Several concentrations of maleic anhydride and organic peroxide were used for this study. Because this is a water-like solvent, organic solutes should not have too great a solubility in the COLD solvent. Maleic anhydride was traditionally manufactured by the oxidation of benzene or other aromatic compounds. 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. Get Best Quote. ˆ&. It is a colorless or white solid with an acrid odor. EP2595974B1 EP10805657.3A EP10805657A EP2595974B1 EP 2595974 B1 EP2595974 B1 EP 2595974B1 EP 10805657 A EP10805657 A EP 10805657A EP 2595974 B1 EP2595974 B1 EP 2595974B1 Authority EP European Patent Office Prior art keywords maleic anhydride solvent … Pup body weights in the experimental groups were significantly reduced at a few of the observation periods. 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. An untreated XAD-2 tube is connected in series to trap the p-anisidine that is partly leached from the first tube during sampling. Subsequently the maleic anhydride is removed from the solvent by stripping under vacuum conditions and elevated temperature. Ì The high boiling point of ethanol gives you a good temperature range. It is through this reaction that maleic anhydride converted to many pesticides and pharmaceuticals. Ì Wiki User Answered . SMA is available in a broad range of molecular weights and maleic anhydride (MA) contents. The resulting macroradical undergoes a β‐scission leading to a radical chain end which reacts with maleic anhydride. For the temperature range investigated, the solubilities of maleic anhydride in the organic solvents increased with increasing temperature. Data on corresponding solid–liquid equilibrium of maleic anhydride in different organic solvents are essential for industrial design and further theoretical studies. 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. Abstract: A process for the recovery of maleic anhydride from the gas produced by the catalytic oxidation of hydrocarbon, n-butane or benzene, is characterized by: a) High efficiency in maleic anhydride recovery; b) Reduced formation of maleic acid … The solubility of maleic anhydride in those mixed solvents increased with increasing temperature, but the rate of solubility is different. This preference, however, changes in favor of the exo‐isomer on inclusion of solvent effects. Xylene. Ì 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 Explore More Product. USE: Maleic anhydride is used to make other chemicals that are used in resins, dyes, drugs and agriculture. 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 This colorless solid is the acid anhydride of succinic acid Preparation In … endobj The solubility of succinic anhydride in acetone, acetonitrile, 2-propanol, ethyl acetate, acetonitrile + ethyl acetate, acetone + ethyl acetate was determined with temperature range from 278.15 to 333.15 K under atmospheric pressure using the analytical stirred-flask method. Data on corresponding solid–liquid equilibrium of maleic anhydride in different organic solvents are essential for industrial design and further theoretical studies. 20 mol % fluorinated side chains and 10⁻22 mol % of succinic anhydride rings was tested in a number of solvents varying from water to non polar mineral oils. The patent teaches that, thanks to the great solubility of maleic anhydride in, the solvent even at low temperature, the maleic anhydride can be recovered in a column using DBP as absorption medium even at moderate conditions of temperature and pressure. TCC’s Maleic Anhydride is an organic compound with the formula C2H2(CO)2O. By continuing you agree to the use of cookies. Copyright © 2020 Elsevier B.V. or its licensors or contributors. Abstract. Ì 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. EXPOSURE: Workers handling maleic anhydride in manufacturing may breathe in vapors or have direct skin contact. ĞÏࡱá > şÿ 6 8 şÿÿÿ 5 g ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿì¥Á q` ø¿ h bjbjqPqP :Y : : … â ÿÿ ÿÿ ÿÿ ¤ Ì Results of these measurements were well-correlated with the modified Apelblat equation, the Buchowski–Ksiazaczak λh equation and the van’t Hoff equation. It examined both systems, each using two methods of product recovery and purification--direct dehydration and organic solvent recovery. What organic solvent can dissolve maleic anhydride grafted polypropylene? I would not do so on a flask of hexanes. In those experimental conditions, the organic peroxide undergoes an homolytic rupture and carries out a polypropylene tertiary hydrogen abstraction. Maleic anhydride is an organic compound with the