Description

(4-Fluorophenyl)trimethoxysilane (CAS No. 53883-61-7) is a highly versatile organosilane compound with the molecular formula C₉H₁₃FO₃Si. This fluorinated silane coupling agent features a reactive trimethoxysilane group and a 4-fluorophenyl moiety, making it ideal for surface modification, adhesion promotion, and functionalization of inorganic substrates. With a purity grade suitable for research and industrial applications, it is commonly used in the synthesis of advanced materials, coatings, and hybrid polymers. Its hydrolytic stability and ability to form covalent bonds with hydroxylated surfaces (e.g., glass, metals, or silica) make it a preferred choice for scientists working in nanotechnology, electronics, and composite materials. Proper handling under inert conditions is recommended due to its moisture sensitivity.

Properties

• CAS Number: 53883-61-7
• Complexity: 159
• IUPAC Name: (4-fluorophenyl)-trimethoxy-silane
• InChI: InChI=1S/C9H13FO3Si/c1-11-14(12-2,13-3)9-6-4-8(10)5-7-9/h4-7H,1-3H3
• InChI Key: YZKWHKGWYCDOMG-UHFFFAOYSA-N
• Exact Mass: 216.06179897
• Molecular Formula: C9H13FO3Si
• Molecular Weight: 216.28
• SMILES: CO[Si](C1=CC=C(C=C1)F)(OC)OC
• Topological: 27.7
• Monoisotopic Mass: 216.06179897
• Synonyms: (4-Fluorophenyl)trimethoxysilane, 53883-61-7, DTXSID20469251, DTXCID30420070, P-fluorophenyltriMethoxysilane, (4-fluorophenyl)-trimethoxysilane, C9H13FO3Si, 4-Fluorophenyltrimethoxysilane, SCHEMBL10158486, MFCD22376646, DB-327814, F74794

Application

(4-Fluorophenyl)trimethoxysilane is widely employed as a surface modifier to enhance the adhesion and compatibility of fluorinated organic groups with inorganic substrates. It serves as a key intermediate in the preparation of hydrophobic coatings, low-refractive-index materials, and corrosion-resistant layers. Researchers also utilize it in sol-gel processes to create hybrid organic-inorganic materials for optoelectronic and biomedical applications. Its fluorophenyl group enables tailored surface properties, such as chemical resistance and reduced surface energy, in advanced material science.

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