Chemical Name: Methylcyclohexane
CAS Number: 108-87-2
Molecular Formula: C₇H₁₄
Molecular Weight: 98.19 g/mol
Appearance: Colorless to almost colorless clear liquid
Solubility: Insoluble in water; fully miscible with alcohols, ethers, hydrocarbons, and most organic solvents
Methylcyclohexane is a saturated, non-polar hydrocarbon valued for its medium volatility, strong dissolving power for resins and greases, and favorable environmental and safety characteristics as a lower-aromatic solvent substitute.
Methyl Cyclohexane Key Applications
Methylcyclohexane is a multi-purpose industrial solvent and intermediate used across diverse sectors:
- Paints, Coatings & Inks — Highly effective solvent for resins, varnishes, lacquers, paints, and printing inks; dissolves cellulose esters, rosin, chlorinated rubber, and synthetic polymers while providing good flow and evaporation properties.
- Adhesives & Rubber Processing — Used in rubber cements, adhesives, synthetic rubber formulations, and processing to dissolve elastomers, improve workability, and aid in compounding tires, belts, and industrial goods.
- Extraction & Cleaning — Serves as an extraction solvent for oils, fats, greases, and essential oils; widely applied in metal degreasing, precision cleaning in electronics, and as a cleaning agent in industrial maintenance.
- Chemical Synthesis & Intermediates — Acts as a feedstock or solvent in organic synthesis, including production of toluene via reforming, cyclohexanol/cyclohexanone derivatives, and various fine chemicals.
- Specialty Uses — Employed in correction fluids (e.g., as a solvent base), fuel additives to enhance octane, specialty lubricants, greases, and niche applications like priming fluids in certain aerospace systems.
Its low aromatic content makes it a preferred eco-friendlier option over toluene or benzene in many solvent-demanding processes.
Methyl Cyclohexane Technical Advantages
- Superior solvency for non-polar and moderately polar substances with reduced health risks
- Medium volatility for controlled drying times in coatings and adhesives
- Excellent compatibility in organic systems and low water affinity
- Cleaner profile with lower emissions and better regulatory acceptance
- High purity grades ensure consistent performance in sensitive applications
Safety & Handling Information
Methylcyclohexane is classified as a highly flammable liquid (Category 2) and may cause drowsiness, dizziness, or respiratory irritation. It is harmful if inhaled or swallowed and can be aspirated into lungs causing chemical pneumonitis. Vapors are heavier than air and can form explosive mixtures. Handle with explosion-proof equipment, grounding to prevent static, and good ventilation. Use appropriate PPE including chemical-resistant gloves, eye protection, and respiratory protection in confined spaces. Store in cool, well-ventilated areas away from ignition sources, strong oxidizers, and acids. Prevent environmental release. Always refer to the current Safety Data Sheet (SDS) for full hazard details, first-aid, firefighting, and disposal instructions.
Frequently Asked Questions (FAQs)
What is the primary use of Methylcyclohexane CAS 108-87-2? It is predominantly used as a versatile industrial solvent in paints, coatings, inks, adhesives, rubber processing, and metal/electronics cleaning.
Is Methylcyclohexane soluble in water? No, it is insoluble in water but highly miscible with most organic solvents, making it ideal for non-aqueous systems.
Why choose Methylcyclohexane over toluene or benzene? It provides similar solvency with lower toxicity, reduced aromatic content, fewer hazardous emissions, and better compliance with modern environmental and health regulations.
What industries commonly use Methylcyclohexane? Key sectors include paints and coatings, printing inks, adhesives, rubber manufacturing, electronics cleaning, petrochemical synthesis, and specialty chemicals.
Is Methylcyclohexane flammable? Yes, it is highly flammable with a low flash point (around -4 °C to -3 °C) and requires strict precautions against ignition sources and static electricity.
Can Methylcyclohexane be used in food-grade or pharmaceutical applications? No, it is an industrial-grade solvent and not approved for direct food contact, pharmaceutical formulations, or consumer products.
What packaging is available for Methylcyclohexane? Standard options include drums, IBC totes, iso-tanks, and bulk shipments — contact us for specific grades, purity levels, and volume requirements.
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