2-Ethylheptanoic acid

CAS Registry Number®

3274-29-1

CAS Name

2-Ethylheptanoic acid

Molecular Formula

C9H18O2

Molecular Mass

158.24

Cite this Page

2-Ethylheptanoic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   https://commonchemistry.cas.org/detail?cas_rn=3274-29-1 (retrieved 2025-04-04) (CAS RN: 3274-29-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    123 °C @ Press: 8 Torr

  • Density (2)

    0.8969 g/cm³ @ Temp: 30 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H18O2/c1-3-5-6-7-8(4-2)9(10)11/h8H,3-7H2,1-2H3,(H,10,11)

InChIKey

InChIKey=DYWSVUBJGFTOQC-UHFFFAOYSA-N

SMILES

C(CCCCC)(C(O)=O)CC

Canonical SMILES

O=C(O)C(CC)CCCCC

Other Names for this Substance

  • Heptanoic acid, 2-ethyl-
  • 2-Ethylheptanoic acid
  • 3-Octanecarboxylic acid