Description

Trichloro((perfluorohexyl)ethyl)silane (CAS: 78560-45-9) is a highly specialized organosilane compound with the molecular formula C₈H₄Cl₃F₁₃Si. This fluorinated silane derivative is widely used in surface modification, nanotechnology, and materials science due to its unique hydrophobic and oleophobic properties. Its perfluorohexyl chain provides exceptional chemical resistance, thermal stability, and low surface energy, making it ideal for creating superhydrophobic coatings, anti-fouling surfaces, and self-cleaning materials. The trichlorosilane group enables covalent bonding to hydroxylated surfaces (e.g., glass, silicon, metals), ensuring durable functionalization. This reagent is supplied as a clear, colorless to pale yellow liquid with high purity (typically ≥97%) and must be stored under inert conditions due to moisture sensitivity. Applications range from microelectronics to biomedical devices where controlled surface wettability is critical.

Key Features:

• Fluorinated alkyl chain for extreme hydrophobicity
• Reactive trichlorosilane group for surface anchoring
• Exceptional chemical and thermal stability
• Compatible with vapor-phase deposition techniques

Properties

• CAS Number: 78560-45-9
• Complexity: 481
• IUPAC Name: trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane
• InChI: InChI=1S/C8H4Cl3F13Si/c9-25(10,11)2-1-3(12,13)4(14,15)5(16,17)6(18,19)7(20,21)8(22,23)24/h1-2H2
• InChI Key: PISDRBMXQBSCIP-UHFFFAOYSA-N
• Exact Mass: 479.894026
• Molecular Formula: C8H4Cl3F13Si
• Molecular Weight: 481.5
• SMILES: C(C[Si](Cl)(Cl)Cl)C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F
• Monoisotopic Mass: 479.894026
• Synonyms: 78560-45-9, Trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane, Trichloro((perfluorohexyl)ethyl)silane, EINECS 278-947-6, Silane, trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)-, 25E5DZ5GL8, (tridecafluoro-1,1,2,2-tetrahydrooctyl)trichlorosilane, DTXSID50229163, DTXCID70151654, 278-947-6, 1h,1h,2h,2h-Perfluorooctyltrichlorosilane, Trichloro(1H,1H,2H,2H-tridecafluoro-n-octyl)silane, Trichloro(1H,1H,2H,2H-perfluorooctyl)silane, 1h,1h,2h,2h-perfluorooctyl trichlorosilane, MFCD00042363, C8H4Cl3F13Si, UNII-25E5DZ5GL8, SCHEMBL65168, AKOS008901235, FS-5032, FT62909, [2-(Perfluorohexyl)ethyl]trichlorosilane, 1H,1H,2H,2H-Perfluoroctyltrichlorosilane, DB-016684, trichloro(1h,1h,2h,2h-perfluoroctyl)silane, CS-0213771, NS00058473, T2577, D92618, Trichloro(1H,1H,2H,2H-perfluoro-n-octyl)silane, Trichloro(1H,1H,2H,2H-perfluorooctyl)silane, 97%, (Tridecafluoro-1,1,2,2-Tetrahydroctyl)Trichlorosilane, 1-(Trichlorosilyl)-1H,1H,2H,2H-tridecafluoro-n-octane, 1H,1H,2H,2H-Perfluorooctyltrichlorosilane stabilized over Cu, 1H,1H,2H,2H-Perfluorooctyl-trichlorosilane, Trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane, Trichloro(1H,1H,2H,2H-perfluoro-n-octyl)silane;1-(Trichlorosilyl)-1H,1H,2H,2H-tridecafluoro-n-octane

Trichloro((perfluorohexyl)ethyl)silane is primarily used to create hydrophobic monolayers on oxide surfaces via self-assembly. In microelectronics, it passivates silicon wafers to reduce stiction in MEMS devices. Biomedical researchers employ it to modify implant surfaces for reduced protein adsorption. The compound also serves as a key intermediate in synthesizing fluorinated stationary phases for chromatography.

Safety and Hazards

GHS Hazard Statements

• H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H335 (34.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P260, P261, P264, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P319, P321, P363, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Corr. 1B (100%)
• STOT SE 3 (34.2%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.