Butyl acetate (chemical formula: C₄H₈O₂) is an organic compound that belongs to the ester family, formed by the reaction of butanol (a type of alcohol) with acetic acid. It is a colorless liquid with a pleasant fruity or banana-like odor and is widely used as a solvent in various industrial and consumer applications.
Properties:
- Molecular Formula: C₄H₈O₂
- IUPAC Name: Butyl ethanoate
- Molar Mass: 116.16 g/mol
- Boiling Point: 126°C (258.8°F)
- Melting Point: -78°C (-108.4°F)
- Density: 0.882 g/cm³ at 20°C
- Solubility: Slightly soluble in water but highly soluble in most organic solvents like alcohol, acetone, and ether.
Key Uses of Butyl Acetate:
Solvent in Paints and Coatings:
Butyl acetate is widely used in lacquers, varnishes, paints, and coatings due to its ability to dissolve a variety of resins and its fast evaporation rate. It enhances the flow and finish of the coatings and provides a smooth finish.
In Industrial Cleaning Products:
Butyl acetate is used in cleaning products, such as degreasers and industrial cleaners, because it effectively dissolves oils, greases, and resins.
In Printing Inks:
Used in the formulation of printing inks, especially for flexographic and gravure printing. It helps dissolve pigments and resins, ensuring smooth application on various surfaces like paper and plastic.
Solvent in Adhesives:
Butyl acetate is used as a solvent in the formulation of adhesives for the automotive, construction, and packaging industries. It enhances the bonding strength and dries quickly, reducing waiting times.
Cosmetics and Personal Care:
It is sometimes included in nail polish removers and other cosmetic formulations due to its ability to dissolve other substances and evaporate quickly.
In Fragrance Production:
The pleasant fruity odor of butyl acetate makes it useful in creating perfumes and fragrances, giving them a sweet, fruity note.
Solvent in Chemical Synthesis:
Butyl acetate is used as a solvent in the synthesis of organic chemicals like esters, resins, and pharmaceuticals.