Best Toluene Diisocyanate Cas 26471-62-5 Phthalic Anhydride CAS 85-44-9 Chinese Manufacture Supply – Chemwin

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Toluene Diisocyanate Cas 26471-62-5 Phthalic Anhydride CAS 85-44-9 Chinese Manufacture Supply – Chemwin Detail:

Product Name：Phthalic anhydride

Molecular format：C8H4O3

CAS No：85-44-9

Product molecular structure：

Phthalic anhydride

Chemical Properties:

Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. This colourless solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics

.Phthalic anhydride is an important chemical intermediate in the plastics industry from which are derived numerous phthalate esters that function as plasticizers in synthetic resins. Phthalic anhydride itself is used as a monomer for synthetic resins such as glyptal, the alkyd resins, and the polyester resins.
Phthalic anhydride is also used as a precursor of anthraquinone, phthalein, rhodamine, phthalocyanine, fluorescein, and xanthene dyes.
Phthalic anhydride is used in the synthesis of primary amines, the agricultural fungicide phaltan, and thalidomide. Other reactions with phthalic anhydride yield phenolphthalein, benzoic acid, phthalylsulfathiazole (an intestinal antimicrobial agent), and orthophthalic acid.

Application:

The compound is a high-tonnage chemical and is widely used in a variety of industrial organic syntheses.

Phthalic anhydride is used in the manufacture of unsaturated polyesters and as a curing agent for epoxy resins. When used as a pigment, it can be responsible for sensitization in ceramic workers.

Phthalic Anhydride is an organic compound and the anhydride of phthalic acid (P384480). Phthalic Anhydride is an important industrial chemical commonly used in large-scale production of plasticizers f or plastics. Recent research have also evaluated Phthalic Anhydride as potential antibacterial agent.
manufacture of phthaleins, phthalates, benzoic acid, synthetic indigo, artificial resins (glyptal).
Intermediate for Plastizers, Paints, Dyes and Pigments, Polyester Resins.

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