Date published: 2026-4-30

1-800-457-3801

SCBT Portrait Logo
Seach Input

Octadecylsilane (CAS 18623-11-5)

0.0(0)
Write a reviewAsk a question

Alternate Names:
n-Octadecylsilane
Application:
Octadecylsilane is an organometallic reagent used in organic synthesis and for SAMs
CAS Number:
18623-11-5
Purity:
≥96%
Molecular Weight:
284.60
Molecular Formula:
C18H40Si
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

Octadecylsilane is a compound that is widely used in the field of material science, particularly in the development of self-assembled monolayers (SAMs) and surface modification techniques. Its long alkyl chain and reactive silane group allow it to form hydrophobic coatings on a variety of substrates, such as glass, metal oxides, and silicon wafers, which are utilized to alter surface properties like wettability, adhesion, and chemical resistance. In chromatography, octadecylsilane is employed to modify silica surfaces in the creation of reverse-phase chromatographic columns, which are essential tools for the separation of non-polar compounds. Researchers also investigate the use of octadecylsilane in the production of low-k dielectric materials for semiconductor technologies, where control over electrical properties is crucial. Furthermore, the ability of octadecylsilane to create ordered molecular assemblies is of interest in the study of nanostructured materials and their potential applications in nanotechnology.


Octadecylsilane (CAS 18623-11-5) References

  1. Stabilization of liquid interface and control of two-phase confluence and separation in glass microchips by utilizing octadecylsilane modification of microchannels.  |  Hibara, A., et al. 2002. Anal Chem. 74: 1724-8. PMID: 12033266
  2. Adsorption and desorption dynamics of sodium dodecyl sulfate at the octadecylsilane layer on the pore surface of a mesoporous silica film observed in-situ by optical waveguide spectroscopy.  |  Yamaguchi, A., et al. 2011. Anal Sci. 27: 597-603. PMID: 21666356
  3. Simple and rapid HPLC-UV method using an ultrafine particle octadecylsilane for determination of residual fentanyl in applied Durotep MT transdermal matrix patches and its clinical application.  |  Naito, T., et al. 2012. Chem Pharm Bull (Tokyo). 60: 56-61. PMID: 22223375
  4. Automated magnetic sorbent extraction based on octadecylsilane functionalized maghemite magnetic particles in a sequential injection system coupled with electrothermal atomic absorption spectrometry for metal determination.  |  Giakisikli, G. and Anthemidis, AN. 2013. Talanta. 110: 229-35. PMID: 23618196
  5. Application of functionalized magnetic nanoparticles in sample preparation.  |  Xie, L., et al. 2014. Anal Bioanal Chem. 406: 377-99. PMID: 24037613
  6. Determination of Mycotoxins in Brown Rice Using QuEChERS Sample Preparation and UHPLC-MS-MS.  |  Jettanajit, A. and Nhujak, T. 2016. J Chromatogr Sci. 54: 720-9. PMID: 26796964
  7. Thermally Induced Silane Dehydrocoupling on Silicon Nanostructures.  |  Kim, D., et al. 2016. Angew Chem Int Ed Engl. 55: 6423-7. PMID: 27101022
  8. A narrow open tubular column for high efficiency liquid chromatographic separation.  |  Chen, H., et al. 2018. Analyst. 143: 2008-2011. PMID: 29632901
  9. Determination, risk assessment and processing factors for pyridaben in field-incurred kiwifruit samples.  |  Wang, N., et al. 2020. J Environ Sci Health B. 55: 613-619. PMID: 32308122
  10. Simultaneous determination of tiafenacil and its six metabolites in fruits using ultra-high-performance liquid chromatography/tandem mass spectrometry.  |  Hu, M., et al. 2020. Food Chem. 327: 127015. PMID: 32434124
  11. Simultaneous determination of isoxaflutole and its two metabolites in corn under field conditions by LC-MS/MS.  |  Lan, F., et al. 2022. J Sci Food Agric. 102: 3480-3486. PMID: 34820836
  12. Multi-residue analysis of 206 pesticides in grass forage by the one-step quick, easy, cheap, effective, rugged, and safe method combined with ultrahigh-performance liquid chromatography quadrupole orbitrap mass spectrometry.  |  Wu, X., et al. 2022. J Sep Sci. 45: 2520-2528. PMID: 35569141
  13. Simultaneous determination of succinate-dehydrogenase-inhibitor fungicide traces in cereals by QuEChERS preparation and UPLC-MS/MS analysis.  |  Zhao, H., et al. 2022. Food Chem. 396: 133708. PMID: 35878445
  14. Quantification and purification of procyanidin B1 from food byproducts.  |  Ma, JN., et al. 2022. J Food Sci. 87: 4905-4916. PMID: 36303405
  15. Determination of 3-chloro-1,2-propanediol in biological samples by quick-easy-cheap-effective-rugged-and-safe extraction coupled with gas chromatography-mass spectrometry and its biodistribution in rats.  |  Lv, L., et al. 2023. J Sep Sci. 46: e2200910. PMID: 37002557

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Octadecylsilane, 25 g

sc-228872
25 g
$125.00