PHTHALIC ANHYDRIDE [ C8H4O3 ]

Phthalic anhydride (PA) is a white crystalline compound used to manufacture plasticizers, pigments, dyes and resins. One major consumer of PA is the phthalate plasticiser industry, the products of which are used to produce flexible plastic products such as wire & cable applications, hoses, pipes, coated fabrics, roofing membranes and swimming pool liners.

PA is used in the manufacture of unsaturated polyester resins (UPR) that are usually blended with glass fibers to produce fiberglass-reinforced plastics. Principal consumer markets are the construction, marine, and transportation sectors. PA-based alkyd resins are used in paints and lacquers that go in to architectural, machinery, furniture, and fixture applications.

In India, the pigments and dyes industry is a big consumer of PA because India is amongst the largest producers of organic pigments, particularly phthalocyanine blue, green and some high performance pigments. In addition, PA is used in the manufacture of products like herbicides, insecticides, insect repellents, fire retardants, polyester polyols, rubber scorch inhibitors, etc.

TCL is a pioneer in the manufacture of PA, having produced it for over forty years.

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