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CAS No 623-47-2 , ethyl prop-2-ynoate

  • Name: ethyl prop-2-ynoate
  • Synonyms: ethyl prop-2-ynoate; ETHYL PROPYNOATE; Ethyl acetylenecarboxylate; ethyl ester;623-47-2;ethyl prop-2-ynoate; (Ethoxycarbonyl)acetylene; 2-Propynoic acid;
  • CAS Registry Number:
  • Transport: UN 3272
  • Melting Point: 9 ºC
  • Flash Point: 23 ºC
  • Boiling Point: 120 ºC
  • Density: 0.968
  • Refractive index: 1.411-1.413
  • Water Solubility: MISCIBLE
  • Safety Statements: R10;R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29161980
  • Flash Point: 23 ºC
  • EINECS: 210-795-8
  • Molecular Weight: 98.09994
  • InchiKey: FMVJYQGSRWVMQV-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H6O2/c1-3-5(6)7-4-2/h1H,4H2,2H3
  • Risk Statements: S16;S26;S37/39
  • Molecular Formula: C5H6O2
  • Molecular Structure:CAS No:623-47-2 ethyl prop-2-ynoate

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623-47-2 Ethyl Propiolate

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References of ethyl prop-2-ynoate
Title: Ethyl Propiolate
CAS Registry Number: 623-47-2
CAS Name: 2-Propynoic acid ethyl ester
Synonyms: ethyl acetylenecarboxylate
Molecular Formula: C5H6O2
Molecular Weight: 98.10
Percent Composition: C 61.22%, H 6.16%, O 32.62%
Literature References: Michael acceptor in organic synthesis. Prepn: W. H. Perkin, Jr., J. L. Simonsen, J. Chem. Soc. 1907, 816. IR spectrum and rotational isomerism study: S. W. Charles et al., J. Mol. Struct. 26, 249 (1975). Use in photochemical addition reactions: G. Büchi, S. H. Feairheller, J. Org. Chem. 34, 609 (1969); in Michael addition reactions: A. Hong, J. M. Friedman, Synth. Commun. 27, 2971 (1997); in halo aldol reactions with aldehydes: D. Chen et al., Eur. J. Org. Chem. 2004, 3330. Review of use as a peptide coupling reagent: B. Iorga, J.-M. Campagne, Synlett 2004, 1826-1828.
Properties: Distills at 119° (745 mm); also reported as bp 122° (Büchi, Feairheller). d44 0.9788. d1515 0.9676. d2525 0.9583.
Boiling point: 119°; bp 122° (Büchi, Feairheller)
Density: d44 0.9788; d1515 0.9676; d2525 0.9583
Use: In organic synthesis; peptide coupling reagent.