- Tianqiao District, Jinan City, Shandong Province, China
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Cas 29736-75-2 /Ethylene glycol antimony, with the molecular formula Sb₂(OCH₂CH₂O)₃ and a molecular weight of 423.72, is a highly efficient antimony-based catalyst specifically designed for polyester synthesis. It features a stable molecular structure, is highly soluble in ethylene glycol, slightly soluble in water, and exhibits good thermal stability and high catalytic activity. With no significant toxic residues, it is widely used in the polymerization production of PET polyester, polyester fibers, food packaging resins, and other applications.
| Item | Specification |
| Melting Point | 140–142°C |
| Boiling Point | N/A |
| Density | 2.10 |
| Flash point | N/A |
| Vapor pressure | Extremely low; negligible at room temperature |
| Refractive index | N/A |
| Acidity coefficient | Nearly neutral; no obvious acidity or basicity; pKa not applicable |
| Solubility | Soluble in ethylene glycol; slightly soluble in water; insoluble in most organic solvents |
Polyester resin synthesis: Serves as a highly efficient catalyst for the polycondensation reaction of polyethylene terephthalate (PET), used in the production of polyester chips and polyester matrix resins
Synthetic Fiber and Textile Industry: Used in the polymerization of synthetic fibers such as polyester fibers and polyester filaments to ensure fiber formation and performance.
Food Packaging Materials: Used in the production of raw materials for beverage bottles, food-grade polyester films, and polyester packaging containers.
Industrial Polyester Products: Used as a synthesis catalyst for products such as polyester engineering plastics and industrial polyester sheets.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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