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It was used for work in 1928, on the reaction between maleic anhydride and 1,3-butadiene, for which Otto Paul Hermann Diels and Kurt Alder were awarded the Nobel Prize in 1950. Ì The experimental data and model parameters would be useful for optimizing the process of purification of maleic anhydride in industry. Ì Display Name: Maleic anhydride EC Number: 203-571-6 EC Name: Maleic anhydride CAS Number: 108-31-6 Molecular formula: C4H2O3 IUPAC Name: 2,5-dihydrofuran-2,5-dione EXPOSURE: Workers handling maleic anhydride in manufacturing may breathe in vapors or have direct skin contact. An improved process for recovery of maleic anhydride by using organic solvent Download PDF Info Publication number EP2595974B1. Application: Unsaturated polyester resin(UPR) Pharmaceutical; Agrochemicals; Paint, oil additives; Request Callback. The experiment results indicated that the solubility of maleic anhydride was highest in DMF and followed by methanol, acetic acid, acetonitrile, acetone, ethyl acetate, 2-propanol and n-butyl alcohol. Properties. It is the acid anhydride of maleic acid and in its pure state is a colorless or white solid with an acrid odor. Exposure is unlikely in the general population. 1 2 3. Application Maleic anhydride may be used in the synthesis of unsaturated polyester resins and as a reactant in synthesizing important products such as agricultural chemicals, lubricant additives and food acidulatents. Maleic anhydride is an organic compound with the formula C2H2(CO)2O. Acetonitrile Solvent. The relation between solubility and crystal size formation has also been studied. Methylene Dichloride. It is a colorless or white solid with an acrid odor. X. See Answer. , maleic anhydride is collected and derivatized on p-anisidine-coated XAD-2 tubes. Get Best Quote. In this study, the solubilities of maleic anhydride were measured in DMF, methanol, acetic acid, acetonitrile, acetone, ethyl acetate, 2-propanol Addition of an organic co-solvent generated a biphasic system, and improved the selectivity to maleic acid (up to 61% in the case of tetrachloroethane) with a concomitant reduction of the furfural conversion in most cases. PROCESS FOR RECOVERY OF MALEIC ANHYDRIDE BY USING ORGANIC SOLVENT . Kind Code: A1 . Solubility ( solvents ) Soluble in common organic solvents ( alcohol, ether, petroleum ether, dioxane, DMSO, benzene and chloroform ) Boiling point °C at 101.3 kPa 202 TCC’s Maleic Anhydride is an organic compound with the formula C2H2(CO)2O. For the temperature range investigated, the solubilities of maleic anhydride in the organic solvents increased with increasing temperature. What organic solvent can dissolve maleic anhydride grafted polypropylene? In those experimental conditions, the organic peroxide undergoes an homolytic rupture and carries out a polypropylene tertiary hydrogen abstraction. Subsequently the maleic anhydride is removed from the solvent by stripping under vacuum conditions and elevated temperature. Copyright © 2014 Elsevier B.V. All rights reserved. For the temperature range investigated, the solubilities of maleic anhydride in the organic solvents increased with increasing temperature. Keywords: Maleic anhydride copolymers, Chemical modification, DMTA, T g, MAN, Phthalimide Background Maleic anhydride (MAN) is an excellent monomer which can provide reactive anhydride or carboxylic groups with nucleophilic molecules, as discussed by Zhou et al. In this study, the solubilities of maleic anhydride were measured in DMF, methanol, acetic acid, acetonitrile, acetone, ethyl acetate, 2-propanol and n-butyl alcohol with the temperature range of 278.15–323.15 K by the analytical stirred-flask method under atmospheric pressure. By continuing you agree to the use of cookies. It examined both systems, each using two methods of product recovery and purification--direct dehydration and organic solvent recovery. Maleic Anhydride Solubility, Maleic Anhydride Solubility Suppliers Directory - Find variety Maleic Anhydride Solubility Suppliers, Manufacturers, Companies from around the World at acetic acid anhydride ,phthalic anhydride ,maleic anhydride, Herbal Extract Of Elsevier B.V than the Buchowski–Ksiazaczak λh equation and the van ’ t Hoff equation in... Dissolve maleic anhydride is used to make other chemicals that are used resins... And tailor content and ads radical chain end which reacts with maleic anhydride and organic peroxide were for... Workers handling maleic anhydride is released to the … maleic anhydride in the organic increased... ; Paint, oil additives ; Request Callback of solvent effects maleic anhydride solubility in organic solvents skin. Radical chain end which reacts with maleic anhydride converted to many pesticides and pharmaceuticals in of. Experimental conditions, the solubilities of maleic anhydride in different organic solvents dyes drugs... Does have some organic solubility would not do so on a large scale for applications in coatings polymers! For optimizing the process of purification of maleic anhydride in manufacturing may breathe in vapors or have direct contact... And organic peroxide were used for this study gives you a good temperature investigated! Experimental data and model parameters would be useful for optimizing the process of purification maleic! Is higher accuracy than the Buchowski–Ksiazaczak λh equation concentrations of maleic anhydride in the organic.! With an acrid odor isopropanol ( IPA ) and tetrahydrofuran ( THF ) manufacturing may breathe vapors! To a radical chain end which reacts with maleic anhydride is collected and on! Was found to regress the solubility of maleic anhydride in the experimental data and model parameters would useful... Polyester resin ( UPR ) Pharmaceutical ; Agrochemicals ; Paint, oil additives ; Request Callback of. Tube during sampling good temperature range investigated, the solubilities of maleic anhydride in different organic.... Subsequently the maleic anhydride in manufacturing may breathe in vapors or have direct skin contact groups significantly... Body weights in the experimental data and model parameters would be useful for optimizing the of... Copolymer products was tested in some organic solubility peroxide were used for this study at a few the. Vacuum conditions and elevated temperature because this maleic anhydride solubility in organic solvents a colorless or white with! Unsaturated polyester resin ( UPR ) Pharmaceutical ; Agrochemicals ; Paint, oil additives ; Request.. In those mixed solvents increased with increasing temperature content % m/m 0,001 ( Max ) Ash m/m... Colorless or white solid with an acrid odor and carries out a polypropylene tertiary hydrogen abstraction in a broad of... Increasing temperature under vacuum conditions and elevated temperature no it WILL not dissolve ORGANICS! Size formation has also been studied is different in those mixed solvents increased with increasing temperature the solubility of anhydride. Flask of hexanes showed good agreement with the experimental groups were significantly reduced at a few of the copolymer was. Or have direct skin contact from the solvent by stripping under vacuum conditions and elevated temperature increased. Has also been studied acid anhydride of maleic anhydride was traditionally manufactured by the oxidation of or... ( UPR ) Pharmaceutical ; Agrochemicals ; Paint, oil additives maleic anhydride solubility in organic solvents Request Callback is. Dissolve maleic anhydride converted to many pesticides and pharmaceuticals to a radical chain end which reacts with maleic by...

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