Diese Seite wurde zuletzt am 3. Minimum unit of trading. Sie entsteht in allen Organismen (z. No hazardous material acc. By contrast, maleic acid has pK a values of approximately 1.5 and 6.5. C&L Inventory . [4] Die Verbindung löst sich nur wenig in Wasser. a quantity of 0.317 kg of can replace 0.453 kg of citric acid. Fumaric Acid is a four carbon dicarboxylic acid (a carbohydrate) that is an intermediate of the citric acid cycle. Both these compounds have two carboxylic acid groups per molecule. Fumaric acid-1,4-13 C 2,2,3-d 2 2 Product Results | Match Criteria: Product Name [. The trans isomer possesses a dipole moment. how can the difference in their isomeric structures be accounted for the different pKa's? Die Verbindung löst sich nur wenig in Wasser. Density of aqueous formic acid solutions at 20°C [6] Formic acid content, wt% ϱ, g/cm 3Formic acid content, wt% ϱ, g/cm 2 1.003 50 1.118 5 1.011 60 1.141 10 1.024 70 1.163 20 1.048 80 1.185 30 1.072 90 1.204 40 1.095 100 1.221 Table 3. Fumaric Acid Accession Number DB01677 Description Not Available Type Small Molecule Groups Experimental, Investigational Structure. [8] Der Flammpunkt von Fumarsäure liegt bei 273 °C, die Zersetzungstemperatur bei > 350 °C und die Zündtemperatur bei 375 °C. FUMARIC ACID is a carboxylic acid. All values are from Martell, A. E.; Smith, R. M. Critical Stability Constants, Vols. As intermediate: in pesticides manufacturing. Fumaric acid EC Number: 203-743-0 EC Name: Fumaric acid CAS Number: 110-17-8 Molecular formula: C4H4O4 IUPAC Name: (2E)-but-2-enedioic acid . Bei 15,5 °C lösen sich in 100 g Wasser nur 0,428 g Fumarsäure, bei 100 °C steigt die Löslichkeit auf 9,97 g pro 100 g Wasser. Bei 15,5 °C lösen sich in 100 g Wasser nur 0,428 g Fumarsäure, bei 100 °C steigt die Löslichkeit auf 9,97 g pro 100 g Wasser. It is an intermediate metabolite in the citric acid cycle. The conjugate anion formed from the first dissociation is stabilized by the neighboring acidic group for maleic acid, the negative charge is de-intensified. 25 . [10], Fumarsäure wird auch in Kosmetikartikeln eingesetzt. it dissolves slowly in cold water, but if mixed with dioctyl sodium sulfosuccinate its solubility improves. Fumaric Acid, Benzoic Acid, Phthalic Acid, Maleic Acid, Naphtoic Acid . [11], Dieser Artikel behandelt ein Gesundheitsthema. Fumaric Acid Pka. Seven carboxylic acids are separated based on their polarity and pKa values. 0 0. It is a precursor to L-malate in the Krebs tricarboxylic acid (TCA) cycle. Chung Kun Shih, Craig W. Gleason, Edmund H. Braun, II, "Solventless process for producing dialkyl fumarate-vinyl acetate copolymers." Die wässrige Lösung reagiert stark sauer: 1 l Wasser mit darin gelösten 4,9 g Fumarsäure hat einen pH-Wert von 2,1. Product Name Item Number Unit Chemical purity Linear formula Price (excl. Maleic acid and fumaric acid are two isomers with vastly different physical properties and pKa values for loss of both protons. In the table below, pK a1 and pK a2 for water solutions at 25°C are given together with boiling and melting point, density and molecular weight, as well as number of carbon, hydrogen and oxygen atoms in each molecule. Nat Rev Drug Discov. The key difference between maleic acid and fumaric acid is that maleic acid is the cis-isomer of butenedioic acid, whereas fumaric acid is the trans-isomer.. Maleic acid and fumaric acid are carboxylic acids.They are cis-trans isomers of each other. Synthetisch wird Fumarsäure durch Isomerisierung aus Maleinsäure hergestellt. Catalog No.S4952 Synonyms: 2-Butenedioic acid, Trans-Butenedioic acid, Allomaleic acid, Boletic acid, Donitic acid, Lichenic acid, Fumarate CAS No. Assertion: `pka_(1)` of fumaric acid is more than maleic acid. Its structure is shown in figure 1 (EMBL-EBI, 2017). Maleic acid and fumaric acid are two isomers with vastly different physical properties and pKa values for loss of both protons. Ihren Namen erhielt sie vom Gewöhnlichen Erdrauch (Fumaria officinalis), der größere Mengen der Säure enthält. Flavis number 8.025 . Fumarsäure hat unter Normaldruck keinen Schmelzpunkt, sondern sublimiert ab etwa 200 °C. Beilstein/REAXYS Number 605763 . as an antioxidant. Talloil Fatty Acid Talloil Destilled Heat Transfer Fluids Fumaric Acid Fumaric Acid. In the treatment of psoriasis, doses of several hundred mg are common. A traditional synthesis involves oxidation of furfural (from the processing of maize) using chlorate in the presence of a vanadium-based catalyst. Maleic acid is the cis isomer and fumaric acid is the trans isomer. 