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1-Octadecanethiol

CAS Registry Number®

2885-00-9

CAS Name

1-Octadecanethiol

Molecular Formula

C18H38S

Molecular Mass

286.56

Cite this Page

1-Octadecanethiol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   https://commonchemistry.cas.org/detail?cas_rn=2885-00-9 (retrieved 2025-04-05) (CAS RN: 2885-00-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    125-130 °C @ Press: 0.5 Torr

  • Melting Point (2)

    30 °C

  • Density (3)

    8.47 x 10⁻⁴ g/cm³ @ Temp: 25 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C18H38S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3

InChIKey

InChIKey=QJAOYSPHSNGHNC-UHFFFAOYSA-N

SMILES

C(CCCCCCCCC)CCCCCCCCS

Canonical SMILES

SCCCCCCCCCCCCCCCCCC

Other Names for this Substance

  • 1-Octadecanethiol
  • Octadecyl mercaptan
  • Stearyl mercaptan
  • n-Octadecyl mercaptan
  • Octadecanethiol

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