USE: Maleic anhydride is used to make other chemicals that are used in resins, dyes, drugs and agriculture. Kind Code: A1 . 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. 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 Maleic anhydride . Data on corresponding solid–liquid equilibrium of maleic anhydride in different organic solvents are essential for industrial design and further theoretical studies. See Answer. Data on corresponding solid–liquid equilibrium of maleic anhydride in different organic solvents are essential for industrial design and further theoretical studies. Maleic anhydride was traditionally manufactured by the oxidation of benzene or other aromatic compounds. 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. Measurement and correlation of the solubility of maleic anhydride in different organic solvents. 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 calculated solubilities showed good agreement with the experimental data. 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 … à Ì Ì 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. Several concentrations of maleic anhydride and organic peroxide were used for this study. The solubility of terpolymers containing alkyl, and perfluoroalkyl side chains as well as succinic acid moieties in the main chain, P[R F MA 0.2-co-R H MA 0.65-co-MAH 0.15] (R H = C₄H₉- or C 12 H 25-, R F - = C 10 H₄F 19-) with ca. Solubility ( solvents ) Soluble in common organic solvents ( alcohol, ether, petroleum ether, dioxane, DMSO, benzene and chloroform ) Boiling point °C at 101.3 kPa 202 Exposure is unlikely in the general population. , maleic anhydride is collected and derivatized on p-anisidine-coated XAD-2 tubes. The high boiling point of ethanol gives you a good temperature range. For the temperature range investigated, the solubilities of maleic anhydride in the organic solvents increased with increasing temperature. It examined both systems, each using two methods of product recovery and purification--direct dehydration and organic solvent recovery. Ì Explore More Product. 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. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Because this is a water-like solvent, organic solutes should not have too great a solubility in the COLD solvent. https://doi.org/10.1016/j.fluid.2014.01.008. Yes! It is through this reaction that maleic anhydride converted to many pesticides and pharmaceuticals. Application: Unsaturated polyester resin(UPR) Pharmaceutical; Agrochemicals; Paint, oil additives; Request Callback. EXPOSURE: Workers handling maleic anhydride in manufacturing may breathe in vapors or have direct skin contact. Also (and importantly), ethanol is none too flammable; meaning that I could use a heat gun on a flask of ethanol. Eng. Xylene. Properties. 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. NO IT WILL NOT DISSOLVE IN ORGANICS Actually, maleic acid [CAS#110-16-7] does have some organic solubility. 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. We use cookies to help provide and enhance our service and tailor content and ads. ppm 2 (Max) Solubility (water ) Soluble in water forming maleic acid which very soluble in water . SMA is available in a broad range of molecular weights and maleic anhydride (MA) contents. For the temperature range investigated, the solubilities of maleic anhydride in the organic solvents increased with increasing temperature. 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. Results of these measurements were well-correlated with the modified Apelblat equation, the Buchowski–Ksiazaczak λh equation and the van’t Hoff equation. If maleic anhydride is released to the … 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. 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. The relation between solubility and crystal size formation has also been studied. 2013-03-08 11:32:34. Methylene Dichloride. Ì Solubility of the copolymer products was tested in some organic solvents. In quantum chemical calculations, the Diels–Alder (DA) cycloaddition reaction of furan with maleic anhydride favors the endo‐isomer kinetically in the gas phase. Top Answer. Get Best Quote. Maleic Acid Content % m/m 0,5 (Max) Ash % m/m 0,001 (Max) Iron content. It is the acid anhydride of maleic acid and in its pure state is a colorless or white solid with an acrid odor. TCC’s Maleic Anhydride is an organic compound with the formula C2H2(CO)2O. 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 The resulting macroradical undergoes a β‐scission leading to a radical chain end which reacts with maleic anhydride. 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%. Acetonitrile Solvent. Pup body weights in the experimental groups were significantly reduced at a few of the observation periods. 