2-Octynoic acid

CAS Registry Number®

5663-96-7

CAS Name

2-Octynoic acid

Molecular Formula

C8H12O2

Molecular Mass

140.18

Cite this Page

2-Octynoic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5663-96-7 (retrieved 2025-04-19) (CAS RN: 5663-96-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    158 °C @ Press: 38 Torr

  • Melting Point (2)

    4 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C8H12O2/c1-2-3-4-5-6-7-8(9)10/h2-5H2,1H3,(H,9,10)

InChIKey

InChIKey=BQDKCWCMDBMLEH-UHFFFAOYSA-N

SMILES

C(CCCCC)#CC(O)=O

Canonical SMILES

O=C(O)C#CCCCCC

Other Names for this Substance

  • 2-Octynoic acid
  • 2-Octyn-1-oic acid
  • Pentylpropiolic acid
  • NSC 75855