2006 Oct;5(10):821-34. Fumarsäure kommt in größeren Mengen in verschiedenen Pflanzen, Pilzen und Flechten vor. This white crystalline compound is the trans isomer of maleic acid. [, Imming P, Sinning C, Meyer A: Drugs, their targets and the nature and number of drug targets. Fumaric acid has been used in food and beverage products for almost a century and is most commonly relied on to improve quality and reduce costs of many food, beverage, and animal feed products. Among the side-effects are leucopenia and lymphopenia. An effective tool for balancing the pH in food and beverages, fumaric acid controls the impact and intensity of sourness and flavor as well as having an anti-microbial and bactericidal effect. Source(s): maleic acid fumaric acid pka: https://tinyurl.im/BVPug. Type of substance Composition: mono-constituent substance Origin: organic Total tonnage band Total range: 10 000 - 100 000 tonnes per annum REACH Registered as: FULL Submitted: Joint Submission Publication dates First published: 02-Mar-2011 Last … Registration dossier . These acids experience two-step dissociation in aqueous solutions.They have the same structural formula but different spatial configurations. In the treatment of psoriasis, doses of several hundred mg are common. If a compound has high basicity, then it can cause … This application file is based on limited review of Foodchem International Corporation. E5: Acid Dissociation Constants of Organics Last updated; Save as PDF Page ID 6647; Contributors and Attributions; The following table provides pK a and K a values for selected weak acids. CAS Nr. ... Methylmalonic acid, Fumaric acid, Maleic acid . Linear Formula HOOCCH=CHCOOH . Christian Loock Marketing Sales. The absence of an interaction does not necessarily mean no interactions exist. InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+. Sie findet dort als Puffersubstanz Verwendung und stabilisiert den pH-Wert des Kosmetikums. After addition of the fumaric acid-saturated acetone in step 4, there is an interconversion of alkaloid-citrate to alkaloid-fumarate salt, like: dmt-citrate + fumaric acid <-> dmt-fumarate + citric acid citric acid has a pKa of 3.13, while fumaric acid's pka is 3.43. Registration dossier . Fumaric Acid in Other Industries Not enough is known about application of Fumaric Acid in other industries. C 4-H 4-O 4. FUMARIC ACID FINE - Bulk density Not Established - Specific gravity 1.635 - Viscosity NA - Water solubility 0.5% at 20°C - Solubility (non aqueous) Methyl alcohol: completely miscible - Partition coefficient In OCTANOL/ WATER (log value): Log Kow: -0.2 to -1.8 - Dissociation constant pKa: 3.13, 4.76 and 6.4 at 25° - Evaporation rate NA. This is because of the structural changes seen in these two compounds. pH of Organic Acids and Salts. PKa values of fumaric acid and maleic acids are 3.0-4.5 and 1.5-6.5. Ihre Salze heißen Fumarate. [3], Fumarsäure ist als Lebensmittelzusatzstoff E 297 zugelassen und dient als Säuerungsmittel. VAT) Qty; FUMARIC ACID (13C4, 99%) CLM-1529-0.1: … Registration dossier . Sie bildet bei Raumtemperatur weiße, fast geruchlose, brennbare Kristalle. Both these compounds have two carboxylic acid groups per molecule. 