| Terephthalic acid(PTA) | |||
| CAS No: | 100-21-0 | Molecular Structure | Samples |
| EINECS No: | 202-830-0 |  |  |
| Molecular Formula: | C8H6O4 | ||
| Molecular Weight: | 166.131 | ||
| Density: | 1.58 g/ml at 25 °C | ||
| Physical Properties: Terephthalic acid is a white crystalline powder at room temperature, slightly soluble in water, insoluble in carbon tetrachloride, ether, acetic acid, and chloroform, slightly soluble in ethanol, and soluble in alkaline solution. | |||
| Applications: Terephthalic acid is mainly used in the production of polyethylene terephthalate, and another important application is the production of dioctyl terephthalate plasticizers and polyester plasticizers. | |||