Discovery of Tetrafluorophthalic anhydride

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In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Quality Control of Tetrafluorophthalic anhydride, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 652-12-0, name is Tetrafluorophthalic anhydride. In an article，Which mentioned a new discovery about 652-12-0

A process for producing tetrafluorophthalic anhydride, which comprises chlorinating tetrachlorophthalic anhydride to obtain 3,3,4,5,6,7-hexachloro-1-[3H]-isobenzofuranone, then fluorinating it to obtain 3,4,5,6-tetrafluorophthaloyldifluoride and/or 3,3,4,5,6,7-hexafluoro-1-[3H]-isobenzofuranone, and further reacting the tetrafluorophthalolyldifluoride and/or the hexafluoro-1-[3H]-isobenzofuranone with an inorganic base or an organic acid to obtain tetrafluorophthalic anhydride.

I hope this article can help some friends in scientific research. I am very proud of our efforts over the past few months and hope to 652-12-0, help many people in the next few years.Quality Control of Tetrafluorophthalic anhydride

Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H3696O – PubChem