Thiol
Acidity

Thiols are easily deprotonated. Relative to the alcohols, thiols are more acidic. The conjugate base of a thiol is called a thiolate. Butanethiol has a p K of 10.5 vs 15 for butanol. Thiophenol has a p K of 6, versus 10 for phenol. A highly acidic thiol is pentafluorothiophenol (C F SH) with a p K of 2.68. Thus, thiolates can be obtained from thiols by treatment with alkali metal hydroxides.
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