Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

H53455 4-Ethynylpyridine hydrochloride, 97%

CAS Number

Stock No. Size Price ($) Quantity Availability
H53455-03 1g 85.40
H53455-06 5g 321.00
Add to Cart Bulk/Specialty Print Quote View Item

4-Ethynylpyridine hydrochloride, 97%


Chemical Properties

Formula Weight
Melting point
ca 150° dec.
Storage & Sensitivity
Ambient temperatures.


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-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

Harmonized Tariff Code


Recently Viewed


Life Science

Metals & Materials


Analytical & Labware