Terephthalic acid
Yangzi Petrochemical Terephthalic acid Purified terephthalic acid Professional sales of Terephthalic acid
Superior product Domestic 40kg/bag4000
Product name: Terephthalic acid
Alias: p-phthalic acid
Molecular formula: C8H6O4; HOOCC6H4COOH
Molecular weight: 166.13
CAS No.: 100-21-0
This product is white crystal or power with low toxicity. Flammable. If mixed with air, it will burn or explode with fire within certain limit.
Spontaneous ignition point 680οC
Ignition point 384~421οC
Heat of sublimation 98.4kJ/mol
Heat of combustion 3225.9kJ/mol
Flash point >110οC
Density 1.55g/cm3.
The vast majority of PTA is used in the production of the most important polyester-Polyethylene terephthalate.