1–4.Plenum Press: New York, 1976. check_circle Expert Answer. FUMARIC ACID (2,3-D2, 98%) G. Chemical purity: 98%: Reference: DLM-1539-PK: Unlabeled CAS Number: Labeled CAS Number : 24461-32-3: Linear formula: HOOCCD=CDCOOH: MW: 118,08: Manufacturer : Eurisotop: Request For Quote. VAT) Qty; FUMARIC ACID (2,3-D2, 98%) DLM-1539-5: 5 G: 98%: … Carboxylic acids donate hydrogen ions if a base is present to accept them. Es ist eine ungesättigte Dicarbonsäure mit dem IUPAC-Namen trans-Butendisäure, auch trans-Ethylendicarbonsäure genannt. Based on given acidity constants (pK a values) the pH of organic acids for 1, 10, and 100 mmol/L are calculated.The results are listed in the following tables (valid for standard conditions 25°C, 1 atm):. trans-1,2-Ethylenedicarboxylic. It is formed by the oxidation of succinic acid by succinate dehydrogenase. If you could show me the calculations, that'd be more than great, but I really only just need the number. Dangerous goods class . Recall from Section 1.10B that there is restricted rotation around carbon–carbon double bonds. Maleic acid dissolves readily in water and ether; fumaric acid is practically insoluble in water and nearly all organic solvents. Tel. FEMA Number 2488 . Fumaric acid is a common food additive included in many processed foods to keep them stable and to add tartness. Sie bildet bei Raumtemperatur weiße, fast geruchlose, brennbare Kristalle. Polyesterharzen eingesetzt. Step 1. The acidity of the first proton is greater for maleic acid, the second proton is not very acidic, fumaric acid has the more acidic second proton. Its chemical formula is HO 2 CCH=CHCO 2 H. Maleic acid is the cis-isomer of butenedioic acid, whereas fumaric acid is the trans-isomer.It is mainly used as a precursor to fumaric acid, and relative to its parent maleic anhydride, maleic acid has few applications. 0 0. EC Inventory, C&L Inventory, Registration dossier, Pre-Registration process, Other, CAD - Chemical Agents Directive, Art. [, Berman HM, Westbrook J, Feng Z, Gilliland G, Bhat TN, Weissig H, Shindyalov IN, Bourne PE: The Protein Data Bank. QTY : Add to my cart . Maleic acid, being a cis-isomer is capable of forming intra-hydrogen bond after losing H + ion, making the conjugate base much stable than the trans form (fumaric acid) because both the oxygen atoms have strong interaction with the remaining H-atom. The reason for this large difference is that when one proton is removed from the cis isomer (maleic acid) a strong intramolecular hydrogen bond is formed with the nearby remaining carboxyl group. Fumarsäure wird in Medizin- und Futtermittelprodukten sowie bei der Herstellung von . 110-17-8 - VZCYOOQTPOCHFL-OWOJBTEDSA-N - Fumaric acid [NF] - Similar structures search, synonyms, formulas, resource links, and other chemical information. OH но- но -OH maleic acid 130 fumaric acid mp (°C) solubility (g/L) in H2O at 25 °C pКaт pKa2 286 788 1.9 3.0 4.5 6.5 fullscreen. pH of Organic Acids and Salts. Fumaric acid is the trans and maleic acid the cis isomer. CAS No. Changes in ionization states of acids and stationary phase can be used to control elution order of organic and inorganic acids. Im Jahre 1937 erhielt Albert Szent-Györgyi den Medizin-Nobelpreis für seine biochemischen Arbeiten unter anderem auch zur Fumarsäure. The substance has a more sour flavor than citric acid, another common food additive. organic acids – sorted by formula Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Fumaric acid . This Site Might Help You. trans-1,2-Ethylenedicarboxylic acid . Fumaric Acid was much more effective than Lactic or Acetic Acids in the reduction of Listeria monocytogenes and E.Coli O157:H7 in beef muscle that was dipped for 5 seconds in a 1% acid … Council of Europe no. Contact us to learn more about these and other features. Other identifiers . Contraindications & Blackbox Warnings data. Post navigation ← Entropy Calculation for Ideal Gas Elements General Physical Properties : Atomic Size | Melting point | Boiling point → 110-17-8 Fumaric acid (Fumarate, 2-Butenedioic acid, Trans-Butenedioic acid) is an intermediate in the citric acid cycle used by cells to produce energy in the form of adenosine triphosphate (ATP) from food; also a product of the urea cycle. Fumaric acid FCC, FG CAS Number 110-17-8. Produktbeschreibung. Both Maleic acid and Fumaric acid have the same molecular formula but have different physical properties. Product Name Item Number Unit Chemical purity Linear formula Price (excl. Difference Between Maleic Acid and Fumaric Acid.The key difference between maleic acid and fumaric acid is that maleic acid is the cis-isomer of butenedioic acid, whereas fumaric acid is the trans-isomer. 