p-Xylene (CAS 106-42-3), also known as 1,4-Dimethylbenzene or para-xylene, is a versatile chemical used in the production of various industrial products. This article explores its properties and applications.
Properties of Paraxylene (PX)
It is insoluble in water but soluble in alcohol, chloroform, ether, and many organic solvents. It is a carcinogenic compound that can be considered as volatile organic and toxic. It is colorless, easily flammable and explosive liquid.

Paraxylene(PX) Uses
Paraxylene is widely used as a feedstock to manufacture other industrial chemicals, notably terephthalic acid (TPA), purified terephthalic acid (PTA) and dimethyl-terephthalate (DMT). TPA, PTA and DMT are used to manufacture polyethylene terephthalate (PET) polyesters, a kind of plastic.
- Bottles made from PET plastic are widely used as containers for water, sodas, and other beverages because PET is lightweight, shatter-resistant and strong.

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