Date published: 2026-4-30

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Trichloro(octadecyl)silane (CAS 112-04-9)

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Alternate Names:
Octadecyltrichlorosilane
CAS Number:
112-04-9
Molecular Weight:
387.93
Molecular Formula:
C18H37SiCl3
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.
Available in US only.
* Refer to Certificate of Analysis for lot specific data.

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Trichloro(octadecyl)silane is a chemical compound extensively used in surface chemistry to modify the properties of various substrates through the formation of self-assembled monolayers. This compound facilitates the creation of hydrophobic surfaces, making it valuable in research aimed at studying water-repellent coatings on glass, metals, and polymers. Researchers employ trichloro(octadecyl)silane to explore its application in nanotechnology, particularly for adjusting the surface characteristics of nanomaterials to enhance their stability and functionality in different environments. The ability of trichloro(octadecyl)silane to form stable covalent bonds with surface hydroxyl groups allows it to be used in studies focusing on corrosion resistance and biocompatibility. Additionally, it is instrumental in the development of sensors and microfluidic devices, where modification of surface properties can significantly influence device performance.


Trichloro(octadecyl)silane (CAS 112-04-9) References

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  2. Electrodes modified with lipid membranes to study quinone oxidoreductases.  |  Weiss, SA. and Jeuken, LJ. 2009. Biochem Soc Trans. 37: 707-12. PMID: 19614580
  3. Transfer-free growth of few-layer graphene by self-assembled monolayers.  |  Shin, HJ., et al. 2011. Adv Mater. 23: 4392-7. PMID: 21882264
  4. Short-range optical air data measurements for aircraft control using rotational Raman backscatter.  |  Fraczek, M., et al. 2013. Opt Express. 21: 16398-414. PMID: 23938491
  5. Fluorescence-correlation spectroscopy study of molecular transport within reversed-phase chromatographic particles compared to planar model surfaces.  |  Cooper, J. and Harris, JM. 2014. Anal Chem. 86: 11766-72. PMID: 25356685
  6. Spatial resolution in thin film deposition on silicon surfaces by combining silylation and UV/ozonolysis.  |  Guo, L. and Zaera, F. 2014. Nanotechnology. 25: 504006. PMID: 25431897
  7. Support-Free Transfer of Ultrasmooth Graphene Films Facilitated by Self-Assembled Monolayers for Electronic Devices and Patterns.  |  Wang, B., et al. 2016. ACS Nano. 10: 1404-10. PMID: 26701198
  8. Formation of hybrid bilayers on silanized thin-film Ti electrode.  |  Valiūnienė, A., et al. 2017. Chem Phys Lipids. 202: 62-68. PMID: 27964891
  9. Development of liquid repellent coating on cotton fabric by simple binary silanization with excellent self-cleaning and oil-water separation properties.  |  Panda, A., et al. 2018. Carbohydr Polym. 181: 1052-1060. PMID: 29253931
  10. Influence of Calcium Silicate and Hydrophobic Agent Coatings on Thermal, Water Barrier, Mechanical and Biodegradation Properties of Cellulose.  |  Chandrasekaran, S., et al. 2021. Nanomaterials (Basel). 11: PMID: 34199769
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  12. Surface characterisation reveals substrate suitability for cyanobacterial phototaxis.  |  Julius, LAN., et al. 2023. Acta Biomater. 155: 386-399. PMID: 36280031
  13. Facile preparation of flame-retardant cellulose composite with biodegradable and water resistant properties for electronic device applications.  |  Chandrasekaran, S., et al. 2023. Sci Rep. 13: 3168. PMID: 36823347

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Trichloro(octadecyl)silane, 25 g

sc-255688
25 g
$138.00
US: Only available in the US

Trichloro(octadecyl)silane, 250 g

sc-255688A
250 g
$468.00
US: Only available in the US