2-Butanol
Encyclopedia : 2 : 2B : 2BU : 2-Butanol
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| Chemical name | |
| Other names | sec-Butanol sec-Butyl alcohol |
| Chemical formula | |
| Molecular mass | |
| CAS number | [78-92-2] (+): [4221-99-2] (-): [14898-79-4] |
| Density | 3 at 20 °C |
| Melting point | °C> |
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| [Chemical infoboxDisclaimer and references] | |
2-Butanol, or sec-butanol, is a secondary alcohol. It is one of the four isomers of butanol. It is a highly flammable colorless liquid that is soluble in 12 parts water, and miscible with ethanol and diethyl ether. 2-Butanol is chiral and can exist as either of two stereoisomers designated as (R)-(-)-2-butanol and (S)-(+)-2-butanol. It is normally found as an equal mixture of the two stereoisomers, known as a racemate.
2-Butanol is used as a solvent, as an intermediate in the manufacture of other chemicals (such as butanone), in industrial cleaners, and in paint removers. Many of the volatile esters of 2-butanol have pleasant aromas and are used as perfumes or in artificial flavors.
2-Butanol is manufactured industrially by the hydration of 2-butene:
- C4H8 + H2O → C4H10O
Reference
- Merck Index, 11th Edition, 1541
External links
- For a full list of external links to MSDSs, spectroscopic data, commercial chemicals suppliers etc. for this compound, see [Chemical sources].
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