Comparison of Properties
|
Property |
Methyl Ethyl Ketone (MEK) |
Acetone |
|---|---|---|
|
Chemical Formula |
C₄H₈O |
C₃H₆O |
|
Molecular Weight |
72.11 |
58.08 |
|
Boiling Point |
79.6 °C |
56.5 °C |
|
Flash Point |
−9 °C |
−20 °C |
|
Volatility |
Slower evaporation |
Faster evaporation |
|
Solubility |
Soluble in water; miscible with most organic solvents |
Completely miscible with water, ethanol, and ether |
|
Toxicity |
Low toxicity, but high concentrations may cause narcotic effects |
Low toxicity, but irritating to eyes and respiratory tract |
Application Differences
MEK (Methyl Ethyl Ketone):
- Industrial Solvent: Widely used in coatings, inks, adhesives, lubricant dewaxing, and photolithography developers in the electronics industry due to its strong solvency and moderate evaporation rate.
- Chemical Intermediate: Methyl ethyl ketone solvent is used in the synthesis of fine chemicals such as pharmaceuticals and fragrances.
ACE (Acetone):
- General-purpose solvent: One of the most commonly used solvents for cleaning, degreasing, paint thinning, nail polish removal, etc.
- Laboratory: ACE (Acetone) is frequently used for cleaning glassware and sample preparation.
- Industrial raw material: ACE is used in the production of methyl methacrylate (acrylic glass), bisphenol A, and other compounds.
conclusion
MEK offers strong solvency with fast evaporation properties. Applications include – acrylic coating solvents, cleaning fluids, ink & paint solvent, and vinyl lacquers. MEK is a stronger cleaning agent than Acetone because it has a slower evaporation rate and boils at a higher temperature.