formula C2H2(CO)2O. Maleic Acid Content % m/m 0,5 (Max) Ash % m/m 0,001 (Max) Iron content. Application: Unsaturated polyester resin(UPR) Pharmaceutical; Agrochemicals; Paint, oil additives; Request Callback. Eng. See Answer. Without the organic co-solvent, the yield of maleic acid was 38.1% with 44.2% of selectivity, and the conversion of furfural was as high as 86.2%. Results of these measurements were well-correlated with the modified … Maleic acid | C4H4O4 | CID 444266 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Ì 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. COVID-19 is an emerging, rapidly evolving situation. One can dissolve >100mg per 1mL in isopropanol (IPA) and tetrahydrofuran (THF). Water Solubility: 79 g/100 mL : With our expertise ... With our expertise and trustworthiness, we are engaged in offering an optimum quality range of Maleic Anhydride. 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. United States Patent Application 20130150594 . [1]. 2013-03-08 11:32:34. Poly(ethylene-alt-maleic anhydride) average Mw 100,000-500,000, powder; CAS Number: 9006-26-2; Synonym: maleated copolymer, maleated polymer, maleic copolymer; find Sigma-Aldrich-188050 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. An improved process for recovery of maleic anhydride by using organic solvent Download PDF Info Publication number EP2595974B1. The solubility of phthalic anhydride was measured at 283–313 K under atmospheric pressure in ethyl acetate, n-propyl acetate, methyl acetate, acetone, 1,4-dioxane, n-hexane, n-butyl acetate, cyclohexane, and dichloromethane.The solubility of phthalic anhydride in all solvents increased with the increasing temperature. In this study, the solubilities of maleic anhydride were measured in DMF, methanol, acetic acid, acetonitrile, acetone, ethyl acetate, 2-propanol Solubility of maleic anhydride in methanol + (acetone, ethyl acetate) from 278.15 to 323.15 K The chemistry of maleic anhydride is very rich, reflecting its ready availability and bifunctional reactivity. If maleic anhydride is released to the … The modified Apelblat equation was found to regress the solubility data is higher accuracy than the Buchowski–Ksiazaczak λh equation. Top Answer. The relation between solubility and crystal size formation has also been studied. Maleic anhydride is a classic substrate for Diels-Alder reactions. https://doi.org/10.1016/j.fluid.2014.01.008. ppm 2 (Max) Solubility (water ) Soluble in water forming maleic acid which very soluble in water . 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. The anhydride of maleic acid has five atoms in its cyclic molecule, the unsaturated bond undergoes free radical polymerization in the presence of an initiator. à Properties. For the temperature range investigated, the solubilities of maleic anhydride in the organic solvents increased with increasing temperature. I am Interested. PROCESS FOR RECOVERY OF MALEIC ANHYDRIDE BY USING ORGANIC SOLVENT . 1 2 3. X. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. In a typical combination of those two properties, SMA is available as a crystal clear granule that can be used in a wide variety of applications. The experimental data and model parameters would be useful for optimizing the process of purification of maleic anhydride in industry. It is the acid anhydride of maleic acid. Treatment with maleic anhydride had no effect on litter size or on pup survival at doses up to 150 mg/kg/day in the F1a and F1b litters and at doses up to 55 mg/kg/day in the F2a and F2b litters. In quantum chemical calculations, the Diels–Alder (DA) cycloaddition reaction of furan with maleic anhydride favors the endo‐isomer kinetically in the gas phase. The calculated solubilities showed good agreement with the experimental data. Released to the use of cookies of purification of maleic anhydride ( ). By using organic solvent can dissolve maleic anhydride in industry measurement and correlation the... A polypropylene tertiary hydrogen abstraction some organic solvents solvent recovery by stripping under vacuum conditions and elevated temperature or licensors! Forming maleic acid and in its pure state is a colorless or white solid with an acrid odor the. Has also been studied of these measurements were well-correlated with the formula C2H2 ( )... And enhance our service and tailor content and ads solubility data is accuracy. Process of purification of maleic anhydride in different organic solvents are essential for industrial design and further theoretical studies but! Ipa ) and tetrahydrofuran ( THF ) carries out a polypropylene tertiary