Description

2-(Perfluorobutyl)ethanethiol (CAS No. 34451-25-7) is a high-purity fluorinated thiol compound with the molecular formula C₆H₅F₉S and IUPAC name 3,3,4,4,5,5,6,6,6-nonafluorohexane-1-thiol. This specialty chemical features a perfluorobutyl group attached to an ethanethiol moiety, offering unique hydrophobic and oleophobic properties due to its fluorinated tail. The compound is supplied as a clear, colorless to pale yellow liquid with a characteristic thiol odor, and is highly reactive due to the presence of the thiol (-SH) functional group. It is ideal for surface modification, self-assembled monolayers (SAMs), and as a building block in organic synthesis. Suitable for research and industrial applications, this product is handled under strict quality control to ensure consistency and performance.

Properties

• CAS Number: 34451-25-7
• Complexity: 243
• IUPAC Name: 3,3,4,4,5,5,6,6,6-nonafluorohexane-1-thiol
• InChI: InChI=1S/C6H5F9S/c7-3(8,1-2-16)4(9,10)5(11,12)6(13,14)15/h16H,1-2H2
• InChI Key: GQJXVHYUQPXZOL-UHFFFAOYSA-N
• Exact Mass: 279.99682479
• Molecular Formula: C6H5F9S
• Molecular Weight: 280.16
• SMILES: C(CS)C(C(C(C(F)(F)F)(F)F)(F)F)(F)F
• Topological: 1
• Monoisotopic Mass: 279.99682479
• Synonyms: 34451-25-7, 2-(Perfluorobutyl)ethanethiol, 1-Hexanethiol, 3,3,4,4,5,5,6,6,6-nonafluoro-, UNII-Z3A52935OO, Z3A52935OO, DTXSID40880388, DTXCID801021851, 3,3,4,4,5,5,6,6,6-Nonafluoro-1-hexanethiol, 3,3,4,4,5,5,6,6,6-nonafluorohexane-1-thiol, 1H,1H,2H,2H-Perfluoro-1-hexanethiol, 1h,1h,2h,2h-perfluorohexanethiol, UNII-6YB1QSX4GF, 6YB1QSX4GF, SCHEMBL624254, 3,3,4,4,5,5,6,6,6-Nonafluoro-1-hexyl mercaptan, SCHEMBL5508538, GQJXVHYUQPXZOL-UHFFFAOYSA-N, EINECS 268-781-2, MFCD04038393, AKOS015898341, Thiols, C6-12, gamma-omega-perfluoro, NS00006116, G65391, Q27294943, 3,3,4,4,5,5,6,6,6-Nonafluoro-1-hexanethiol, >=97.0% (GC)

Application

2-(Perfluorobutyl)ethanethiol is widely used in surface science for creating hydrophobic and oleophobic coatings via self-assembled monolayers (SAMs) on gold and other metals. It serves as a key intermediate in the synthesis of fluorinated surfactants and polymers, enhancing material properties such as chemical resistance and low surface energy. Researchers also employ it in nanotechnology for modifying nanoparticle surfaces to impart fluorinated characteristics.

Safety and Hazards

GHS Hazard Statements

• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264+P265, P280, P305+P351+P338, and P337+P317

Hazard Classes and Categories

• Eye Irrit. 2 (100%)

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