Diacetone Alcohol (DAA), chemically identified as 4-hydroxy-4-methylpentan-2-one (CAS: 123-42-2), is a clear, colorless, oxygenated solvent derived from the catalytic aldol condensation of acetone. Its unique molecular architecture features dual functionality, containing both a hydroxyl (alcohol) group and a carbonyl (ketone) group. This structural synergy grants DAA exceptional solvency power across a wide spectrum of polar and non-polar substances.
DAA is characterized by its high boiling point and exceptionally slow evaporation rate, making it a “tail” solvent used to optimize drying times and surface finishes. It is fully miscible with water and most organic solvents, including Alcohol, ethers, and hydrocarbons. Historically valued for its stability and low toxicity compared to other high-boiling solvents, DAA serves not only as a high-performance solvent in coatings and inks but also as a vital chemical intermediate in the synthesis of compounds such as hexylene glycol and methyl isobutyl ketone (MIBK).
* Serves as a high purity, versatile chemical solvent for various industries.
* Offers excellent solvency for a wide range of organic compounds, resins, and oils.
* Enhances flow, leveling, and blush resistance in lacquers and coatings.
* Features a low evaporation rate, providing extended working time for formulations.
* Contributes to safer handling due to its low toxicity and high flash point.
* Miscible with both water and most organic solvents, increasing formulation flexibility.
* Ideal for diverse applications including coatings, inks, cleaning agents, and hydraulic fluids.
* Functions as a valuable intermediate for various chemical synthesis processes.
* Appearance: Clear, color-less liquid
* Assay (GC), %wt: 99.5 min
* Colour, Pt-Co (APHA): 10 max
* Specific Gravity, 20/20 °C: 0.938 – 0.941
* Moisture, %wt: 0.10 max
* Acidity (as Acetic Acid), %wt: 0.005 max
* Distillation Range (IBP): 165.0 °C min
* Distillation Range (DBP): 169.0 °C max
* Flash Point (PMCC): 55.0 °C
* **Paints, Coatings & Lacquers:** Used as a solvent for cellulose esters, paints, lacquers, varnishes, enamels, and wood preservatives, and as a coalescent in water-based coatings.
* **Cleaning & Automotive Formulations:** Acts as a key component in hydraulic brake fluids, metal cleaning compounds, and degreasers.
* **Inks, Dyes & Resins Production:** Functions as a diluent for inks and dyes, and is employed in the manufacturing process of resins, waxes, fats, and oils.
* **Cellulose-based Product Manufacturing:** Essential as a solvent in the production of artificial silk, photographic films, and other cellulose-derived products.
* **Agrochemicals & Chemical Synthesis:** Integrated into certain herbicides and pesticides, and serves as a versatile chemical intermediate for synthesizing other organic compounds.
* **Cosmetic & Personal Care Products:** Included as a solvent and humectant in formulations to dissolve ingredients and aid moisture retention.
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