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| Compound | terephthalic acid | ||||
|---|---|---|---|---|---|
| CAS No. | 100-21-0 | Catalog No. | XMZX-W547 | Brand | |
| Purity | 99% | Packing | 25kg/DRUMS | Grade | |
| Lead Time | 3Day (s) | Origin | Loading Port | China,Xiamen,Siming District | |
| Boiling Point | 392.4ºC at 760 mmHg |
|---|---|
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Storage Condition | 0-6ºC |
| Appearance & Physical State | PHYSICAL STATE; APPEARANCE: |
| Flash Point | 260ºC |
| Refractive Index | 1.648 |
| Density | 1.51 |
| Melting Point | 300ºC |
| Vapor Pressure | <0.01 mm Hg ( 20 °C) |
Chemical Properties white powder
History Terephthalic acid came to prominence through the work of Winfield and Dickson in Britain around 1940. Earlier work by Carothers and coworkers in the United States established the feasibility of producing high molecular weight linear polyesters by reacting diacids with diols, but they used aliphatic diacids and diols. These made polyesters which were unsuitable to be spun into fibers. Winfield and Dickson found that symmetrical aromatic diacids yield high-melting, crystalline, and fiberforming materials; poly(ethylene terephthalate) (PET) has since become the largest volume synthetic fiber.
Uses Terephthalic acid (TPA) is a high-tonnage chemical, widely used in the production of synthetic materials, notably polyester fibers (poly-(ethylene terephthalate)).
Uses Terephthalic acid is a benzenepolycarboxylic acid with potential anti-hemorrhagic properties.
Uses 1,4-benzenedicarboxylic acid is mainly used for the production of poly (ethylene terephthalate). Also production of plasticizer dioctyl phthalate (DOTP) and polyester plasticized agents. 1,4-benzenedicarboxylic acid and polyhydric alcohols have a condensation reaction withd iethylene glycol, triethylene glycol, glycerol, propylene glycol, butylene glycol, etc. preparation of the polyester plasticizer.
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