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Supply Type
Manufacturer, Exporter, Supplier
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Preferred Buyer Location
Anywhere in India
Phthalic Anhydride is a versatile intermediate in organic chemistry, since it is bi- functional and cheaply available. It undergoes hydrolysis and alcoholysis. Hydrolysis by hot water forms ortho-phthalic acid. This process is reversible: Phthalic anhydride re-forms upon heating the acid above 180oC.[2] Hydrolysis of anhydrides is not typically a reversible process. However, phthalic acid is easily dehydrated to form phthalic anhydride due to the creation of a thermodynamically favorable 5-membered ring.