butanol

Either of two butyl alcohols derived from butane and used as solvents and in organic synthesis.

[BUTAN(E) + -OL¹.]

Either of two aliphatic alcohols with the formula C₄H₉OH. Butan-1-ol, CH₃(CH₂)₃OH, is a primary alcohol; r.d. 0.81; m.p. –89.5°C; b.p. 117.3°C. Butan-2-ol, CH₃CH(OH)C₂H₅, is a secondary alcohol; r.d. 0.81; m.p. –114.7°C; b.p. 100°C. Both are colourless volatile liquids obtained from butane and are used as solvents.

The noun has one meaning:

Meaning #1: a flammable alcohol derived from butanes and used for solvents
  Synonym: butyl alcohol

Butanol or butyl alcohol can refer to any of the four isomeric alcohols of formula C₄H₉OH:

• n-Butanol, butan-1-ol, 1-butanol, n-butyl alcohol;
• Isobutanol, 2-methylpropan-1-ol, isobutyl alcohol;
• sec-Butanol, butan-2-ol, 2-butanol, sec-butyl alcohol;
• tert-Butanol, 2-methylpropan-2-ol, tert-butyl alcohol.

It can also refer to butanol fuel, a proposed alternative to gasoline.

n-butanol	isobutanol	sec-butanol	tert-butanol

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