Purified Isophthalic Acid - PIA

Purified Isophthalic Acid (PIA) is used primarily in unsaturated polyester resins. It improves the property balance for coating resins and enhances clarity of PET-bottle grade resins.

Product Details

Formula:

C8H6O4

CAS Number:

121-91-5

Also Known As:

Benzene-1,3-dicarboxylic acid; meta-Phthalic acid

Structure:

188_Main_Purified Isophthalic Acid.png

applications:

Isophthalic Acid is used as an intermediate primarily for unsaturated polyester resins and alkyd and polyester coating resins; other applications include use in aramid fibers, as a component of copolyester resins and in high-temperature polymers.
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Typical Specifications

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

Appearance

Colorless crystalline powder

Density, g/cm3

1.54

Melting point, °C

347

Molecular weight, g/mol

166.13

Purity, %

99

Refractive index, n20/D

1.5100

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