Date published: 2025-12-18

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1-Octadecanethiol (CAS 2885-00-9)

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Alternate Names:
Mercaptan C18; Octadecyl mercaptan; Stearyl mercaptan
CAS Number:
2885-00-9
Purity:
≥97%
Molecular Weight:
286.56
Molecular Formula:
C18H38S
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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1-Octadecanethiol is a long-chain alkane thiol that functions as a surface modifier in experimental applications. It acts as a self-assembled monolayer on metal surfaces, forming a densely packed and ordered molecular structure. This allows for the modification of surface properties, such as wettability and adhesion. The thiol group of 1-Octadecanethiol interacts with metal surfaces through chemisorption, forming strong covalent bonds. This interaction results in the formation of a well-defined and stable monolayer, which can be utilized to control the surface chemistry of metal substrates. 1-Octadecanethiol can act as a template for the growth of nanoparticles on metal surfaces, providing a means to create structured and functionalized surfaces for experimental purposes.


1-Octadecanethiol (CAS 2885-00-9) References

  1. Self-assembled 1-octadecanethiol monolayers on graphene for mercury detection.  |  Zhang, T., et al. 2010. Nano Lett. 10: 4738-41. PMID: 20931998
  2. Thermal Conductivity and Stability of Hydrocarbon-Based Nanofluids with Palladium Nanoparticles Dispersed by Modified Hyperbranched Polyglycerol.  |  Qin, X., et al. 2020. ACS Omega. 5: 31156-31163. PMID: 33324824
  3. Self-Assembled 1-Octadecanethiol Membrane on Pd/ZnO for a Selective Room Temperature Flexible Hydrogen Sensor.  |  Pathak, P. and Cho, HJ. 2021. Micromachines (Basel). 13: PMID: 35056191
  4. Two Biosensors for the Determination of Interleukin-6 in Blood Plasma by Array SPRi.  |  Szymanska, B., et al. 2022. Biosensors (Basel). 12: PMID: 35735559
  5. Introduction to flexible nanomaterials: microscopic mechanisms and macroscopic applications.  |  Cheng, Y., et al. 2022. Nanoscale Adv. 4: 1716-1717. PMID: 36132166
  6. Ligand-assisted deposition of ultra-small Au nanodots on Fe2O3/reduced graphene oxide for flexible gas sensors.  |  Wang, J., et al. 2022. Nanoscale Adv. 4: 1345-1350. PMID: 36133674
  7. A multifunctional heterogeneous superwettable coating for water collection, oil/water separation and oil absorption.  |  Tao, X., et al. 2023. J Hazard Mater. 443: 130166. PMID: 36265375
  8. Spontaneous Patterning of Binary Ligand Mixtures on CdSe Nanocrystals: From Random to Janus Packing.  |  Elimelech, O., et al. 2023. ACS Nano. 17: 5852-5860. PMID: 36893308
  9. Temperature and pH endurable self-assembled camellia-like nanostructure achieved on zinc sheet with superamphiphobicity for fog harvesting.  |  Li, R., et al. 2023. Heliyon. 9: e14775. PMID: 37035379
  10. Robust Janus Superwetting Textile with Large Pore Sizes for Oil-in-Water Emulsion Separation.  |  Zhao, S., et al. 2023. Langmuir. 39: 6249-6257. PMID: 37073894
  11. Guiding Metal Organic Framework Morphology via Monolayer Artificial Defect-Induced Preferential Facet Selection.  |  Kar, P., et al. 2023. JACS Au. 3: 1118-1130. PMID: 37124286
  12. Tunable CO2 electroreduction to ethanol and ethylene with controllable interfacial wettability.  |  Lin, Y., et al. 2023. Nat Commun. 14: 3575. PMID: 37328481

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

1-Octadecanethiol, 25 ml

sc-224775
25 ml
$51.00