n-Dodecane 98% / 99% CAS No. 112-40-3 Industrial & Laboratory Grade

n-Dodecane, available in 98% and 99% concentrations, is produced via advanced fractionation and hydrotreating technologies from petroleum refining streams. It features excellent solvency power, extremely low volatility, and exceptional chemical stability. As a higher molecular weight aliphatic hydrocarbon solvent, it is widely used in specialty chemical synthesis, industrial formulations, and research applications requiring a non-polar medium with minimal evaporation loss at elevated temperatures. Its high purity and consistent performance make it ideal for critical applications requiring precise solvent properties. Each batch is rigorously tested using GC analysis to ensure consistent quality meeting industrial and laboratory standards.

Scope of Application

Used as a laboratory solvent for high-temperature synthesis, recrystallization, and extraction processes requiring boiling points above 215°C;
Acts as a reaction medium in organic synthesis requiring reflux conditions exceeding 215°C;
Functions as a solvent in specialty coatings, inks, and adhesive formulations requiring extremely slow evaporation;
Widely applied in the pharmaceutical industry for high-temperature reactions and as a crystallization solvent;
Serves as a reference standard and calibration material in analytical chemistry for hydrocarbon analysis;
Used in polymer synthesis as a reaction diluent and processing aid for high-temperature applications;
Acts as a component in specialty cleaning formulations for precision components requiring non-aqueous rinsing;

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Product Features

n-Dodecane is manufactured using advanced fractionation and purification technologies, ensuring consistent quality and precise boiling characteristics. The product features excellent solvency for non-polar compounds with a boiling point of 215-217°C, providing exceptional stability during high-temperature processing with virtually no evaporative loss below 180°C. Its molecular weight of 170.33 g/mol offers enhanced solvency for high molecular weight polymers, waxes, and specialty chemicals. The extremely low vapor pressure (0.1 mmHg at 25°C) dramatically reduces worker exposure risk and evaporative emissions compared to lighter hydrocarbons.

Packaging and Transportation

Available in epoxy-lined steel drums (150kg), IBC totes, and ISO tanks;

Customized packaging options available upon request to meet specific customer requirements;

Safety and Storage

Store in a cool, well-ventilated area away from ignition sources and direct sunlight;

Maintain storage temperature below 35°C in a dry environment;

Keep containers tightly sealed to prevent contamination and minimize evaporation;

Avoid storage with strong oxidizing agents, peroxides, or halogenated compounds;

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FAQ

What are the main advantages of n-Dodecane compared to shorter-chain alkanes like n-Decane or n-Undecane?

n-Dodecane offers the highest boiling point (216°C) among commonly used liquid alkanes and exceptionally low vapor pressure (0.1 mmHg at 25°C), providing unparalleled stability during high-temperature processing with virtually no evaporative loss during extended reactions. Its higher molecular weight offers enhanced solvency for very high molecular weight compounds, making it ideal for dissolving polymers, waxes, and sophisticated organic molecules. The extremely low volatility essentially eliminates worker exposure concerns and solvent losses during prolonged high-temperature processing, while the higher flash point (71°C) significantly reduces fire risk classification.

What purity grades are available for n-Dodecane and their typical applications?

The 98% grade is suitable for most industrial applications including high-temperature solvent formulations, heat transfer fluids, and general synthesis. The 99% grade provides higher purity for sensitive applications such as pharmaceutical intermediate synthesis, analytical reference standards, and specialty chemical production where precise composition and minimal impurities are critical. Research-grade material (99.5%+) is available for advanced applications requiring exceptional purity, including physical property standards, spectroscopic studies, certified reference materials, and phase change material applications.

What are the environmental and safety advantages of using n-Dodecane versus traditional solvents?

n-Dodecane's extremely low vapor pressure (0.1 mmHg at 25°C) reduces volatile organic compound (VOC) emissions to negligible levels compared to conventional solvents like toluene, xylene, or even n-Decane. This translates to minimal environmental impact, virtually no worker exposure risk under normal handling conditions, and negligible solvent loss during processing. Its high flash point (71°C) removes it from flammable liquid classification in many regulatory frameworks, allowing safer handling in industrial environments with significantly reduced requirements for explosion-proof equipment. These properties make n-Dodecane an excellent choice for sustainable manufacturing processes, green chemistry initiatives, and regulatory-compliant operations.