Description

Perfluoro-3,5-dioxahexanoic acid (CAS No. 39492-88-1) is a highly fluorinated carboxylic acid with the molecular formula C₄HF₇O₄. Its IUPAC name, 2-[difluoro(trifluoromethoxy)methoxy]-2,2-difluoroacetic acid, reflects its unique polyfluorinated ether-acid structure. This specialty chemical is characterized by its strong acidity, thermal stability, and resistance to degradation, making it valuable for advanced research and industrial applications. The compound is supplied as a high-purity liquid or solid, with rigorous quality control to ensure consistency for sensitive applications. Its perfluorinated backbone and reactive carboxyl group enable its use as a building block for fluorinated materials, surfactants, and specialty polymers. Researchers will appreciate the compound’s well-defined structure and compatibility with organofluorine chemistry techniques.

Properties

• CAS Number: 39492-88-1
• Complexity: 246
• IUPAC Name: 2-[difluoro(trifluoromethoxy)methoxy]-2,2-difluoro-acetic acid
• InChI: InChI=1S/C4HF7O4/c5-2(6,1(12)13)14-4(10,11)15-3(7,8)9/h(H,12,13)
• InChI Key: GCSHTDCBGCURHU-UHFFFAOYSA-N
• Exact Mass: 245.97630564
• Molecular Formula: C4HF7O4
• Molecular Weight: 246.04
• SMILES: C(=O)(C(OC(OC(F)(F)F)(F)F)(F)F)O
• Topological: 55.8
• Monoisotopic Mass: 245.97630564
• Synonyms: 39492-88-1, Perfluoro-3,5-dioxahexanoic acid, DTXSID50892351, DTXCID901079508, PFO2HxA, mOPFLCA n=2, PEFC(n2), SCHEMBL22686722, Perfluoro diEther hexananoic acid, NS00074621, Perfluoro(3,5-dioxahexanoic) acid (PFO2HxA), Q66914282, 2-(Difluoro(trifluoromethoxy)methoxy)-2,2-difluoroacetic acid

Application

Perfluoro-3,5-dioxahexanoic acid serves as a key intermediate in the synthesis of fluorinated surfactants and surface modifiers. Its unique structure makes it valuable for creating water- and oil-repellent coatings in materials science applications. Researchers utilize this compound to develop novel electrolytes for specialty battery systems requiring extreme chemical stability. The acid functionality allows for further derivatization in pharmaceutical and agrochemical research targeting fluorinated active ingredients.

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