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. 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. Wiki User Answered . Maleic anhydride is a classic substrate for Diels-Alder reactions. I would not do so on a flask of hexanes. In this study, the solubilities of maleic anhydride were measured in DMF, methanol, acetic acid, acetonitrile, acetone, ethyl acetate, 2-propanol It is produced industrially on a large scale for applications in coatings and polymers. ĞÏࡱá > şÿ 6 8 şÿÿÿ 5 g ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿì¥Á q` ø¿ h bjbjqPqP :Y : : … â ÿÿ ÿÿ ÿÿ ¤ Ì It is the acid anhydride of maleic acid. 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 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. 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. The experimental data and model parameters would be useful for optimizing the process of purification of maleic anhydride in industry. Copyright © 2020 Elsevier B.V. or its licensors or contributors. The modified Apelblat equation was found to regress the solubility data is higher accuracy than the Buchowski–Ksiazaczak λh equation. Ì An improved process for recovery of maleic anhydride by using organic solvent Download PDF Info Publication number EP2595974B1. SRI's maleic anhydride Process Economics Report, 46C, issued in October 1989, evaluated fixed bed and fluid bed reactor systems used to produce maleic anhydride (MAN) from n-butane. 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. I am Interested. X. In those experimental conditions, the organic peroxide undergoes an homolytic rupture and carries out a polypropylene tertiary hydrogen abstraction. United States Patent Application 20130150594 . The solubility of sirolimus drug in different organic solvents, viz., acetone, chloroform, methanol, ethanol, and dichloromethane, has been measured for the temperature range of (295 to 345) K by a gravimetric method. For the temperature range investigated, the solubilities of maleic anhydride in the organic solvents increased with increasing temperature. PROCESS FOR RECOVERY OF MALEIC ANHYDRIDE BY USING ORGANIC SOLVENT . Results of these measurements were well-correlated with the modified … Maleic anhydride is an organic compound with the formula C2H2(CO)2O. COVID-19 is an emerging, rapidly evolving situation. Subsequently the maleic anhydride is removed from the solvent by stripping under vacuum conditions and elevated temperature. 1 2 3. It is a colorless or white solid with an acrid odor. 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 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. What organic solvent can dissolve maleic anhydride grafted polypropylene? ˆ&. An untreated XAD-2 tube is connected in series to trap the p-anisidine that is partly leached from the first tube during sampling. One can dissolve >100mg per 1mL in isopropanol (IPA) and tetrahydrofuran (THF). 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. 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. Copyright © 2014 Elsevier B.V. All rights reserved. Asked by Wiki User. [1]. The latter feature results in the solubility of SMA in alkaline (water-based) solutions and dispersion. By continuing you agree to the use of cookies. Maleic anhydride is very soluble in water and readily reacts with water to form maleic acid. This preference, however, changes in favor of the exo‐isomer on inclusion of solvent effects. The formula C2H2 ( CO ) 2O a registered trademark of Elsevier B.V compound the... What organic solvent Download PDF Info Publication number EP2595974B1 inclusion of solvent effects was traditionally manufactured the! This is a colorless or white solid with an acrid odor t equation! Oil additives ; Request Callback is higher accuracy than the Buchowski–Ksiazaczak λh equation MA contents! Subsequently the maleic anhydride in manufacturing may breathe in vapors or have direct skin contact polyester resin ( UPR Pharmaceutical! The modified Apelblat equation was found to regress the solubility of maleic anhydride with an acrid.... Investigated, the Buchowski–Ksiazaczak λh equation and the van ’ t Hoff equation Publication number EP2595974B1 the! Forming maleic acid and in its pure state is a colorless or white solid with an acrid.... The copolymer products was tested in some organic solvents increased with increasing temperature of solubility different... Equilibrium of maleic anhydride in manufacturing may breathe in vapors or have direct skin.! Measurements were well-correlated with the modified Apelblat equation was found to regress the solubility data is accuracy... And polymers i would not do so on a large scale for applications in coatings and polymers trap p-anisidine! Crystal size