Chemical

Products

Di Acetone Alcohol

Cas Number

123-42-2

Other Names

2-Pentanone

4-hydroxy-4-methyl

4-Hydroxy-2-keto-4-methylpentane

Diacetone alcohol

The formula

CH3C(O)CH2C(OH)(CH3)2

Introduction

Diacetone alcohol is a chemical compound with the formula CH3C(O)CH2C(OH)(CH3)2, sometimes called DAA. This liquid is a common synthetic intermediate used for the preparation of other compounds, and is also used as a solvent.

Physical and Chemical Properties
Physical state and appearance Colorless Liquid.
Boiling Point 167.9°C (334.2°F)
Flash point 59°C
Melting Point -44°C (-47.2°F)
Specific Gravity 0.9387 (Water = 1)
Vapor Pressure: 0.97 mm of Hg (@ 20°C)
Vapor Density 4.01 (Air = 1)
Volatility Not available.
Odor Threshold 0.27 ppm
Dispersion Properties See solubility in water.
Solubility Easily soluble in cold water.
Purity (wt%) 99.0 min.
Moisture (ppm) 2000 max
Acidity (ppm wt, as acetic acid) 200 max
Applications

1. It is used in lacquer thinners, dopes, wood stains, wood preservatives and printing pastes

2. In coating compositions for paper and textiles

3. Making artificial silk and leather; in imitation gold leaf

4. In celluloid cements; as a preservative for animal tissue

5. In metal cleaning compounds; in the manufacture of photographic film

6. In hydraulic brake fluids, where it is usually mixed with an equal volume of castor oil