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352530-29-1 - 4-Ethynylpyridine hydrochloride, 97% - H53455 - Alfa Aesar

H53455 4-Ethynylpyridine hydrochloride, 97%

CAS Number

Size Price ($) Quantity Availability
1g 89.40
5g 336.81
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4-Ethynylpyridine hydrochloride, 97%


Chemical Properties

Formula Weight
Melting point
ca 150° dec.


4-pyridylacetylene hydrochloride is used in the preparation of alkynyl platinum(II) compounds with dichloro (1,2-bis(diphenylphosphino)ethane)platinium(II) complex in the presence of base and copper iodide as catalyst. It is used as an intermediate in the synthesis of 1,4-bis(4-pyridyl)butadiyne.


Hygroscopic. Incompatible with strong oxidizing agents.

Literature References

Mishra, A.; Ravikumar, S.; Song, Y. H.; Prabhu, N. S.; Kim, H.; Hong, S. H.; Cheon, S.; Noh, J.; Chi, K. W. A new arene-Ru based supramolecular coordination complex for efficient binding and selective sensing of green fluorescent protein. Dalton Trans. 2014, 43 (16), 6032-6040.

Alvarino, C.; Simond, D.; Lorente, P. M.; Besnard, C.; Williams, A. F. Chains, Necklaces and Weaving Chain-link Grids from Self-Assembly Reactions. Chem. Eur. J. 2015, 21 (24), 8851-8858.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

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