CAS 123-42-2 Industrial Grade 99% Min Diacetone Alcohol
1. Introduction
- Appearance/Colour:Clear, colorless liquid
- Vapor Pressure:<1 mm Hg ( 20 °C)
- Melting Point:-42.8 °C
- Refractive Index:n20/D 1.423(lit.)
- Boiling Point:168.1 °C at 760 mmHg
- PKA:14.57±0.29(Predicted)
- Flash Point:61.7 °C
- PSA:37.30000
- Density:0.95 g/cm3
- LogP:0.73640
- Storage Temp.:Store below +30°C.
- Solubility.:Soluble in alcohol, ether (Weast, 1986), and many other solvents, particular ketones such as acetone and 2-butanone.
- Water Solubility.:MISCIBLE
2. Specification
| Items of Analysis |
Specification |
Results |
| Content (%) |
99.0%min |
99.3 |
| Distillation range |
(101325Pa,148.0- 170.0ºC)98ml |
Passed |
| Acidity (As acetic acid) (%) |
0.010MAX |
0.008 |
| Colority(Pt-Co) |
≤20 |
5# |
| Density 20/4 |
0.937~0.942 |
0.941 |
| Moisture(%) |
0.10MAX |
0.07 |
| Appearance |
Colorless or Yellowish Liquid |
PASS |
| Conclusion |
Passed |
3. Application
Diacetone alcohol is available in two grades: a commercial grade containing 15% acetone and an acetone-free grade. Both solvent grades of diacetone alcohol may acquire a yellow color on aging; both are good solvents for nitrocellulose, cellulose esters, and several other types of resins. The much slower evaporating diacetone alcohol is similar to acetone in its solvency. It is used in brushing-type cellulose ester lacquers to produce hard and brilliant gloss films. Diacetone alcohol is also used as lacquer thinner and in coating compositions for paper and textiles. Mesityl oxide, the unsaturated medium boiling point ketone that is prepared by the dehydration of diacetone alcohol, will darken and form a solid residue on aging.
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