Tags: Chemical Compound, Chemical Substance.
Ethylenetetracarboxylic dianhydride is a chemical compound with formula C6O6 that can be seen as the twofold anhydride of ethylenetetracarboxylic acid C6H4O8. Its molecular backbone consists of two five-atom maleic anhydride rings each containing one oxygen atom and four carbon atoms sharing a pair of carbons. It is one of the oxides of carbon.
