Description

Perfluoropinacol (CAS 918-21-8) is a highly fluorinated organic compound with the molecular formula C₆H₂F₁₂O₂. Its IUPAC name is 1,1,1,4,4,4-hexafluoro-2,3-bis(trifluoromethyl)butane-2,3-diol. This specialty chemical features a unique perfluorinated pinacol structure, making it valuable for advanced synthetic and material science applications. With exceptional thermal and chemical stability due to its fluorine-rich backbone, Perfluoropinacol is ideal for high-performance fluoropolymer synthesis, catalysis, and as a precursor for fluorinated ligands. Supplied as a high-purity solid, it is rigorously tested to meet the stringent requirements of research and industrial applications. Store in a cool, dry place under inert conditions to maintain stability.

Properties

• CAS Number: 918-21-8
• Complexity: 292
• IUPAC Name: 1,1,1,4,4,4-hexafluoro-2,3-bis(trifluoromethyl)butane-2,3-diol
• InChI: InChI=1S/C6H2F12O2/c7-3(8,9)1(19,4(10,11)12)2(20,5(13,14)15)6(16,17)18/h19-20H
• InChI Key: GKDCWKGUOZVDFX-UHFFFAOYSA-N
• Exact Mass: 333.9863172
• Molecular Formula: C6H2F12O2
• Molecular Weight: 334.06
• SMILES: C(C(C(F)(F)F)(C(F)(F)F)O)(C(F)(F)F)(C(F)(F)F)O
• Topological: 40.5
• Monoisotopic Mass: 333.9863172
• Synonyms: Perfluoropinacol, 918-21-8, BRN 1914834, 2,3-Bis(trifluoromethyl)-1,1,1,4,4,4-hexafluoro-2,3-butanediol, hexafluoro-2,3-dimethylbutane-2,3-diol, DTXSID60238701, 2,3-BUTANEDIOL, 2,3-BIS(TRIFLUOROMETHYL)-1,1,1,4,4,4-HEXAFLUORO-, DTXCID70161192, 624-621-7, Hexafluoro-2,3-bis(trifluoromethyl)butane-2,3-diol, Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol, 1,1,1,4,4,4-hexafluoro-2,3-bis(trifluoromethyl)butane-2,3-diol, SCHEMBL2459778, MFCD00427700, AKOS005762825, AS-81606, DB-001382, CS-0121352, H1279, D91023, A844073, T+Hexafluoro-2,3-bis(trifluoromethyl)butane-2,3-diol, Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol, 96%, 2,3-bis(trifluoromethyl)-1,1,1,4,4,4-hexafluorobutane-2,3-diol

Application

Perfluoropinacol is widely used as a building block in the synthesis of fluorinated polymers and specialty materials due to its robust stability and unique reactivity. It serves as a key intermediate in the preparation of fluorinated ligands for catalysis and as a modifier for surface properties in advanced coatings. Researchers also utilize it in the development of high-performance electrolytes and thermally resistant materials for extreme environments.

Safety and Hazards

GHS Hazard Statements

• H302 (95.1%): Harmful if swallowed [Warning Acute toxicity, oral]
• H310 (95.1%): Fatal in contact with skin [Danger Acute toxicity, dermal]
• H332 (95.1%): Harmful if inhaled [Warning Acute toxicity, inhalation]

Precautionary Statements

• P261, P262, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P316, P317, P321, P330, P361+P364, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (95.1%)
• Acute Tox. 1 (95.1%)
• Acute Tox. 4 (95.1%)

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