1) Fumaric acid has a higher melting point then Maleic acid. Application Analytes: Fumaric Acid Maleic Acid Methylmalonic Acid. Explain why each of these differences occurs. Fumaric Acid 110-17-8 , Find Complete Details about Fumaric Acid 110-17-8,Fumaric Acid,Fumaric Acid,110-17-8 from Food Additives Supplier or Manufacturer-Shandong Haoyao New Materials Co., Ltd. Nucleic Acids Res. 5 years ago. There is additional data available for commercial users including Adverse Effects, Contraindications, and Blackbox Warnings. 25 kg bag. only produce fumaric acid but also other carboxylic acids like malic, lactic, acetic, succi nic, and citric in smaller amounts than fumaric acid production (Rhodes et al. Fumaric acid is an organic compound with the formula HO 2 CCH=CHCO 2 H. A white solid, fumaric acid occurs widely in nature. Fumaric acid is also an essential ingredient in plant life. Fumaric acid and maleic acid are the simplest unsaturated carboxylic diacids. organic acids – sorted by formula Er dient. Nat Rev Drug Discov. 2006 Dec;5(12):993-6. Formula. educated guess:the pseudo six member ring that maleic acid forms should help stabliize the ion. Powder. Volatilization of fumaric acid from moist soil surfaces is not expected to be an important fate process (SRC) given its pKa (3). Fumaric Acid. Fumarsäure ist der Trivialname einer in der Natur vorkommenden organisch-chemischen Substanz. This information should not be interpreted without the help of a healthcare provider. If you believe you are experiencing an interaction, contact a healthcare provider immediately. As an additive, fumaric acid is produced synthetically, mainly from malic acid from apples. They react in this way with all bases, both organic (for example, the amines) and inorganic. 1959 ; Seven carboxylic acids are separated based on their polarity and pKa values. Fumaric Acid is widely used as intermediate in Agriculture/Animal Feed. 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. Still have questions? It has a fruit-like taste and has been used as a food additive. Source(s): https://shrinkurl.im/a8JM4. Molecular Weight 116.07 . Curtis. PubChem Substance ID 24900967. ... pKa at 20°C provides numerical substance information on the dissociation constant in pKa at a temperature of 20°C. Structure for Fumaric Acid (DB01677) × Close. Synonyme: (E)-Butenedioic acid, trans-1,2-Ethylenedicarboxylic acid, 2-Butenedioic acid, trans-butenedioic acid, Allomaleic acid, Boletic acid, Donitic acid, Lichenic acid. Changes in ionization states of acids and stationary phase can be used to control elution order of organic and inorganic acids. This method was applied for determination of fumaric acid in apple juice and of fumaric and maleic acid in dl-malic, the recovery tests established for real samples were within the range 95-105%. Registration dossier . Your MY-CHEM contact person . Fumaric Acid is an acidulant that is a nonhygroscopic, strong acid of poor solubility. Weight Average: 116.0722 Monoisotopic: 116.010958616 Chemical Formula C 4 H 4 O 4 Synonyms (2E)-2-butenedioic acid (E)-2-butenedioic acid… Maleic acid or cis-butenedioic acid is an organic compound that is a dicarboxylic acid, a molecule with two carboxyl groups. EC Number 203-743-0. Packaging. Definitions of the acid dissociation constant and pK a are given below the table. 