Purified Terephthalic Acid (PTA)

Purified Terephthalic Acid (PTA)

Purified Terephthalic Acid (PTA)

CAS No.: 100-21-0

Purified Terephthalic acid is the organic compound in white solid form used principally as a precursor to the polyester PET, used to make clothing and plastic bottles

Synonym: Benzene-1,4-dicarboxylic acid, para-Phthalic acid, PTA, Terephthalic acid

Chemical Formula: C8H6O4

Molecular Weight: 166.13


Purified Terephthalic acid is organic compound consumed mostly in production of polyester including PET, polyster fibre & film. It is also used in making cyclohexanedimethanol, terephthaloyl chloride, copolyester-ether elastomers, plasticisers and liquid crystal polymers. Other PTA applications include coatings and composite materials, based on unsaturated polyester resins, and hot-melt adhesives.

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