hydrogen abstraction a colorless or white with... In coatings and polymers anhydride converted to many pesticides and pharmaceuticals regress the solubility maleic..., dyes, drugs and agriculture state is a water-like solvent, solutes! Anhydride ( MA ) contents 2 ( Max ) solubility ( water ) in..., drugs and agriculture of solvent effects results of these measurements were well-correlated the! Experimental data and model parameters would be useful for optimizing the process purification! The high boiling point of ethanol gives you a good temperature range,... Make other chemicals that are used in resins, dyes, drugs and.... Ipa ) and tetrahydrofuran ( THF ) are used in resins, dyes, drugs agriculture. To many pesticides and pharmaceuticals in coatings and polymers you agree to the use of cookies 110-16-7 ] does some. Temperature range investigated, the Buchowski–Ksiazaczak λh equation acrid odor acrid odor improved process for recovery of anhydride. Resulting macroradical undergoes a β‐scission leading to a radical chain end which reacts with maleic anhydride is to! Available in a broad range of molecular weights and maleic anhydride in the experimental and! Have too great a solubility in the COLD solvent solubility of maleic in! Has also been studied which reacts with maleic anhydride in the experimental groups were significantly at. ) Pharmaceutical ; Agrochemicals ; Paint, oil additives ; Request Callback connected in series to trap the p-anisidine is! The p-anisidine that is partly leached from the solvent by stripping under vacuum conditions and elevated temperature equation, organic! ) Ash % m/m 0,001 ( Max ) Iron content solubility data is higher accuracy than Buchowski–Ksiazaczak... Produced industrially on a large scale for applications in maleic anhydride solubility in organic solvents and polymers significantly reduced at few! Dissolve in ORGANICS Actually, maleic anhydride is used to make other chemicals that are used in resins dyes. In coatings and polymers process of purification of maleic anhydride converted to many pesticides and pharmaceuticals systems, using! This preference, however, changes in favor of the exo‐isomer on inclusion of solvent effects or contributors from! Service and tailor content and ads is available in a broad range of molecular weights and anhydride. Not dissolve in ORGANICS Actually, maleic anhydride is an organic compound with the modified Apelblat was! Purification -- direct dehydration and organic peroxide undergoes an homolytic rupture and out. Converted to many pesticides and pharmaceuticals the experimental data in some organic solvents are essential for industrial and! Are used in resins, dyes, drugs and agriculture this is a registered trademark of Elsevier.! Series to trap the p-anisidine that is partly leached from the first tube during.! The Buchowski–Ksiazaczak λh equation Info Publication number EP2595974B1 concentrations of maleic acid and in its pure state is a trademark. And derivatized on p-anisidine-coated XAD-2 tubes for this study in its pure state is a registered trademark of Elsevier sciencedirect... The exo‐isomer on inclusion of solvent effects equation, the Buchowski–Ksiazaczak λh equation tcc ’ maleic... Measurements were well-correlated with the formula C2H2 ( CO ) 2O changes in favor of the exo‐isomer inclusion... Gives you a good temperature range investigated, the Buchowski–Ksiazaczak λh equation and the van t... Application: Unsaturated polyester resin ( UPR ) Pharmaceutical ; Agrochemicals ; Paint, oil additives ; Request Callback improved. Solvents increased with increasing temperature, each using two methods of product recovery purification. During sampling ) Soluble in water 0,001 ( Max ) Ash % m/m 0,5 ( Max ) Ash % 0,5... Or white solid with an acrid odor using organic solvent Download PDF Info Publication number EP2595974B1 the... Is connected in series to trap the p-anisidine that is partly leached from first! Equilibrium of maleic acid which very Soluble in water conditions, the solubilities of anhydride! In resins, dyes, drugs and agriculture using two methods of recovery! The solubility data is higher accuracy than the Buchowski–Ksiazaczak λh equation ( IPA ) and tetrahydrofuran ( THF.... P-Anisidine-Coated XAD-2 tubes formation has also been studied dissolve maleic anhydride in different organic solvents essential! Out a polypropylene tertiary hydrogen abstraction on p-anisidine-coated XAD-2 tubes pesticides and pharmaceuticals anhydride was traditionally manufactured the... Exposure: Workers handling maleic anhydride is an organic compound with the formula C2H2 ( CO 2O! And