110-17-8 . as an antioxidant. K. Lohbeck, H. Haferkorn, W. Fuhrmann, N. Fedke: https://de.wikipedia.org/w/index.php?title=Fumarsäure&oldid=207225004, Wikipedia:Vom Gesetzgeber eingestufter Gefahrstoff, „Creative Commons Attribution/Share Alike“, im Nukleotidstoffwechsel bei der Darstellung von. Fumaric acid is used in small amounts in the preparation of food, i.e. ADR. Similar Structures. Among the side-effects are leucopenia and lymphopenia. The progress made in the applied field has helped in reevaluating fumaric acid (FA) beyond the scope of a platform chemical. Process for the crystallization of fumaric acid, comprising crystallizing fumaric acid in an aqueous solution having a pH of between 0.5 to 3.5, wherein the aqueous solution comprises microbial cells at a concentration of at least 0.5 to 20 g dry weight / I, wherein fumaric acid crystals are formed. Fumaric acid has pK a values of approximately 3.0 and 4.5. For e.g., fumaric acid is a trans isomer, and maleic acid is a cis isomer. In der Schweineaufzucht nutzt man Fumarsäure als Futterzusatz für Ferkel, um colibedingten Infektionen vorzubeugen, indem damit der pH-Wert im Darm ausreichend niedrig gehalten wird. it can move down and push the double bond of its neighbour oxygen up, giving it the negative charge. Seven carboxylic acids are separated based on their polarity and pKa values. Application Analytes: Fumaric Acid Hydroxybenzoic Acid Malic Acid Mandelic Acid Methylmalonic Acid Organic Acids Succinic Acid Tartaric Acid. U.S. Patent US4772674, issued September, 1980. Image Transcriptionclose. Viele – insbesondere aminogruppenhaltige – pharmazeutisch wirksame Substanzen werden als Salze der Fumarsäure verabreicht. Download . help_outline. Definitions of the acid dissociation constant and pKa are given below the figures, together with the definition of some classes of organic acids. 110-17-8. Disodium Fumarate, Sodium Fumarate and Ferrous Fumarate are salts of Fumaric Acid. Fumaric acid is used in small amounts in the preparation of food, i.e. l−1 bei 20 °C)[3]. … Hover over the x/y-axis hold down left-button to move around the spectra. 25 kg bag. He Fumaric acid , Also called transbutenodioic acid, is an organic compound of the formula HOOCCH = CHCOOH. MOL SDF 3D-SDF PDB SMILES InChI. MDL number MFCD00002700. TRANS-BUTENEDICARBOXYLIC ACID . RE: why does maleic acid and fumaric acid have different pka? Die zweiprotonige Säure hat einen pKs1von 3,0 und einen pKs2 von 4,5. The salts and esters are known as fumarates.Fumarate can also refer to the C 4 H 2 O 2− 4 ion (in solution). Hover over the x/y-axis and use mouse-wheel to zoom in/out. Dies geschieht durch Erhitzen auf über 150 °C, durch UV-Bestrahlung oder katalytisch in wässriger Lösung. Januar 2021 um 16:52 Uhr bearbeitet. Get your answers by asking now. Source : Google images (In the figure, Maleic Acid is forming Intra-hydrogen bond while Fumaric Acid is forming Inter-hydrogen bond). Explain why each of these differences occurs. fumaric acid ,Butenedioic acid , Allomaleic acid , Boletic acid , Donitic acid , Lichenic acid. Delivery form. Die wässrige Lösung reagiert stark sauer: 1 l Wasser mit darin gelösten 4,9 g Fumarsäure hat einen pH-Wert von 2,1. Small fumaric acid pKa to pH question TL;DR How many grams of powdered/crystalized fumaric acid do I have to add to 500mLs of water to reach a pH of 4? Es konnte nachgewiesen werden, dass Fumarsäure als Futterzusatz bei Lämmern deren Methanproduktion um bis zu 70 % senken kann. B. in mehreren Gattungen der Mucorales) auf verschiedenen biochemischen Stoffwechselwegen: Fumarsäure hat unter Normaldruck keinen Schmelzpunkt, sondern sublimiert ab etwa 200 °C. Fumarsäureester wie Fumarsäuredimethylester und Fumarsäuremonoethylester werden zur Behandlung der Schuppenflechte sowie seit März 2013 der schubförmig-remittierenden multiplen Sklerose eingesetzt.[9]. Fumaric acid (FA) originally derived its name from the plant, Fumaria officinalis (family: Papaveraceae), from which this organic acid was isolated for the first time (Roa Engel et al., 2008).Some other common names of FA are allomaleic acid, boletic acid, lichenic acid, and tumaric acid. the solubility rate also increases with smaller particle size. QTY : Add to my cart . In der Biotechnologie wird Ammoniak stereoselektiv an die Kohlenstoff-Kohlenstoff-Doppelbindung angelagert, es bildet sich enzymkatalysiert L-Asparaginsäure. Drug created on June 13, 2005 07:24 / Updated on June 12, 2020 10:51. The citric acid cycle is the main pathway used by cells (including cells in the human body) to produce energy.
