Maleic acid CAS 110-16-7 EMPROVE® ESSENTIAL Ph Eur,NF - Find MSDS or SDS, a COA, data sheets and more information. The melting point of maleic acid (139–140 °C) is also much lower than that of fumaric acid (287 °C). Why does maleic acid have a lower melting point that fumaric acid? The melting point of maleic acid (135 °C) is also much lower than that of fumaric acid (287 °C). Maleic acid is a colorless crystalline solid having a faint odor. known to react with the The melting point of maleic acid (135 °C) is also much lower than that of fumaric acid (287 °C). 2018/2019 ... Poly(styrene-alt-maleic acid) sodium salt solution. The melting point of maleic acid (135 °C) is also much lower than that of fumaric acid (287 °C). Maleic acid is not found in nature. Maleic anhydride grafted onto high density polyethylene with an enhanced grafting degree via monomer microencapsulation. This produces highly irritating fumes including maleic anhydride. If the solid hasn't melted by 150°C, assume it is fumaric acid. Maleic acid is soluble in water, whereas fumaric acid is not; and the melting point of maleic acid (130 - 139 °C) is also much lower than that of fumaric acid (287 °C). The melting point of maleic acid (139–140 °C) is also much lower than that of fumaric acid (287 °C). In the liquid phase, fumaric acid will keep the near-sphere ordering somewhat intact, i.e. When heated to decomposition it emits irritating fumes and acrid smoke [Lewis, 3rd ed., 1993, p. 790]. Incompatible with strong oxidizing agents, bases. CAS No: 110-16-7 Molecular Weight: 116.072 Molecular Formula:C 4 H 4 O 4 Boiling Point:266 to 268° F (NTP, 1992) Melting Point:138-139 DEG C CRYSTALS FROM WATER; 130-131 DEG C CRYSTALS FROM ALC & BENZENE Properties Safety and Handling Reach Info MSDS Computational chemical data 329 Suppliers Maleic acid, also called cis-butenedioic acid (HO 2 CCH=CHCO 2 H), unsaturated organic dibasic acid, used in making polyesters for fibre-reinforced laminated moldings and paint vehicles, and in the manufacture of fumaric acid and many other chemical products.Maleic acid and its anhydride are prepared industrially by the catalytic oxidation of benzene. The solution in water is a medium strong acid. maleic acid price Molecular formula : C 4 H 4 O 4 CAS: 110-16-7 Specification Appearance White needle crystal Purity: % 99 Melting point: °C 133~135 Dissolution test passed iron ion: ppm 2 max ignition residue % 0.1max chloride % 0.01max Sulfate: ppm 5max Packaging : 25kg/ drum Melting point of fumaric acid is much higher than that of maleic acid. Maleic acid, the cis isomer (I), has a melting point of 130°C and a boiling point of 160°C; fumaric acid, the trans isomer (II), has a melting point of 286°C and a boiling point of 290°C. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:18300, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite™, Compounds with the same molecular formula, Search Google for structures with same skeleton. It exhibits a high solubility in water, amounting to 78.8 g per 100 ml of water at 25 °C and 392.6 g per 100 ml of water at 97.5 °C. Exposure to moist air or water. Chemsrc provides Furan-maleic anhydride adduct(CAS#:6766-44-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. CopyCopied, VZCYOOQTPOCHFL-UPHRSURJSA-N Maleic acid for synthesis. Both properties of maleic acid can be explained on account of the intramolecular hydrogen bonding [5] that takes place in maleic acid at the expense of intermolecular interactions, and that are not possible in fumaric acid for geometric reasons. Reference: 1. Both properties of maleic acid can be explained on account of the intramolecular hydrogen bonding that takes place at the expense of intermolecular interactions. Incompatible Materials Bases, Strong oxidizing agents, Reducing Agent Hazardous Decomposition ProductsCarbon monoxide (CO), Carbon dioxide (CO2) Hazardous Polymerization Hazardous polymerization does not occur. I know the actual yield = (Mass of Maleic Acid produced) + (Mass of Fumaric Acid produced) but how do I determine the Theoretical yield? Maleic acid is soluble in water whereas fumaric acid is not and the melting point of maleic acid (130 - 131 degree centigrade) is also much lower than that of fumaric acid (287 degree centigrade). C. Why does maleic acid react with magnesium metal? Hazardous Reactions None under normal processing. Maleic acid is more soluble in water than fumaric acid. More info about absorbents, including situations to watch out for... National Oceanic and Atmospheric Administration. However maleic acid will probably stick with one fully intramolecular hydrogen bond that does not contribute to intermolecular attractions, thereby lowering its boiling point. Appearance: Maleic acid, 98+%; Maleic acid, 98+%; white powder or crystals. Find chemicals information maleic acid monomethyl ester at guidechem, professional … 298-300 °C (Literature, Sublimes) Indofine [020723] 299 °C (Sublimes) Alfa Aesar 230 °C (Decomposes) OU Chemical Safety Data (No longer updated) More details 132-136 °C Alfa Aesar [A14596] : 138 °C Jean-Claude Bradley Open Melting Point Dataset 14807: 130.5 °C Jean-Claude Bradley Open Melting Point Dataset 25955: 299.5 °C Jean-Claude Bradley Open Melting Point Dataset 28127, 28128 Maleic acid (MA) is able to establish an esterification reaction with cotton but is not able to crosslink two cellulose molecules (Peng et al., 2012). Maleic Acid CAS No 110-16-7 MATERIAL SAFETY DATA SHEET SDS/MSDS. Maleic acid. Both properties of maleic acid can be explained on account of the intramolecular hydrogen bonding that takes place in maleic acid at the expense of intermolecular interactions, and that are not possible in fumaric acid for geometric reasons. A butenedioic acid in which the double bond has cis- (Z)-configuration. Maleic acid is soluble in water whereas fumaric acid is not and the melting point of maleic acid (130 - 131 degree centigrade) is also much lower than that of fumaric acid (287 degree centigrade). Articles of Furan-maleic anhydride adduct … Web site owner: Maleic acid Revision Date 25-May-2018 Conditions to Avoid Incompatible products. Why is maleic acid more soluble in water than fumaric acid? Fumaric acid could be alternatively synthesized by an enzymatic process starting from maleic acid as in the chemical synthesis. Maleic acid is more soluble in water, than fumaric acid. Maleic acid is more soluble in water, than fumaric acid. MALEIC ACID Acidum maleicum C4H4O4 Mr 116.1 [110-16-7] DEFINITION Maleic acid contains not lessthan99.0percentandnot more than the equivalent of 101.0 per cent of (Z)-butenedioic acid, calculated with reference to the anhydrous substance. 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