The boiling point of Ethyl Acetate (CAS 141-78-6) is 77.1°C (170.8°F) at standard atmospheric pressure, giving it a faster evaporation rate than many heavy industrial solvents.
| Property | Value |
|---|---|
| Chemical Name | Ethyl Acetate |
| CAS No. | 141-78-6 |
| Boiling Point | 77.1°C (170.8°F) |
| Evaporation Character | Medium-fast |
| Application Type | Industrial solvent |
Why Does Ethyl Acetate Evaporate Faster Than Many Solvents?
Ethyl acetate has a boiling point of 77.1°C, which is much lower than butyl acetate at approximately 126°C. This lower boiling point allows coatings, inks, and adhesives to dry faster during industrial processing. Compared with ethanol at 78.4°C, ethyl acetate provides similar evaporation behavior but stronger solvency for many resin systems.
How Does Ethyl Acetate Compare With Acetone and MEK?
Ethyl acetate (EA) evaporates more steadily than acetone, which boils at only 56.1°C and can dry too quickly in some coating applications. MEK has a boiling point of around 79.6°C and offers stronger solvency, while ethyl acetate provides a better balance between drying speed and surface quality. This balanced evaporation helps reduce issues such as whitening, pinholes, and uneven film formation.
Why Is the Boiling Point Important in Coatings and Inks?
The 77.1°C boiling point allows ethyl acetate to maintain controlled drying while still supporting fast production speed. In gravure printing and industrial coating systems, solvents with overly high boiling points may slow down curing and reduce efficiency. Compared with butyl acetate, ethyl acetate improves drying speed and is commonly used in fast-drying ink and paint formulations.
What Are the Main Physical Properties of Ethyl Acetate?
Ethyl acetate has a density of approximately 0.897 g/cm³ at 20°C, making it lighter than water and suitable for liquid-liquid extraction processes. Its vapor pressure is around 73 mmHg at 20°C, which contributes to rapid evaporation in industrial applications. The solvent also has moderate polarity, allowing compatibility with many coatings, resins, adhesives, and organic compounds.
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Where Is Ethyl Acetate Commonly Used?
Ethyl acetate is widely used in coatings, adhesives, printing inks, pharmaceutical extraction, and chemical synthesis. In the printing industry, its fast evaporation improves drying efficiency and print clarity. It is also commonly used in pharmaceutical processing because it can be removed more easily than many high-boiling solvents after extraction and purification.
Why Do Industrial Buyers Choose Ethyl Acetate?
Industrial buyers choose ethyl acetate because it combines medium-fast evaporation, good solvency, and relatively low residue after drying. Compared with slower solvents, it improves production efficiency in coatings, adhesives, and packaging ink systems. Its stable industrial demand also makes it one of the most commonly traded organic solvents worldwide.
