2-Ethylhexyl Acetate (CAS: 103-09-3), also known as octyl acetate, is a high-boiling, slow-evaporating ester produced through the esterification of 2-ethylhexanol with acetic acid. This clear, colorless liquid is distinguished by its mild, fruity odor and serves as a vital specialty solvent in the chemical industry. Unlike lower-molecular-weight acetates, 2-ethylhexyl acetate possesses a high hydrophobic character and a very low evaporation rate, making it an ideal “tail solvent” for coating formulations. It excels in regulating the drying process, ensuring that the film remains open long enough for air bubbles to escape and for the surface to level properly. Its excellent solvency for a broad spectrum of resins—including nitrocellulose, acrylics, and epoxies—combined with its relatively high flash point, makes it a preferred choice for high-performance industrial applications where safety and finish quality are paramount. Furthermore, its low toxicity and favorable environmental profile support its use in modern, compliant chemical formulations.
* Possesses a mild, agreeable fruity odor.
* Offers excellent solvency across various applications.
* Features a slow evaporation rate, ideal for extended work times.
* Supports the formulation of high-solids and low-VOC products.
* Functions as an effective coalescing agent in latex paints.
* Serves as a versatile solvent for coatings, inks, and adhesives.
* Can be utilized as a valuable intermediate in chemical synthesis.
* Considered an environmentally friendly option due to low toxicity and biodegradability.
* Purity (wt%): min. 99.0
* Color (APHA): max. 10
* Acidity (as Acetic Acid wt%): max. 0.05
* Water (wt%): max. 0.05
* Specific Gravity @ 20°C: 0.865 – 0.875
* Refractive Index @ 20°C: 1.410 – 1.415
* Molecular Weight: 172.26 g/mol
* Boiling Point: 184 °C
* Flash Point (Open Cup): 70 °C
* Viscosity @ 20°C: 1.05 mPa.s
* **Paints, Coatings, and Inks:** Used as a high-performance solvent to effectively disperse pigments and resins, contributing to smooth application and enhanced film formation.
* **Adhesives:** Functions as a coalescing agent, improving the film formation and adhesion strength of various adhesive formulations.
* **Fragrances and Flavors:** Utilized for its pleasant fruity scent as a masking agent, diluent, or enhancer, imparting desirable aromas to products.
* **Cosmetics and Personal Care:** Acts as an emollient and solvent, providing a smooth feel and aiding in the uniform distribution of active ingredients.
* **Cleaning Products:** Employed in household and industrial cleaning solutions as a solvent and degreasing agent to effectively dissolve grease and grime.
* **Chemical Intermediates:** Serves as a versatile building block in the synthesis of other compounds within the chemical industry.
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