Terephthalic Acid
Request a quote| Catalog Number | ACM100210-1 |
| Product Name | Terephthalic Acid |
| CAS Number | 100-21-0 |
| Structure |  |
| Description | Terephthalic acid (a portmanteau of the turpentine producing tree terebinthus, and phthalic acid) is the organic compound with formula C6H4(CO2H)2. This White solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles. Several million tonnes are produced annually. |
| IUPAC Name | terephthalic acid |
| Synonyms | TEREPHTHALIC ACID FOR SYNTHESIS;Terephthalic acid;Terephthalicacid;TEREPHTHALIC ACID/BENZENE-1,4-DICARBOXYLIC ACID;p-Phthalic acid |
| Molecular Weight | 166.13 |
| Molecular Formula | C8H6O4 |
| Canonical SMILES | OC(=O)c1ccc(cc1)C(O)=O |
| Inchi | 1S/C8H6O4/c9-7(10)5-1-2-6(4-3-5)8(11)12/h1-4H,(H,9,10)(H,11,12) |
| InChIKey | KKEYFWRCBNTPAC-UHFFFAOYSA-N |
| Boiling Point | greater than 572 °F at 760 mm Hg (sublimes without melting) (NTP, 1992);>572°F (sublimes) |
| Melting Point | 300ºC |
| Flash Point | 260ºC |
| Purity | 99% |
| Density | 1.51 |
| Solubility | Insoluble (NTP, 1992);9.03e-05 M;Insoluble in chloroform, ether, acetic acid; slightly soluble in alcohol; soluble in alkalies;Solubilities at 25 °C (g/100 g solvent): water = 0.0017, glacial acetic acid = 0.013, methanol = 0.1, dimethylformamide = 6.7, dimethyl sulfoxide = 19.0;In water, 15 mg/L at 20 °C;0.015 mg/mL at 20 °C;Solubility in water, g/100ml at 20 °C: 0.28 |
| Appearance | White to Almost white powder to crystal |
| Application | Terephthalic acid (TPA) can be synthesized from bio-based materials for a variety of s, which include the production of polyester fiber, non-fiber field, PET bottles, synthetic perfumes and medicines. Terephthalic acid is used as a linker molecule in the preparation of metal organic frameworks (MOFs). |
| Storage | Store under inert gas, 2-8°C |
| Refractive Index | 1.648 |
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