CAS 27905-45-9

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Chemical Name: 1,1,1,2,2,3,3,4,4-Nonafluoro-4-iodobutane (Perfluorobutyl iodide)

CAS Number:423-39-2

Molecular Formula:C₄F₉I

Molecular Weight: 345.93 g/mol

Physical Form: Clear, colourless to pale liquid (may appear as a faint purple liquid depending on storage conditions).

Applications: Commonly used as a fluorinated building block and intermediate in the synthesis of fluorinated surfactants, specialized polymers, functional materials, and compounds used in fluorous-phase chemistry.