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Purification of Laboratory Chemicals, 8th Edition by W.L.F. Armarego

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Perfluoro- n -hexane (tetradecafluorohexane) [355-42-0] C6F14, M 338.1, m -4°, b 58-60°/atm, d420 1.684. Purify the fluorohexane by fractional freezing. The methods described for perfluoroheptane should be applicable here. [Beilstein 1 IV 348.]

Perfluorononane (eicosafluorononane) [375-96-2] C9F20, M 488.1, b 126-127°/atm, d420 1.80, nD20 1.275. Purify as for perfluorodimethylcyclohexane. [Beilstein 1 III 505.]

Perfluoropropyl iodide (heptafluoro-1-iodopropane) [754-34-7] C3F7I, M 295.9, b 41°/atm, d420 2.13, nD20 1.339. Purify the fluoro-iodide by fractional distillation. Store it over Cu as stabiliser. [Beilstein 1 IV 225.]

Perfluorotributylamine (heptacosafluorotributylamine, PFTBA) [311-89-7] C12F27N, M 671.1, b 177.6°/760mm, 178°/760mm, ...

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