Maleic Acid - The NIST WebBook

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Maleic acid

• Formula: C4H4O4
• 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- Copy
• IUPAC Standard InChIKey: VZCYOOQTPOCHFL-UPHRSURJSA-N Copy
• 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 View 3d structure (requires JavaScript / HTML 5)
• Stereoisomers:
  • (2E)-2-butenedioic acid
  • Fumaric Acid
• Other names: 2-Butenedioic acid (Z)-; cis-Butenedioic acid; cis-1,2-Ethylenedicarboxylic acid; Toxilic acid; (Z)-2-Butenedioic acid; Butenedioic acid,(Z)-; Maleinic acid; Malenic acid; 1,2-Ethylenedicarboxylic acid, (Z); 1,2-Ethylenedicarboxylic acid, cis-; Kyselina maleinova; (Z)-Butenedioic acid; 2-Butenedioic acid (2Z)-
• Information on this page:
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Mass spectrum (electron ionization)
• Options:
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Notes

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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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