Terephthalic Acid - PTA

Purified Terephthalic Acid-PTA comes in the form of white crystals or powder. It is insoluble in water, choloroform, ether, acetic acid, but slightly soluble in alcohol, and soluble in alkalies. It sublimes when heated.

Product Details

Formula:

C8H6O4

CAS Number:

100-21-0

Also Known As:

Benzene-1,4-dicarboxylic acid; para-Phthalic acid; TPA; PTA; BDC

Structure:

236_Main_Terephthalic Acid.png

applications:

Purified Terephthalic Acid-PTA is used in the production of linear, crystalline polyester resins, plastics, fibers, films, textiles, pharmaceuticals, and animal feeds.
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Typical Specifications

Data is representative of average lots;
data taken from specific lots may vary.

Appearance

White crystals or powder

Density, g/cm3

1.51

Melting point, °C

402-404 (sublimes)

Molecular weight, g/mol

166.13

Odor

Slight odor

Purity, %

98

Refractive index, n20/D

1.5100

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