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Benzyl alcohol and meta-cresol boiling point's are not so different, the fractional distillation will be very difficult, what can i do for separate this two composites ?

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    $\begingroup$ I guess extraction with NaOH in water would be OK $\endgroup$ – Mithoron May 15 '16 at 20:26
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Your observation on the boiling points is correct.

Take a look at the melting points instead: the m.p. of benzyl alcohol is -15 °C, while the m.p. of m-cresol is 11 °C. You might want to cool down the mixture and see whether you can see some enrichment.

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