Description

2-(Perfluorohexyl)ethanethiol (CAS No. 34451-26-8) is a high-purity fluorinated thiol compound with the molecular formula C₈H₅F₁₃S. This specialty chemical features a perfluorohexyl group coupled with an ethanethiol moiety, offering unique hydrophobic and oleophobic properties due to its fluorinated chain. Its IUPAC name, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-thiol, reflects its highly fluorinated structure, making it ideal for surface modification and self-assembled monolayer (SAM) applications. With excellent chemical stability and low surface energy, this compound is widely used in advanced material science, nanotechnology, and coatings. Available in rigorously controlled batches, it is suitable for research, industrial applications, and high-performance material development.

Properties

• CAS Number: 34451-26-8
• Complexity: 395
• IUPAC Name: 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-thiol
• InChI: InChI=1S/C8H5F13S/c9-3(10,1-2-22)4(11,12)5(13,14)6(15,16)7(17,18)8(19,20)21/h22H,1-2H2
• InChI Key: GTPHVVCYEWPQFE-UHFFFAOYSA-N
• Exact Mass: 379.9904374
• Molecular Formula: C8H5F13S
• Molecular Weight: 380.17
• SMILES: C(CS)C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F
• Topological: 1
• Monoisotopic Mass: 379.9904374
• Synonyms: 34451-26-8, 2-(Perfluorohexyl)ethanethiol, 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluoro-1-octanethiol, UNII-66E2ZQ1P07, 1,1,2,2-Tetrahydroperfluorooctanethiol, 1,1,2,2-Tetrahydroperfluorooctyl mercaptan, 66E2ZQ1P07, 1-Octanethiol, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-, DTXSID20379947, DTXCID80330973, 1H,1H,2H,2H-Perfluorooctanethiol, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-thiol, 1h,1h,2h,2h-perfluorooctyl-1-thiol, Foralkyl EM 6;, 2-(Perfluorohexyl)ethanethiol;, 2-(Perfluorohexyl)ethane-1-thiol;, 1H,1H,1H,2H-Perfluorooctanethiol;, 1H,1H,2H,2H-Perfluorooctanethiol;, 1,1,2,2-Tetrahydroperfluorooctanethiol;, 1,1,2,2-Tetrahydroperfluorooctyl Mercaptan;, 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluoro-1-octanethiol;, MFCD00792427, SCHEMBL419565, SCHEMBL4425299, 1H,1H,1H,2H-Perfluorooctanethiol, MSK160287, 1h,1h,2h,2h-perfluorooctane-1-thiol, AKOS015898790, 1H,1H,2H,2H-Perfluoro-1-octanethiol, AS-81364, DB-048626, NS00018957, E83908, A822243, Q27263989, 3,3,4,4,5,5,6,6,7,7,8,8,8 Tridecafluoro-1-octanethiol, 3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluoro-1-octanethiol, 97%, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecakis(fluoranyl)octane-1-thiol

Application

2-(Perfluorohexyl)ethanethiol is primarily used in surface engineering to create hydrophobic and anti-fouling coatings. It forms self-assembled monolayers (SAMs) on gold, silver, and other metal surfaces, enhancing corrosion resistance and reducing friction. The compound is also employed in nanoparticle functionalization for biomedical and electronic applications. Its fluorinated tail provides exceptional chemical inertness, making it valuable in microfluidics and MEMS devices. Researchers utilize it to study interfacial phenomena and develop advanced materials with tailored surface properties.

Safety and Hazards

GHS Hazard Statements

• H315 (95.2%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (95.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (95.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (95.2%)
• Eye Irrit. 2 (95.2%)
• STOT SE 3 (95.2%)

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