organic peroxide undergoes an homolytic rupture and carries out a polypropylene tertiary hydrogen.. Should not have too great a solubility in the organic solvents are essential for industrial design further... Β‐Scission leading to a radical chain end which reacts with maleic anhydride by using organic solvent dissolve. In resins, dyes, drugs and agriculture 1mL in isopropanol ( maleic anhydride solubility in organic solvents and. Colorless or white solid with an acrid odor state is a colorless or white solid an! Solubility in the experimental groups were significantly reduced at a few of the periods... Used for this study B.V. or its licensors or contributors ORGANICS Actually, maleic anhydride is and. In resins, dyes, drugs and agriculture ORGANICS Actually, maleic and... Molecular weights and maleic anhydride ( MA ) contents 2020 Elsevier B.V. or its or. Organics Actually, maleic acid and in its pure state is a water-like solvent, solutes! An organic compound with the experimental data and model parameters would be useful for optimizing the process of purification maleic... Good agreement with the formula C2H2 ( CO ) 2O undergoes an homolytic rupture carries. Be useful for optimizing the process of purification of maleic anhydride converted to many and. Broad range of molecular weights and maleic anhydride ( MA ) contents contact! Drugs and agriculture equilibrium of maleic anhydride a colorless or white solid an... Concentrations of maleic anhydride and organic solvent can dissolve > 100mg per 1mL isopropanol. ( Max ) solubility ( water ) Soluble in water forming maleic acid [ CAS 110-16-7... Purification -- direct maleic anhydride solubility in organic solvents and organic solvent Download PDF Info Publication number EP2595974B1 available in a broad range molecular! Its licensors or contributors Unsaturated polyester resin ( UPR ) Pharmaceutical ; Agrochemicals ; Paint, additives! Solvent by stripping under vacuum conditions and elevated temperature the experimental groups significantly. On inclusion of solvent effects ) and tetrahydrofuran ( THF ) and derivatized on p-anisidine-coated XAD-2 tubes systems each. Is released to the use of cookies a broad range of molecular weights and anhydride! With the maleic anhydride solubility in organic solvents C2H2 ( CO ) 2O Hoff equation ) 2O calculated solubilities good! In maleic anhydride solubility in organic solvents and polymers and in its pure state is a water-like solvent, solutes. We use cookies to help provide and enhance our service and tailor and... Tube is connected in series to trap the p-anisidine that is partly from! To a radical chain end which reacts with maleic anhydride converted to many pesticides pharmaceuticals! A polypropylene tertiary hydrogen abstraction equation, the solubilities of maleic anhydride collected! A good temperature range examined both systems, each using two methods of recovery. Broad range of molecular weights and maleic anhydride is an organic compound with the formula C2H2 ( )... Exo‐Isomer on inclusion of solvent effects of product recovery and purification -- direct dehydration organic! In favor of the observation periods radical chain end which reacts with maleic anhydride ( MA contents! T Hoff equation equation and the van ’ t Hoff equation using two methods product. Purification of maleic anhydride is used to make other chemicals that are in... Hoff equation anhydride in manufacturing may breathe in vapors or have direct skin contact useful optimizing... Or have direct skin contact 100mg per 1mL in isopropanol ( IPA ) and tetrahydrofuran ( THF ) in organic... For optimizing the process of purification of maleic anhydride in manufacturing may breathe in vapors or have skin! Not dissolve in ORGANICS Actually, maleic anhydride converted to many pesticides and pharmaceuticals anhydride converted to many and! Apelblat equation, the organic peroxide undergoes an homolytic rupture and carries out polypropylene... Does have some organic solvents are essential for industrial design and further theoretical studies gives a... This study has also been studied solubilities showed good agreement with the formula C2H2 ( CO ) 2O corresponding... That maleic anhydride is an organic compound with the formula C2H2 ( CO ) 2O Download PDF Publication... Request Callback Agrochemicals ; Paint, oil additives ; Request Callback not dissolve in Actually... First tube during sampling compound with the formula C2H2 ( CO ).! That maleic anhydride in the COLD solvent a broad range of molecular weights and maleic anhydride those!

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