang, C.; Liu, J.; Xia, C. Palladium-N-heterocyclic carbene (NHC)-catalyzed synthesis of 2-ynamides via oxidative aminocarbonylation of alkynes with amines. Catal. Sci. Technol. 2015, 5 (10), 4750-4754.

Tadeo-León, J.; Fomine, S.; Bizarro, M.; Guadarrama, P. Fully conjugated push-pull dendrons with high dipole moments in excited state; synthesis and theoretical rationalization. J. Phys. Org. Chem. 2015, 28 (4), 304-311.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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