Terephthalic Acid
Product Description
| Product | Terephthalic Acid |
| CAS | 100-21-0 |
| Formula | C6H4(COOH)2 |
| Synonym | PTA, TPA, 1,4-Benzenedicarboxylic acid, 1,4-Benzenedicarboxylic acid |
Typical Product Specifications
| Density | 1.51 |
| Practically Insoluble | in water, chloroform, ether, acetic acid |
| Slightly Soluble | in alcohol |
| Acetic Acid | 1100 ppm |
| Hunter b-color | 2.7 Max |
| 4CBA | 262 - 418 ppm |
| Acidic Impurities | Benzoic Acid : ------- 50 ppmPhthalic Acid : --- |
| Water content(ppm) | 0.05% |
| p-Toluene Sufonamide | 1 ppm |
| Hunter L-color | 98.5 Min |
| Iron | < 1.0 ppm |
| Bromine Index | 15 ppm |
| Purity | 99.8% Min |
| Alkaline Transparency | 90% |
| Sensoric | White Powder |
| Metal Content | CO : --- 3.4 - 6.4 ppmMn : --- 3.1 - 6.1 ppmNa |
| Acid Value, pressed | 675 |
| Melting Point | 300 c |
| Molecular weight | 166.14 |
| Flash Point | (oc) 260 c |
| Solubility | alkalis, dimethyl sulfoxide |
| Chemical Structure | ![]() |
| Notes | Terephthalic Acid is a precursor and chemical intermediate used in the production of various textiles and plastic products. For more information on Terephthalic Acid CAS 100-21-0: |
| Class | Petrochemicals, Chemical Intermediates |
| Function | Intermediates |
| Industry | Industrial, Textiles, Plastics |

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