2-ButanolButan-2-ol, or sec-butanol, is an organic compound with formula CH3CH(OH)CH2CH3. Its structural isomers are 1-butanol, isobutanol, and tert-butanol. 2-Butanol is chiral and thus can be obtained as either of two stereoisomers designated as (R)-(−)-butan-2-ol and (S)-(+)-butan-2-ol. Read from the Chembox of the Wikipedia article 2-Butanol, revision 1380126169.

Property

Value

Formula

C4H10O, 74.12 g/mol

Melting point

-115.15 °C

Boiling point

98.85 °C

Density

0.808 g/cm³

Flash point

24.5 °C

log P, measured

0.683

pKa

17.6

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