Description

Heptafluorobutyroyl Fluoride (CAS 335-42-2) is a highly fluorinated organic compound with the molecular formula C₄F₈O. This colorless, volatile liquid is a reactive acyl fluoride derivative, widely used in organic synthesis and fluorochemical applications. Its IUPAC name, 2,2,3,3,4,4,4-heptafluorobutanoyl fluoride, reflects its fully substituted perfluorinated structure, which imparts exceptional chemical stability and reactivity. With a high degree of fluorine substitution, this compound is particularly valuable in the preparation of fluorinated polymers, surfactants, and pharmaceuticals. It is also employed as a key intermediate in the synthesis of perfluorinated compounds and specialty chemicals. Suitable for use in research and industrial applications, this product is handled under controlled conditions due to its reactivity with moisture and nucleophiles. Packaged in sealed, corrosion-resistant containers to ensure purity and stability.

Properties

• CAS Number: 335-42-2
• Complexity: 215
• IUPAC Name: 2,2,3,3,4,4,4-heptafluorobutanoyl fluoride
• InChI: InChI=1S/C4F8O/c5-1(13)2(6,7)3(8,9)4(10,11)12
• InChI Key: YYXWJNBPHDUWJP-UHFFFAOYSA-N
• Exact Mass: 215.98213992
• Molecular Formula: C4F8O
• Molecular Weight: 216.03
• SMILES: C(=O)(C(C(C(F)(F)F)(F)F)(F)F)F
• Topological: 17.1
• Monoisotopic Mass: 215.98213992
• Synonyms: Heptafluorobutyryl fluoride, 335-42-2, Butanoyl fluoride, heptafluoro-, Heptafluorobutanoyl fluoride, Perfluorobutyryl fluoride, 2,2,3,3,4,4,4-Heptafluorobutanoyl fluoride, Perfluorobutanoyl fluoride, heptafluorobutyroyl fluoride, 5MF7TJQ3P7, EINECS 206-390-0, Butanoyl fluoride, 2,2,3,3,4,4,4-heptafluoro-, DTXSID0041696, BUTYRYL FLUORIDE, HEPTAFLUORO-, DTXCID8021696, 206-390-0, Octafluorobutan-1-one, HEPTAFLUOROBUTYRYLFLUORIDE, UNII-5MF7TJQ3P7, n-C3F7COF, SCHEMBL426883, MFCD01631693, SBB095188, AKOS007930634, DB-187524, NS00011128, 2,2,3,3,4,4,4-Heptafluorobutanoyl fluoride #, Q27262562

Application

Heptafluorobutyroyl fluoride is primarily used as a versatile fluorinating agent and intermediate in organic synthesis. It serves as a precursor for the preparation of perfluorinated surfactants and polymers with high thermal and chemical resistance. In pharmaceutical research, it is employed to introduce fluorinated groups into drug molecules, enhancing their metabolic stability. Additionally, this compound finds applications in the production of specialty chemicals for the electronics and coatings industries. Its reactivity with nucleophiles makes it useful for derivatization in analytical chemistry.

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