In the realm of chemical manufacturing, the efficiency and innovation of producing end products are often deeply tied to the availability and quality of foundational intermediates. 1,2,3,4-Tetramethylbenzene, widely recognized as Prehnitene and cataloged under CAS number 488-23-3, is a prime example of such a crucial chemical. This aromatic hydrocarbon is instrumental in several key industrial applications, particularly in the creation of high-performance materials. As a dedicated chemical supplier, we emphasize the importance of understanding this compound for procurement managers and R&D scientists.

Chemical Profile of 1,2,3,4-Tetramethylbenzene

1,2,3,4-Tetramethylbenzene is characterized by its benzene ring with four methyl groups positioned at adjacent carbon atoms. Its physical state at room temperature is typically a colorless liquid, with a boiling point of approximately 203°C. The purity of this compound is a critical factor for its downstream applications, especially in the synthesis of specialized polymers where trace impurities can significantly impact final product performance. Manufacturers often focus on achieving high purity levels, typically 97% or above, through meticulous synthesis and purification processes.

Synthesis and Procurement Considerations

The production of 1,2,3,4-Tetramethylbenzene commonly involves alkylation reactions of less substituted aromatics. For instance, the Friedel-Crafts alkylation of xylene or trimethylbenzenes using methyl chloride in the presence of a catalyst like aluminum chloride is a well-established method. This process requires careful control to manage isomer distribution and byproduct formation, ensuring the isolation of the desired 1,2,3,4-isomer. When seeking to buy 1,2,3,4-tetramethylbenzene, it is advisable to consult with manufacturers regarding their synthesis methodologies and quality assurance protocols.

The compound's primary industrial value stems from its role as a precursor to pyromellitic dianhydride (PMDA). PMDA is a key monomer in the production of polyimides, known for their exceptional thermal, mechanical, and electrical properties. These polyimides are indispensable in demanding sectors such as electronics (e.g., flexible circuit boards, insulation), aerospace, and automotive components, where extreme conditions necessitate robust materials. The ability to reliably purchase 1,2,3,4-tetramethylbenzene is therefore critical for these high-tech industries.

Furthermore, Prehnitene serves as a versatile intermediate in organic synthesis for creating a range of fine chemicals, including intermediates for pharmaceuticals and specialty chemicals for various industries. Its specific structural features lend themselves to complex molecular construction.

NINGBO INNO PHARMCHEM CO.,LTD. is committed to being a premier chemical supplier of high-purity 1,2,3,4-Tetramethylbenzene. We ensure stringent quality control and offer reliable supply chains to support your production and research needs. Reach out to us for competitive pricing and to discuss how we can best meet your requirements for this essential chemical intermediate.