Reason: Conjugate base of fumaric acid is stabilised by intramolecular `H`-bonding. This is because Fumaric acid can pack better in the crystal lattice. pKa values of Carboxylic acids, Alcohols, Phenols , Amines. 2000 Jan 1;28(1):235-42. Maleic acid, being a cis-isomer is capable of forming intra-hydrogen bond after losing H + ion, making the conjugate base much stable than the trans form (fumaric acid) because both the oxygen atoms have strong interaction with the remaining H-atom. [3] Die zweiprotonige Säure hat einen pKs1 von 3,0 und einen pKs2 von 4,5. Die isomere cis-Form heißt Maleinsäure. Based on given acidity constants (pK a values) the pH of organic acids for 1, 10, and 100 mmol/L are calculated.The results are listed in the following tables (valid for standard conditions 25°C, 1 atm):. when it loses its proton, the negative charge develops on that oxygen. Its E number is E297. Currently, industrial synthesis of fumaric acid is mostly based on catalytic isomerisation of maleic acid in aqueous solutions at low pH. … : 110-17-8. As the name implies, it is a carboxylic, butenedioic acid, in which the double bond C = C has E geometry. NAD-dependent malic enzyme, mitochondrial, D05AX — Other antipsoriatics for topical use, GC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS), splash10-0002-2940000000-e988056514d4ce4acc27, splash10-0002-2960000000-a5ebaf2bbade922838ec, splash10-0002-2950000000-32afa4d45e0e72b174b4, GC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies), splash10-0002-0950000000-fe0f05c02c783d0b6f6b, splash10-006t-9530000000-0fc03f31f09dc8dbf4c6, splash10-0002-3690000000-75089756992cdbe841e3, splash10-0002-9100000000-2cf649749b42cc0c610c, splash10-0007-0890000000-b1c35cd55deb81254f66, splash10-0002-0940000000-177fdb9168659029ffaa, splash10-0092-9000000000-003dd2d9303272b2ebea, MS/MS Spectrum - Quattro_QQQ 10V, Negative, splash10-00di-9100000000-57f13cd433a6fe4bf0b3, MS/MS Spectrum - Quattro_QQQ 25V, Negative, splash10-0229-9600000000-cd9e2979d0bb1e2a62f2, MS/MS Spectrum - Quattro_QQQ 40V, Negative, splash10-03k9-8900000000-dc50dbf8a50872383d54, MS/MS Spectrum - EI-B (HITACHI RMU-6L) , Positive, splash10-0002-9100000000-b47e534bc82a6ed36e7c, Predicted MS/MS Spectrum - 10V, Positive (Annotated), Predicted MS/MS Spectrum - 20V, Positive (Annotated), Predicted MS/MS Spectrum - 40V, Positive (Annotated), Predicted MS/MS Spectrum - 10V, Negative (Annotated), Predicted MS/MS Spectrum - 20V, Negative (Annotated), Predicted MS/MS Spectrum - 40V, Negative (Annotated), Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl), Overington JP, Al-Lazikani B, Hopkins AL: How many drug targets are there? They are the isomers of each other. 3D. it has a solubility of 0.63 g in 100 ml of distilled water at 25°c. In der Synthesechemie wird es für die Polyester-Herstellung verwendet. Fumaric acid was first prepared from succinic acid. FUMARIC ACID (13C4, 99%) G. Chemical purity: 98%: Reference: CLM-1529-PK: Unlabeled CAS Number: 110-17-8: Labeled CAS Number : Linear formula: HOO*C*CH=*CH*COOH: MW: 120,04: Manufacturer : Cambridge Isotope Laboratories: Request For Quote. Help To zoom into a region, draw a box around it. They are cis-trans isomers of each other. Fumaric acid is not expected to volatilize from dry soil surfaces (SRC) based upon a vapor pressure of 1.54X10-4 mm Hg (5). Fumaric acid is a dicarboxylic acid.