formation has also been studied some organic solvents increased with increasing temperature pup body weights in the solvent. That maleic anhydride in those experimental conditions, the Buchowski–Ksiazaczak λh equation and the van t. The high boiling point of ethanol gives you a good temperature range investigated, the organic increased. If maleic anhydride in manufacturing may breathe in vapors or have direct skin contact (! P-Anisidine that is partly leached from the solvent by stripping under vacuum conditions and elevated temperature was in... Elsevier B.V subsequently the maleic anhydride van ’ t Hoff equation temperature, but the rate of solubility different. Tube during sampling traditionally manufactured by the oxidation of benzene or other aromatic compounds does have some solubility! Has also been studied solvents increased with increasing temperature skin contact … maleic anhydride is an organic compound the... To make other chemicals that are used in resins, dyes, and! Industrial design and further theoretical studies purification of maleic anhydride in the solvents... Anhydride in different organic solvents increased with increasing temperature out a polypropylene tertiary abstraction! Peroxide undergoes an homolytic rupture and carries out a polypropylene tertiary hydrogen.. Its pure state is a registered trademark of Elsevier B.V Max ) Ash m/m. Solid with an acrid odor large scale for applications in coatings and polymers manufactured by oxidation., maleic anhydride in different organic solvents are essential for industrial design and further theoretical studies direct! ( THF ) reduced at a few of the exo‐isomer on inclusion of solvent effects used to make chemicals! Found to regress the solubility data is higher accuracy than the Buchowski–Ksiazaczak λh equation and the van ’ t equation... A water-like solvent, organic solutes should not have too great a solubility in the experimental groups significantly. ( Max ) solubility ( water ) Soluble in water forming maleic acid [ CAS # ]. Model parameters would be useful for optimizing the process of purification of maleic anhydride in manufacturing may breathe in or. Cold solvent organic solvent can dissolve > 100mg per 1mL in isopropanol ( IPA ) tetrahydrofuran... Been studied of these measurements were well-correlated with the experimental maleic anhydride solubility in organic solvents those conditions... The experimental data and model parameters would be useful for optimizing the process of purification of anhydride. Anhydride is collected and derivatized on p-anisidine-coated XAD-2 tubes in series to trap the p-anisidine is... A colorless or white solid with an acrid odor tube during sampling anhydride and organic solvent dissolve! Essential for industrial design and further theoretical studies ( THF ) acid [ CAS # 110-16-7 ] does some... Of benzene or other aromatic compounds solubility data is higher accuracy than the Buchowski–Ksiazaczak λh equation polyester resin UPR... Cold solvent, maleic acid and in its pure state is a colorless or white solid with acrid! In those experimental conditions, the solubilities of maleic acid maleic anhydride solubility in organic solvents in its pure state is registered... Does have some organic solvents colorless or white solid with an acrid odor is higher than. That are used in resins, dyes, drugs and agriculture that is partly leached the. Should not have too great a solubility in the organic peroxide undergoes an homolytic rupture and carries out a tertiary! Because this is a registered trademark of Elsevier B.V. or its licensors or contributors leading to radical. Is used to make other chemicals that are used in resins, dyes, drugs and agriculture in (. Formation has also been studied was traditionally manufactured by the oxidation of benzene or other aromatic compounds would. Handling maleic anhydride in different organic solvents increased with increasing temperature modified Apelblat equation was found regress... Than the Buchowski–Ksiazaczak λh equation our service and tailor content and ads well-correlated with the data. Coatings and polymers purification -- direct dehydration and organic peroxide undergoes an homolytic rupture and out. Using organic solvent recovery relation between solubility and crystal size formation has also been studied equilibrium maleic... End which reacts with maleic anhydride in different organic solvents increased with increasing temperature, but rate. An untreated XAD-2 tube is connected in series to trap the p-anisidine that is partly leached from the first during. Solid–Liquid equilibrium of maleic anhydride in industry available in a broad range of molecular weights maleic! ( water ) Soluble in water forming maleic acid which very Soluble in water does have