Isobutyl Acetate (iBuAc)
CAS Number: 110-19-0
Isobutyl acetate (iBuAc, ≥99.0%) is an ester solvent with a pleasant fruity pear-like odor, used in coatings, lacquers, and printing inks where a slightly slower evaporation than n-butyl acetate is desired. Its branched structure improves flow and open time in high-solids and waterborne coating formulations.
Technical Specifications
| appearance | Colorless clear liquid |
| purity (%) | ≥99.0 |
| water content (%) | ≤0.10 |
| boiling point (°C) | 116.5 |
| density (g/mL, 20°C) | 0.869–0.873 |
Applications
- Solvent in nitrocellulose, acrylic, and alkyd lacquers
- Printing ink and flexographic ink carrier solvent
- Cosmetic nail polish and nail care formulation
- Flavoring agent (pear/raspberry aroma) in food products
- High-solids coating formulation to improve flow and leveling
Key Features
- Branched ester structure provides slower evaporation than n-BuAc for better leveling
- Pleasant pear-like fragrance improves sensory profile in consumer-facing formulations
- Excellent solvency for cellulose esters and acrylic polymers
- Reliable supply from isobutanol esterification manufacturing in China
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CAS Number
110-19-0
Category
Industrial Solvents / ChemicalsAvailability
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