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General
- Diacetone alcohol is a
chemical compound with the formula CH3C(O)CH2C(OH)(CH3)2.
- This liquid is common
synthetic intermediate used for the preparation of other compounds.
- Diacetone alcohol has
slow evaporation rates. It is used as a solvent for both hydrogen bonding
and polar substances.
- It is miscible in water
and used as a solvent for water-based coatings.
Process
- Diacetone alcohol can
be prepared from acetone by the action of alkali metal hydroxides,
calcium hydroxide, and barium hydroxide.
- Methyl isobutyl
ketone (MIBK) is a valuable industrial solvent produced commercially in
a three-stage process from an acetone feedstock. First, acetone is
dimerized to produce diacetone alcohol (DAA). Second, DAA undergoes a
condensation reaction to produce mesityl oxide (MO) and water. Third,
the carbon-carbon double bond of MO is selectively hydrogenated to
produce MIBK.
Uses
- It is used as a
solvent extractant in purification processes for resins and waxes.
- Diacetone alcohol
is more suitable for use in applications as a component of gravure
printing inks, with proving favorable flow and leveling
characteristics.
- Diacetone alcohol,
having hydroxyl and carbonyl group in the same molecule is used as a
chemical intermediate.
Report
- The production
volume of diacetone alcohol in Japan is 3,236 tonnes/year in past
years.
- A report from a
Japanese manufacturer, 147 kg/year measured of diacetone alcohol are
treated in its own wastewater treatment plant with 85% of removal
rate and are released with 3.6 x 1010 L/year of effluent into river.
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