Aggiornare Internet Explorer a una versione più recente. Yasuhisha Fukumoto, Noboru Moriyama, Takashi Itoi, "Maleic acid copolymer, production thereof and scale-preventing agent containing the same." Maleic acid, or cis-butenedioic acid, is a geometric isomer of fumaric acid; it melts at about 140°C;. ChEBI Name malic acid: ChEBI ID CHEBI:6650: Definition A 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group. SMILES. Maleic acid dibutyl ester can be prepared by the reaction of maleic acid anhydride and 1-butanol in presence of p-toluenesulfonic acid ... IUPAC name Dibutyl (2Z)-2-butenedioate. 130 °C TCI M0020: 101-103 °C (Literature) Indofine [020741] 131-133 °C (Literature) Indofine [020744] 100-104 °C Alfa Aesar A11688: 130-133 °C Alfa Aesar: 130 °C OU Chemical Safety Data (No longer updated) More details: 128-132 °C Merck Millipore 2141, 814737: 130 °C Jean-Claude Bradley Open Melting Point Dataset 15886: 131 °C Jean-Claude Bradley Open Melting Point Dataset 22433 Substance Type: Chemical Substance. It has the … Chiuso Non mostrare più questo messaggio. 2.1.1 IUPAC Name. US4589995 General References Not Available External Links Display Name: Maleic acid EC Number: 203-742-5 EC Name: Maleic acid CAS Number: 110-16-7 Molecular formula: C4H4O4 IUPAC Name: (2Z)-but-2-enedioic acid Find compounds which contain this structure, Find compounds which resemble this structure, European Molecular The mouthwatering tartness associated with green apples and grapes is in large part due to the presence of malic acid. Maleic anhydride rapidly hydrolyzes to form maleic acid in the presence of water and hence environmental exposures to maleic anhydride itself are unlikely. Biology Laboratory, A butenedioic acid in which the double bond has, InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-. Systematic Name: 2-Butenedioic acid (2Z)- IUPAC Name: (2Z)-But-2-enedioic acid CAS Number: 110-16-7. New Window (2S)-2-hydroxybutanedioic acid. Malic acid is an organic compound with the molecular formula C 4 H 6 O 5.It is a dicarboxylic acid that is made by all living organisms, contributes to the pleasantly sour taste of fruits, and is used as a food additive. Name Malic acid Accession Number DB12751 Description. Maleic acid is biodegradable under aerobic conditions in sewage sludge as well as in soil and water. Malic acid has two stereoisomeric forms (L- and D-enantiomers), though only the L-isomer exists naturally.The salts and esters of malic acid are known as malates. Pricing & Availability. (. From Wikipedia. IUPAC Name (2Z)-but-2-enedioic acid. An optically active form of malic acid having (R)-configuration. CAS=371-47-1, Molecular Formula=C4H4Na2O4, Molecular Weight (g/mol)=162.052, MDL Number=MFCD00013059, InChI Key=VXXVUHAXJHEYFH-UAIGNFCESA-N, Synonym=Maleic Acid Disodium Salt, PubChem CID=87068830, IUPAC Name=(Z)-but-2-enedioic acid;sodium, SMILES=C(=CC(=O)O)C(=O)O.[Na]. Display Name: Malic acid EC Number: 230-022-8 EC Name: Malic acid CAS Number: 6915-15-7 Molecular formula: C4H6O5 IUPAC Name: 2-hydroxybutanedioic acid Its chemical formula is HO2CCH=CHCO2H. ChEBI CHEBI:30796: An optically active form of malic acid having (R)-configuration. Reference substance name: Fumaric acid EC Number: 203-743-0 EC Name: Fumaric acid CAS Number: 110-17-8 Molecular formula: C4H4O4 ChEBI Name maleic acid: ChEBI ID CHEBI:18300: Definition A butenedioic acid in which the double bond has cis- (Z)-configuration. Any mammalian metabolite produced during a metabolic reaction in a mouse (. Non tutte le funzionalità del presente sito sono fruibili con Internet Explorer 7 (e versioni precedenti). The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. EPA Registry Name: Maleic acid. Maleic acid or cis-butenedioic acid is an organic compound that is a dicarboxylic acid, a molecule with two carboxyl groups. This service is an Elixir Core Data Resource. … Castor oil, oligomeric reaction products with maleic anhydride . - Maleic acid Substance Details. The cis isomer is the less stable one of the two; the difference in heat of combustion is 22.7 kJ/mol. Chiuso Per saperne di più su come utilizziamo i cookie. Maleic anhydride is a low hazard profile chemical. What is malic acid. Malic acid is the main acid in many fruits, including apricots, blackberries, blueberries, cherries, grapes, mirabelles, peaches, pears, plums, and quinceand is present in lower concentrations in ot… In German it is named Äpfelsäure (or Apfelsäure) after plural or singular of the fruit apple, but the salt(s) Malat(e). 1. Malic acid was first isolated from apple juice by Carl Wilhelm Scheele in 1785. Internal Tracking Number: 26443. Any eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms. Malic Acid, NF, 99-100.5%, Spectrum™. OC(=O)\C=C/C(O)=O. IUPAC Name: (2E)-but-2-enedioic acid. 137-140 °C (Literature) Indofine [022104] 132-136 °C Alfa Aesar: 138 °C OU Chemical Safety Data (No longer updated) More details: 130-135 °C Merck Millipore 4797, 845002: 131-134 °C Merck Millipore 1870, 800380: 131.85 °C Jean-Claude Bradley Open Melting Point Dataset 28224, 28225: 138 °C Jean-Claude Bradley Open Melting Point Dataset 28224, 28225 Type: legal entity composition of the substance State Form: solid: particulate/powder. IUPAC Name: Castor oil, polymer with maleic anhydride. EMBL-EBI, Wellcome Genome Campus, Hinxton, Cambridgeshire, CB10 Please sign in to view account pricing and product availability. Malic acid has been used in trials studying the treatment of Xerostomia, Depression, and Hypertension. Maleic acid is the cis isomer of butenedioic acid, whereas fumaric acid is the trans isomer. See: 2-(ω-methylthio)alkylmaleic acid Maleic acid or cis-butenedioic acid is an organic compound that is a dicarboxylic acid, a molecule with two carboxyl groups. Help. EC number: 203-742-5 | CAS number: 110-16-7. 