2-Propynoic acid, 3-phenyl-, ethyl ester

CAS Registry Number®

2216-94-6

CAS Name

2-Propynoic acid, 3-phenyl-, ethyl ester

Molecular Formula

C11H10O2

Molecular Mass

174.20

Cite this Page

2-Propynoic acid, 3-phenyl-, ethyl ester.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2216-94-6 (retrieved 2025-06-27) (CAS RN: 2216-94-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    111.5-115.0 °C @ Press: 3 Torr

  • Melting Point (2)

    149-150 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C11H10O2/c1-2-13-11(12)9-8-10-6-4-3-5-7-10/h3-7H,2H2,1H3

InChIKey

InChIKey=ACJOYTKWHPEIHW-UHFFFAOYSA-N

SMILES

C(#CC(OCC)=O)C1=CC=CC=C1

Canonical SMILES

O=C(C#CC=1C=CC=CC1)OCC

Other Names for this Substance

  • 2-Propynoic acid, 3-phenyl-, ethyl ester
  • Propiolic acid, phenyl-, ethyl ester
  • Ethyl phenylpropiolate
  • Ethyl 3-phenylpropiolate
  • Ethyl phenylacetylenecarboxylate

View All

CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.