Elaidic acid

CAS Registry Number®

112-79-8

CAS Name

Elaidic acid

Molecular Formula

C18H34O2

Molecular Mass

282.46

Cite this Page

Elaidic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=112-79-8 (retrieved 2025-06-29) (CAS RN: 112-79-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    45 °C

  • Density (2)

    0.8734 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9+

InChIKey

InChIKey=ZQPPMHVWECSIRJ-MDZDMXLPSA-N

SMILES

C(C/C=C/CCCCCCCC)CCCCCC(O)=O

Canonical SMILES

O=C(O)CCCCCCCC=CCCCCCCCC

Other Names for this Substance

  • 9-Octadecenoic acid, (9E)-
  • Elaidic acid
  • 9-Octadecenoic acid, (E)-
  • (9E)-9-Octadecenoic acid
  • trans-Δ9-Octadecenoic acid

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