Methyl Ethyl Ketone (MEK)
CAS Number: 78-93-3
Methyl ethyl ketone (MEK, ≥99.5%) is a fast-evaporating ketone solvent that delivers excellent solvency for nitrocellulose, vinyl, acrylic, and polyurethane coatings. Its balance of evaporation rate, solvency, and cost makes it the preferred choice in industrial coatings, adhesives, magnetic tape, and surface cleaning applications.
Technical Specifications
| appearance | Colorless clear liquid |
| purity (%) | ≥99.5 |
| water content (%) | ≤0.10 |
| boiling point (°C) | 79.6 |
| density (g/mL, 20°C) | 0.804–0.806 |
Applications
- Solvent in nitrocellulose, acrylic, and polyurethane coatings
- Adhesive and contact cement formulation
- Magnetic tape and film coating solvent
- Dewaxing agent for lubricant oils
- Surface cleaning and degreasing in metal fabrication
Key Features
- High purity ≥99.5% with low water content for consistent coating performance
- Faster evaporation than MIBK enabling high-throughput coating operations
- Excellent solvency for nitrocellulose and most thermoplastic resins
- Wide availability and competitive pricing from sec-butanol dehydrogenation supply chain
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CAS Number
78-93-3
Category
Industrial Solvents / ChemicalsAvailability
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