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. This information has not been reviewed or verified by the Agency or any other authority. ... Malic acid (HMDB0000156) MS-MS Spectrum 240 - Malic acid (HMDB0000156) ... Chemical Name (-)-MALIC ACID: Evaluation Year: 2018: ADI: No safety concern at current levels of intake when used as … Sign In. cis-butenedioic acid (sĭs-byo͞o'tēndī`ōĭk), IUPAC name for maleic acid; see fumaric acid fumaric acid or trans-butenedioic acid, HO 2 CCH=CHCO 2 H, unsaturated dicarboxylic acid that melts at 287°C;. ... IUPAC Name 2-hydroxybutanedioic acid Synonyms ... Malic acid KEGG … Biology Laboratory | Terms of use, A molecular entity capable of donating a hydron to an acceptor (Br. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner. Reference substance name: Maleic acid EC Number: 203-742-5 EC Name: Maleic acid CAS Number: 110-16-7 Molecular formula: C4H4O4 IUPAC Name: but-2-enedioic acid. Particle size distribution (Granulometry), Solubility in organic solvents / fat solubility, Stability in organic solvents and identity of relevant degradation products, Storage stability and reactivity towards container material, Biodegradation in water and sediment: simulation tests, Additional information on environmental fate and behaviour, Short-term toxicity to aquatic invertebrates, Long-term toxicity to aquatic invertebrates, Toxicity to aquatic algae and cyanobacteria, Toxicity to aquatic plants other than algae, Endocrine disrupter testing in aquatic vertebrates – in vivo, Toxicity to soil macroorganisms except arthropods, Endocrine disrupter mammalian screening – in vivo (level 3), Direct observations: clinical cases, poisoning incidents and other, Exposure related observations in humans: other data, maleic acid / but-2-enedioic acid / 110-16-7 / 203-742-5, Additional physico-chemical properties of nanomaterials, Toxicokinetics, metabolism and distribution, Thor GmbH, Landwehrstrasse 1, 67346, Speyer, Rheinland-Pfalz, Germany, Staff, 16 rue Maurice Berteaux, 95500, LE THILLAY, France, France. Antoine Lavoisier in 1787 proposed the name acide malique, which is derived from the Latin word for apple, mālum—as is its genus name Malus. References Synthesis Reference. This entity has been manually annotated by the ChEBI Team. Benvenuti al sito dell'ECHA. Malonic acid (IUPAC systematic name: propanedioic acid) is a dicarboxylic acid with structure CH 2 (COOH) 2.The ionized form of malonic acid, as well as its esters and salts, are known as malonates.For example, diethyl malonate is malonic acid's diethyl ester.The name originates from the Greek word μᾶλον (malon) meaning 'apple'. 1SD, UK     +44 (0)1223 49 44 44, Copyright © EMBL-EBI 2018 | EBI is an outstation of the European Molecular The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). Stars This entity has been manually annotated by the ChEBI Team. Constituent 10. The physical properties of maleic acid are very different from that of fumaric acid. Any eukaryotic metabolite produced during a metabolic reaction in algae including unicellular organisms like chlorella and diatoms to multicellular organisms like giant kelps and brown algae. Maleic acid dibutyl ester is a flammable, hard to ignite, oily, colorless to yellowish liquid with a characteristic odor, which has very low solubility in water. Constituent 1. Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice. U.S. Patent US4589995, issued August, 1933. Source: BioModels - MODEL1507180067 Maleic acid dibutyl ester is a chemical compound in the group of carboxylic acid esters. fumaric acid . For the case of maleic acid, the IUPAC name listed in Wikipedia is 2Z- But-2-enedioic acid, which again makes sense considering its “zusammen” double bond conformation, the alkene functionality at carbon number 2, and the two carboxylic acid functionalities attached to … Maleic acid is the cis-isomer of butenedioic acid, whereas fumaric acid is the trans-isomer. Don't have a profile?Register Questo sito web si avvale di cookie affinché possiate usufruire della migliore esperienza sui nostri siti web. CAS=617-48-1, Molecular Formula=C4H6O5, Molecular Weight (g/mol)=134.09, InChI Key=BJEPYKJPYRNKOW-UHFFFAOYNA-N, IUPAC Name=2-hydroxybutanedioic acid, SMILES=OC (CC (O)=O)C (O)=O. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. [Na] It is mainly used as a precursor to fumaric acid, and relative to its parent maleic anhydride, maleic acid has few applications. Click the link for more information.. 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