We investigated the directions of Maumené‐Lecuir, for preparing the potassium salt of mellitic acid by thermal decomposition of the potassium salt of tartaric acid; we obtained only very low yields of mellitic acid by this method. We investigated the directions of Maumené‐Lecuir, for preparing the potassium salt of mellitic acid by thermal decomposition of the potassium salt of tartaric acid; we obtained only very low yields of mellitic acid by this method. The hexachloride of mellitic acid has been prepared in the pure state. The high stability of mellitic acid salts and their presence as an endproduct of the oxidation of polycyclic aromatic hydrocarbons, which are present in the solar system, make them a possible organic substance in Martian soil. From the very little amount of data available on this acid, I have learned that it is actually not impossible to make! Cambridge University Press. Mellitic acid 99% Synonym: Benzenehexacarboxylic acid CAS Number 517-60-2. Linear Formula C 6 (CO 2 H) 6. The ammonium salt is then converted into the lead salt by precipitation with lead acetate, and the lead salt is then decomposed by hydrogen sulfide. Mellitic acid, also called graphitic acid or benzenehexacarboxylic acid, is an acid first discovered in 1799 by Martin Heinrich Klaproth in the mineral mellite (honeystone), which is the aluminium salt of the acid. But I still have no idea how to make it with reasonable yield, so any help would be appreciated. Citing Literature. 18 (11th ed.). The precipitated alumina is filtered off, the filtrate evaporated, and the ammonium salt of the acid purified by recrystallization. We investigated the directions of Maumené‐Lecuir, for preparing the potassium salt of mellitic acid by thermal decomposition of the potassium salt of tartaric acid; we obtained only very low yields of mellitic acid by this method. Mellitic Acid Synthesis and Properties I heard about this acid a long time ago, and suddenly remembered about it, with a sudden urge to make it and test its properties. The synthesis of mellite from mellitic acid, KOH and Al2(SO4)3•18H2O is demonstrated and discussed as a potential geomimetic process for the formation of the mineral mellite in brown coal. p. 95. Mellitic Acid Synthesis and Properties I heard about this acid a long time ago, and suddenly remembered about it, with a sudden urge to make it and test its properties. Mellitic acid may be prepared by warming mellite with ammonium carbonate, boiling off the excess of the ammonium salt, and adding ammonia to the solution. MDL number MFCD00002469. The mixture may be separated by dissolving out the ammonium euchroate with water. Preparation and Structure Analysis of Three New Copper Complexes of Mellitic Acid With 4,4′‐Bipyridine and 1,3 ... 4 ⋅20H 2 O, (2 b), of mellitic acid, H 6 L, with 4,4′‐bipyrdine, (bpy), and 1,3‐bis(4‐pyridyl)propane, (bpypa), have been prepared and the three‐dimensional structures are established by single crystal X‐ray diffraction unequivocally. NACRES NA.22 Learn about our remote access options, Amsterdam, Laboratory for organic chemistry of the Amsterdam University. Working off-campus? Mellitic acid may be prepared by warming mellite with ammonium carbonate, boiling off the excess of the ammonium salt, and adding ammonia to the solution. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, I have read and accept the Wiley Online Library Terms and Conditions of Use. Learn more. It is found that mellitic acid and graphite oxid… The precipitated alumina is filtered off, the filtrate evaporated, and the ammonium salt of the acid purified by recrystallization. EC Number 208-243-6. Pyromellitic, Benzenepentacarboxylic and Mellitic Acids as Radioprotectors, Recueil des Travaux Chimiques des Pays-Bas. Mellitic acid | C12H6O12 | CID 2334 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Long digestion of the acid with an excess of phosphorus pentachloride forms the acid chloride, which crystallizes in needles, and melts at 190 °C. The acid may also be prepared by the oxidation of pure carbon, graphite or hexamethylb… Electrochemical oxidation of graphite anode in deionized water at galvanostatic mode is investigated. Molecular Weight 342.17 . The hexachloride of mellitic acid has been prepared in the pure state. From the very little amount of data available on this acid, I have learned that it is actually not impossible to make! Beilstein/REAXYS Number 2228443 . Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Sigma-Aldrich offers abstracts and full-text articles by [Kathryn G Rose, Deana M Jaber, Dina A Jaber, Chenaimwoyo A Gondo, Darren G Hamilton]. (1911). Mellitic anhydride, the anhydride of mellitic acid, is an organic compound with the formula C 12 O 9. Kary Banks Mullis (December 28, 1944 – August 7, 2019) was an American biochemist.In recognition of his invention of the polymerase chain reaction (PCR) technique, he shared the 1993 Nobel Prize in Chemistry with Michael Smith and was awarded the Japan … By heating the ammonium salt of the acid to 150–160 °C while ammonia is evolved, a mixture of paramide (mellimide, molecular formula C6(CONHCO)3), and ammonium euchroate is obtained. Mellitic acid may be prepared by oxidation of hexamethylbenzene by means of concentrated nitric acid at 120‐160°; this method has the advantage that the crude reaction product already consists of rather pure mellitic acid; the yield of the pure product is about 35% of the theoretical. D. Appleton and Co. (1889). Containing no other elements (e.g., hydrogen) besides carbon and oxygen, mellitic anhydride is an oxide of carbon , and, along with CO 2, CO, and C 3 O 2, is one of the only four that are reasonably stable under standard conditions. InChI=1S/C12H6O12/c13-7(14)1-2(8(15)16)4(10(19)20)6(12(23)24)5(11(21)22)3(1)9(17)18/h(H,13,14)(H,15,16)(H,17,18)(H,19,20)(H,21,22)(H,23,24), InChI=1/C12H6O12/c13-7(14)1-2(8(15)16)4(10(19)20)6(12(23)24)5(11(21)22)3(1)9(17)18/h(H,13,14)(H,15,16)(H,17,18)(H,19,20)(H,21,22)(H,23,24), O=C(O)c1c(c(c(c(c1C(=O)O)C(=O)O)C(=O)O)C(=O)O)C(=O)O, Except where otherwise noted, data are given for materials in their. and you may need to create a new Wiley Online Library account. ) 6 fine silky needles and is soluble in water and alcohol acid, I have learned that it actually! Organic chemistry of the acid purified by recrystallization, Recueil des Travaux Chimiques Pays-Bas... Linear Formula C 12 O 9: Chisholm, Hugh, ed Geomimetic! The full text of this article hosted at iucr.org is unavailable due to technical.. 2 H ) 6 Chimiques des Pays-Bas chemistry of the mellitic acid preparation listed )... Chimiques des Pays-Bas silky needles and is soluble in water and alcohol chlorine, concentrated acid! 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mellitic acid preparation

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