Cumene (Isopropylbenzene) 99% / 99.5% / 99.9% CAS No. 98-82-8 Industrial & Pharmaceutical Grade

High-purity Cumene, available in 99%, 99.5%, and 99.9% concentrations, is produced via advanced catalytic alkylation technology using benzene and propylene . It features excellent solvency power, moderate volatility, and exceptional chemical stability as an aromatic hydrocarbon with an aliphatic substitution . As a fundamental petrochemical intermediate, it is primarily used in the production of phenol and acetone through the cumene hydroperoxide process, as well as in high-octane fuel additives and specialty solvent applications . Its high purity and consistent quality make it ideal for critical applications requiring precise chemical properties. Each batch is rigorously tested using GC analysis to ensure consistent quality meeting industrial and pharmaceutical standards.

Scope of Application
· Used as the primary raw material for the production of phenol and acetone through cumene hydroperoxide intermediate, which are essential chemicals for manufacturing phenolic resins, bisphenol A, and various polymers ;
· Acts as a component in high-octane aviation and automotive fuels to improve octane rating and combustion characteristics ;
· Functions as a thinner and solvent for paints, lacquers, enamels, and industrial coatings ;
· Widely applied in the production of surfactants and as an intermediate for propylene oxide synthesis ;
· Used in the manufacture of acetophenone, methylstyrene, and other organic fine chemicals ;
· Serves as a raw material for the synthesis of diisopropylbenzenes via disproportionation reactions using zeolite catalysts ;
· Acts as a laboratory reagent and analytical standard for chromatographic applications;
· Used in the production of polymerization initiators and cross-linking agents;
· Functions as a solvent in the chemical industry for various organic synthesis applications.

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Product Features

Cumene is manufactured using state-of-the-art catalytic alkylation and fractionation technologies, ensuring consistent quality and precise purity control. The product features excellent solvency for aromatic and non-polar compounds, with a boiling point of 152-154°C providing optimal processing characteristics for industrial applications . Its molecular weight of 120.19 g/mol and specific gravity of 0.864-0.868 g/mL at 20°C offer predictable handling properties . The product exhibits complete miscibility with alcohol, ether, acetone, benzene, and carbon tetrachloride, while being practically insoluble in water .

Packaging and Transportation

· Available in epoxy-lined steel drums (160kg-180kg), IBC totes, and ISO tanks;

· Classified as flammable liquid (Class 3), comply with all transportation safety regulations including UN1918 classification with Packing Group III ;

Safety and Storage

· Store in a cool, well-ventilated warehouse away from kindling, heat sources, and direct sunlight ;

· Maintain storage temperature below 30°C in a dry environment; avoid prolonged storage with exposure to air to prevent peroxide formation ;

· Keep containers tightly sealed to prevent evaporation and contamination;

· Avoid storage with strong oxidizing agents and acids, as violent reactions may occur ;

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FAQ

What are the main differences between the available purity grades of Cumene?

The 99% grade is suitable for most industrial applications including solvent use and general chemical synthesis. The 99.5% grade provides higher purity for chemical intermediate applications including phenol/acetone production. The 99.9% ultra-high purity grade is specifically engineered for sensitive applications requiring strict control over impurities including benzene (<10ppm), non-aromatics (<150ppm), and sulfur (<1ppm), ensuring optimal catalyst performance and minimal by-product formation in critical processes .

What is the primary industrial application of Cumene?

Cumene is predominantly used (over 98% of global production) as the key intermediate in the cumene hydroperoxide process for the co-production of phenol and acetone . These chemicals are essential building blocks for numerous products including phenolic resins, bisphenol A, polycarbonate plastics, epoxy resins, and various pharmaceuticals.

How does Cumene compare to other aromatic solvents like Benzene or Toluene?

Cumene offers a higher boiling point (152-154°C) compared to Benzene (80°C) and Toluene (111°C), providing slower evaporation rates and reduced volatility for applications requiring extended processing time. It has lower toxicity concerns than Benzene (classified carcinogen) while maintaining excellent solvency for aromatic compounds. Its specific gravity and vapor pressure characteristics make it particularly suitable for high-temperature industrial processes.