Octadecane

CAS Registry Number®

593-45-3

CAS Name

Octadecane

Molecular Formula

C18H38

Molecular Mass

254.49

Cite this Page

Octadecane.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=593-45-3 (retrieved 2025-03-28) (CAS RN: 593-45-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    316.8 °C

  • Melting Point (2)

    28.2 °C

  • Density (3)

    0.834 g/cm³ @ Temp: 28 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C18H38/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3-18H2,1-2H3

InChIKey

InChIKey=RZJRJXONCZWCBN-UHFFFAOYSA-N

SMILES

C(CCCCCCCCC)CCCCCCCC

Canonical SMILES

CCCCCCCCCCCCCCCCCC

Other Names for this Substance

  • Octadecane
  • n-Octadecane
  • C18-n-Alkane
  • NSC 4201
  • Cactus Normal Paraffin TS 8

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