Dimethyl Terephthalate Production Methods for Specialty Polyester Applications is recognized across the specialty polymer industry as a critical intermediate in the synthesis of high-performance polyesters. With the assigned CAS number, its precise molecular structure is characterized by a defined molecular formula and molecular weight, allowing for strict batch-to-batch consistency. Detailed identification is further supported through the IUPAC nomenclature and unique InChIKey, ensuring unambiguous reference in research, production, and regulatory documentation. Within chemical classification, this compound serves as an essential intermediate rather than a direct pharmaceutical agent or excipient, making it indispensable in advanced synthetic pathways for specialty polyester manufacturing.
The physical and chemical properties of this compound meet the technical specifications required by processors and formulators. Known figures for melting, boiling, flash points, density, and vapor pressure are used by engineers and quality control professionals to manage safe handling, optimize reaction conditions, and ensure uniform behavior in downstream applications. These properties underpin not only process safety but also product performance in demanding end-uses within specialty polyester markets.
Compliance with international and national regulatory frameworks is essential to the reliable global supply of Dimethyl Terephthalate. The substance maintains REACH registration with the relevant article number and documented tonnage band, reflecting full transparency and supply chain stewardship within Europe. U.S. regulatory acceptance is assured by its listing under the applicable section of the TSCA inventory, providing reassurance to customers regarding legal import and use. Relevant ICH guidelines, complete with their full code designations and revision numbers, are observed where applicable, especially in the context of surface contact or indirect pharmaceutical manufacturing. Comprehensive GHS hazard classification, including all assigned H-phrases and appropriate signal word, informs customers about intrinsic hazards and recommended precautions. Cross-references to official pharmacopeia chapters further support the material's standing within regulated environments, while OSHA PEL and NIOSH REL values define occupational exposure limits for workplace safety.
In terms of application scope, Dimethyl Terephthalate functions mainly as an intermediate dedicated to the production of specialty polyesters. Its role is particularly prominent in processes such as the transesterification and polycondensation routes that produce high-molecular-weight polyethylene terephthalate (PET) and related copolyesters. While it does not appear directly in active pharmaceutical ingredients, it is a critical chemical in the development of advanced polymer matrices supporting drug delivery platforms, diagnostic packaging, and medical device substrates.
Packaging formats for Dimethyl Terephthalate are designed to align with global logistics and safety standards. The compound is routinely dispatched in industry-standard 25-kilogram drums, 200-kilogram drums for bulk operations, and intermediate bulk containers (IBCs) for large-scale projects. Storage should be managed in cool, dry, and well-ventilated environments, reflecting stability patterns established in accordance with GHS safety data. Industry practices normally recommend a shelf life consistent with best-in-class storage for material of this chemical class, thus supporting reliable long-term supply for manufacturing schedules.
Sources for this information include PubChem at https://pubchem.ncbi.nlm.nih.gov/compound/, the NIST Chemistry WebBook at https://webbook.nist.gov/cgi/cbook.cgi?Name=, ECHA regulatory data accessible through the European Chemicals Agency, and the EPA TSCA Inventory at https://www.epa.gov/tsca-inventory.
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