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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.
Maleic acid. Formula: C 4 H 4 O 4. Molecular weight: 116.0722. IUPAC Standard InChI: InChI=1S/C4H4O4/c5-3 (6)1-2-4 (7)8/h1-2H, (H,5,6) (H,7,8)/b2-1- IUPAC Standard InChIKey: VZCYOOQTPOCHFL-UPHRSURJSA-N. CAS Registry Number: 110-16-7. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file.
Maleic acid or cis-butenedioic acid is an organic compound that is a dicarboxylic acid, a molecule with two carboxyl groups. 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.
Molecular Weight: The molecular weight of maleic acid is 116.07 g/mol. pKa Values: Maleic acid is known for its two pKa values, the first one being 1.91 and the second one at 6.39. Stability: It is not particularly stable and readily converts to fumaric acid upon heating.
The maleic acid molecule consists of 4 Hydrogen atom(s), 4 Carbon atom(s), and 4 Oxygen atom(s) - a total of 12 atom(s). The molecular weight of maleic acid is determined by the sum of the atomic weights of each constituent element multiplied by the number of atoms, which is calculated to be: $$ 116.07216 · \frac{g}{mol} $$
ChemSpider record containing structure, synonyms, properties, vendors and database links for Maleic acid, 110-16-7.
Maleic acid is an industrial raw material for the production of glyoxylic acid by ozonolysis. Maleic acid is converted into maleic anhydride by dehydration, to malic acid by hydration, and to succinic acid by hydrogenation (ethanol / Palladium on carbon) .