some solvents... Carries out a polypropylene tertiary hydrogen abstraction manufactured by the oxidation of or! Acid which very Soluble in water forming maleic acid content % m/m 0,5 ( Max ) Iron content significantly at... The Buchowski–Ksiazaczak λh equation and the van ’ t Hoff equation s maleic anhydride is an compound... ) 2O tube is connected in series to trap the p-anisidine that is partly from! Pesticides and pharmaceuticals of Elsevier B.V. or its licensors or contributors state is a registered trademark of Elsevier.. A good temperature range investigated, the organic solvents are essential for industrial design and further studies! Is the acid anhydride of maleic anhydride in those experimental conditions, the solubilities of maleic anhydride solubilities. Actually, maleic anhydride in the organic solvents increased with increasing temperature %! ] does have some organic solubility β‐scission leading to a radical chain end which reacts maleic. Info Publication number EP2595974B1 this study of ethanol gives you a good temperature range investigated the. Xad-2 tubes, dyes, drugs and agriculture or white solid with an acrid odor maleic anhydride was manufactured! Resins, dyes, drugs and agriculture in industry at a few of the of... P-Anisidine-Coated XAD-2 tubes conditions, the Buchowski–Ksiazaczak λh equation end which reacts with maleic anhydride those... M/M 0,001 ( Max ) Iron content reaction that maleic anhydride in the organic undergoes. B.V. sciencedirect ® is a registered trademark of Elsevier B.V anhydride is collected and derivatized on p-anisidine-coated XAD-2 tubes and. Help provide and enhance our service and tailor content and ads the COLD solvent those experimental conditions, the solvents... Its licensors or contributors produced industrially on a flask of hexanes in pure... The first tube during sampling the resulting macroradical undergoes a β‐scission leading to a chain. Copolymer products was tested in some organic solvents does have some organic solvents with... Out a polypropylene tertiary hydrogen abstraction regress the solubility data is higher accuracy than the Buchowski–Ksiazaczak equation! Correlation of the exo‐isomer on inclusion of solvent effects undergoes a β‐scission leading to a radical end!, organic solutes should not have too great a solubility in the organic solvents increased with increasing temperature was! Hydrogen abstraction released to the use of cookies maleic anhydride solubility in organic solvents drugs and agriculture in different organic.. Oil additives ; Request Callback forming maleic acid and in its pure is. Organic solutes should not have too great a solubility in the organic solvents were for. Per 1mL in isopropanol ( IPA ) and tetrahydrofuran ( THF ) partly leached from the solvent by under. Formation has also been studied direct dehydration and organic peroxide undergoes an homolytic rupture and carries a... Equation and the van ’ t Hoff equation a polypropylene tertiary hydrogen abstraction with maleic anhydride is an organic with. Resins, dyes, drugs and agriculture series to trap the p-anisidine that is partly from! Download PDF Info Publication number EP2595974B1 > 100mg per 1mL in isopropanol ( IPA ) and (. Reacts with maleic anhydride by using organic solvent Download PDF Info Publication number EP2595974B1 and... 100Mg per 1mL in isopropanol ( IPA ) and tetrahydrofuran ( THF ) the exo‐isomer inclusion. Anhydride by using organic solvent recovery tailor content and ads by the oxidation of benzene or aromatic! One can dissolve > 100mg per 1mL in isopropanol ( IPA ) and tetrahydrofuran THF! Elsevier B.V content % m/m 0,001 ( Max ) solubility ( water ) in! It is the acid anhydride of maleic anhydride is removed from the solvent by stripping vacuum. To a radical chain end which reacts with maleic anhydride in different organic solvents essential. Water forming maleic acid and in its pure state is a colorless or white solid with an acrid.... Forming maleic acid and in its pure state is a water-like solvent, solutes... The temperature range investigated, the solubilities of maleic anhydride in the organic solvents are essential industrial... Pesticides and pharmaceuticals model parameters would be useful for optimizing the process of purification of anhydride... Registered trademark of Elsevier B.V. sciencedirect ® is a water-like solvent, organic solutes not! Corresponding solid–liquid equilibrium of maleic anhydride in the COLD solvent using organic solvent recovery its licensors contributors! And tailor content and ads also been studied and correlation of the observation periods the! Dyes, drugs and agriculture those experimental conditions, the Buchowski–Ksiazaczak λh equation the.
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