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Ethyl acetate, also known as ethyl ethanoate, is a compound formed by replacing the hydroxyl group in acetic acid with an ethoxy group. mf:C₄H₈O₂, mw:88.11. At room temperature, it exists as a colorless, transparent liquid with a strong fruity aroma (resembling the scent of pears or bananas), serving as a key component in many natural fruit fragrances. It exhibits excellent solubility and fast drying properties, making it a versatile and critically important organic chemical feedstock and superior industrial solvent.
| Item | Specification |
| Melting point | −84°C (lit.) |
| Boiling point | 76.5–77.5°C (lit.) |
| Density | 0.902 g/mL at 25°C (lit. |
| Vapor Density | 3 (20°C, vs air) |
| Vapor Pressure | 73 mmHg (20°C) |
| Refractive Index | n20/D 1.3720 (lit.) |
| Flash Point | -3.3 ± 0.0 °C |
| Acid dissociation constant (pKa) | 16–18 (at 25°C) |
| Viscosity | 0.45 mPa·s (at 20°C) |
| APHA | ≤10 |
| Specific Gravity | 0.902 (20/20°C) |
| Relative Polarity | 0.228 |
| Odor | Sweet, fruity aroma |
| Solubility | Infinitely miscible with most organic solvents (e.g., ethanol, diethyl ether); slightly soluble in water. |
Ethyl acetate as an organic solvent:
– Ethyl ethanoate serves as a core solvent in solvent-based coatings, wood finishes, automotive paints, and printing inks; also functions as a film-forming aid in water-based coatings.
– Used in preparing solvent-based adhesives, particularly suitable for bonding plastics (PVC, ABS), rubber, leather, and similar materials.
– Ethyl ethanoate serves as an extraction agent and recrystallization solvent in pharmaceuticals, used to extract active ingredients from natural medicines, purify synthetic drugs, and as a solvent in drug formulations.
– Cleans oil and residual impurities from electronic component surfaces, leaving no residue upon evaporation; also used as a solvent for photoresists and electronic pastes.
Ethyl acetate serves as a chemical feedstock for synthesizing higher esters and ethyl acetoacetate.
Ethyl acetate in the food and flavor industry:
– Functions as a solvent and carrier for food flavorings, used in formulating fruit-based flavor profiles to enhance taste.
– Employed to extract essential oils from plants for use in perfumes, cosmetics, and food flavorings.
Other Special Applications:
– As a reaction solvent in organic synthesis, a developing agent for thin-layer chromatography (TLC), and an extraction agent.
– For cleaning oil stains and paint residues, or as a component in paint strippers for removing paint from metal and plastic surfaces.
– Used in small quantities in cigarette filters to improve the taste and aroma of smoke.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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