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Atomfair Ethyl propiolate C5H6O2

Description Ethyl Propiolate (CAS 623-47-2) is a highly reactive alkyne ester with the molecular formula C5H6O2. This clear to pale yellow liquid is widely used in organic synthesis due to its terminal alkyne functionality and ester group, making it a versatile building block for pharmaceuticals, agrochemicals, and specialty materials. Ethyl propiolate, also known as ethyl prop-2-ynoate or ethyl acetylenecarboxylate , is characterized by its sharp odor and low boiling point (??125-127??C). It is sensitive to moisture and air, requiring storage under inert conditions. With a density of ~0.98 g/mL at 25??C, this compound is soluble in common organic solvents like…

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Description

Description

Ethyl Propiolate (CAS 623-47-2) is a highly reactive alkyne ester with the molecular formula C5H6O2. This clear to pale yellow liquid is widely used in organic synthesis due to its terminal alkyne functionality and ester group, making it a versatile building block for pharmaceuticals, agrochemicals, and specialty materials. Ethyl propiolate, also known as ethyl prop-2-ynoate or ethyl acetylenecarboxylate, is characterized by its sharp odor and low boiling point (??125-127??C). It is sensitive to moisture and air, requiring storage under inert conditions. With a density of ~0.98 g/mL at 25??C, this compound is soluble in common organic solvents like ethanol, ether, and dichloromethane but immiscible with water. Researchers value its role in click chemistry, Michael additions, and cycloaddition reactions.

  • CAS No: 623-47-2
  • Molecular Formula: C5H6O2
  • Molecular Weight: 98.10
  • Exact Mass: 98.036779430
  • Monoisotopic Mass: 98.036779430
  • IUPAC Name: ethyl prop-2-ynoate
  • SMILES: CCOC(=O)C#C
  • Synonyms: Ethyl propiolate, 623-47-2, ethyl prop-2-ynoate, Ethyl acetylenecarboxylate, 2-Propynoic acid, ethyl ester

Application

Ethyl propiolate serves as a key intermediate in the synthesis of heterocyclic compounds and conjugated polymers. It is employed in pharmaceutical research for creating acetylene-based drug candidates and prodrugs. The compound’s reactivity also makes it valuable for modifying biomolecules in bioconjugation studies. Additionally, it is used in material science to develop advanced coatings and adhesives with tailored properties.

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