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1,2,4-Trimethylbenzene (Pseudocumene) 98% / 99% CAS No. 95-63-6 Industrial & Pharmaceutical Grade 1
1,2,4-Trimethylbenzene (Pseudocumene) 98% / 99% CAS No. 95-63-6 Industrial & Pharmaceutical Grade 1

1,2,4-Trimethylbenzene (Pseudocumene) 98% / 99% CAS No. 95-63-6 Industrial & Pharmaceutical Grade

1,2,4-Trimethylbenzene, available in 98% and 99% concentrations, is produced via advanced fractionation and purification technologies from petroleum refining streams or coal tar distillation. It features excellent solvency power, moderate volatility, and exceptional chemical stability as a trimethyl-substituted aromatic hydrocarbon. As an important industrial intermediate, it is widely used in the production of trimellitic anhydride, pharmaceutical synthesis, dye manufacturing, and specialty chemical production. Its high purity and consistent isomer composition 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 trimellitic anhydride (TMA) and pyromellitic dianhydride (PMDA), which are essential components in high-performance polymers, plasticizers, and epoxy resin curing agents ;

  • Serves as a key intermediate in pharmaceutical synthesis, particularly for the production of vitamin E and other therapeutic compounds ;

  • Acts as a safe solvent in the production of hydrogen peroxide (H₂O₂) ;

  • Functions as a solvent and intermediate in the manufacture of dyes, pigments, and organic colorants ;

  • Widely applied in the production of synthetic resins, including alkyd resins and polyester resins ;

  • Used in the fragrance industry for perfume manufacturing ;

  • Serves as a liquid scintillator in analytical instrumentation ;

  • Acts as a sterilizing agent for catgut and other medical materials ;

  • Functions as a laboratory solvent and reagent for organic synthesis and analytical chemistry;

  • Used in the formulation of specialty coatings and industrial cleaning agents.

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    Product Features

    1,2,4-Trimethylbenzene is manufactured using advanced fractionation and purification technologies, ensuring consistent quality and precise isomer control. The product features excellent solvency for aromatic and non-polar compounds, with a boiling point of 168-171°C providing optimal processing characteristics . Its molecular weight of 120.19 and specific gravity of 0.876-0.882 at 20°C offer predictable handling properties . The product exhibits complete miscibility with ethanol, ether, benzene, acetone, and petroleum ether, while being practically insoluble in water (0.057 g/L at 25°C) . 

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    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 UN3295 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 (Room Temperature 15-30°C recommended) ;

    Keep containers tightly sealed to prevent evaporation and contamination ;

    Avoid storage with strong oxidizing agents and nitric acid, as violent reactions may occur ;

    Product display

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    精油瓶透明液体3 (2)
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    精油瓶透明液体2

    FAQ

    1
    What are the main differences between the 98% and 99% purity grades of 1,2,4-Trimethylbenzene?
    The 98% grade is suitable for most industrial applications including solvent use, resin production, and general chemical synthesis, offering cost-effectiveness. The 99% grade provides higher purity for sensitive applications such as pharmaceutical intermediate synthesis (particularly vitamin E production), trimellitic anhydride manufacturing, and specialty chemical production where precise composition and minimal isomeric impurities are critical for consistent reaction outcomes and product quality.
    2
    What are the primary industrial applications of 1,2,4-Trimethylbenzene?
    1,2,4-Trimethylbenzene is primarily used as raw material for the production of trimellitic anhydride (TMA) and pyromellitic dianhydride (PMDA), which are essential for high-performance polymers and plasticizers . It is also widely used as a solvent in hydrogen peroxide production , in the manufacture of dyes, perfumes, and resins , and as a liquid scintillator .
    3
    What are the pharmaceutical applications of 1,2,4-Trimethylbenzene?
    In the pharmaceutical industry, 1,2,4-Trimethylbenzene is used for the production of vitamin E and other therapeutic compounds . It also serves as a key intermediate in the synthesis of various pharmaceutical agents.
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