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mellitic anhydride : ウィキペディア英語版 | mellitic anhydride
|Section2= |Section7= }} Mellitic anhydride, the anhydride of mellitic acid, is an organic compound with the formula C12O9. Mellitic anhydride is an oxide of carbon (oxocarbon), like CO2, CO, and C3O2. It is a white sublimable solid, apparently obtained by Liebig and Wöhler in 1830 in their study of mellite ("honey stone"); they assigned it the formula C4O3. The substance was properly characterized in 1913 by H. Meyer and K. Steiner. It retains the aromatic character of the benzene ring. ==References==
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