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China is the dominant exporter of Ethane-1,2-diol;terephthalic acid (CAS 25038-59-9), followed by South Korea and the United States, while major importers include Vietnam, India, and Mexico—reflecting strong demand from Asia-Pacific polyester fiber and packaging producers. Trade volumes have remained relatively stable since 2022, with modest growth in Southeast Asian imports coinciding with regional petrochemical capacity expansions and fluctuations in Ethane-1,2-diol;terephthalic acid prices.
Ethane-1,2-diol;terephthalic acid (CAS 25038-59-9) is a stoichiometric 2:1 co-crystal or salt-like adduct of ethylene glycol and terephthalic acid, typically appearing as a white to off-white crystalline solid at room temperature. It is non-volatile, odorless, and exhibits limited solubility in water and common organic solvents. Chemically, it is classified as an aromatic carboxylic acid–diol complex and serves primarily as a pre-reacted intermediate in polyester synthesis. Its principal industrial use is in the production of poly(ethylene terephthalate) (PET), particularly in melt-phase polymerization processes where it offers handling and reactivity advantages over physical mixtures of the individual components. It is employed exclusively in polymer manufacturing—specifically for fibers, packaging resins, and engineering thermoplastics—and is not used in agrochemicals, pharmaceuticals, or coatings.
This chemical is included in Plastics. See more about what is Poly(ethylene terephthalate) and Poly(ethylene terephthalate) SDS information.
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