Video encyclopedia



The beauty of butanol


Butanol Testing the Cobalt


Chemical properties of n butanol


Boiling t-Butanol


Freezing t-Butanol

Butanol (also called butyl alcohol (or βουτανόλη in Greek)) is a four-carbon alcohol with a formula of C4H9OH, which occurs in five isomeric structures (four structural isomers), from a straight-chain primary alcohol to a branched-chain tertiary alcohol; all are a butyl or isobutyl group linked to a hydroxyl group (sometimes represented as BuOH, n-BuOH, and i-BuOH). These are n-butanol, 2 stereoisomers of sec-butanol, isobutanol and tert-butanol. Butanol is primarily used as a solvent, as an intermediate in chemical synthesis, and as a fuel. It is sometimes also called biobutanol when produced biologically and petrobutanol when produced from petroleum, those two names refer to very same substance, but highlight the different origin.
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