Pinacolone

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Pinacolone
IUPAC name 3,3-Dimethyl-2-butanone
Other names 1,1,1-Trimethylacetone; t-Butyl methyl ketone
Identifiers
CAS number [75-97-8]
Properties
Molecular formula C6H12O
Molar mass 100.16 g/mol
Appearance Colorless or light yellow oily liquid
Density 0.725 g/mL
Boiling point

103-106

Solubility in water Slight
Hazards
MSDS External MSDS
EU classification Flammable (F); Harmful (Xn)
R-phrases R11, R22
S-phrases S16, S20/21
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Pinacolone (3,3-dimethyl-2-butanone) is an important ketone in organic chemistry. It is formed by the pinacol rearrangement of pinacol. It has an odour reminiscent of peppermint and was discovered in 1866. Its primary use is in the synthesis of triazolylpinacolone in the synthesis of the fungicide triadimefon and in synthesis of the herbicide metribuzin.

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