Fumaric acid

CAS Registry Number®

110-17-8
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CAS Name

Fumaric acid

Molecular Formula

C4H4O4

Molecular Mass

116.07

Cite this Page

Fumaric acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=110-17-8 (retrieved 2024-03-28) (CAS RN: 110-17-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    522 °C
  • Melting Point (2)

    200 °C (sublm)
  • Density (3)

    1.635 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
  • (2) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
  • (3) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+

InChIKey

InChIKey=VZCYOOQTPOCHFL-OWOJBTEDSA-N

SMILES

C(=C/C(O)=O)\C(O)=O

Canonical SMILES

O=C(O)C=CC(=O)O

Other Names for this Substance

  • 2-Butenedioic acid (2E)-
  • Fumaric acid
  • 2-Butenedioic acid (E)-
  • (2E)-2-Butenedioic acid
  • Allomaleic acid

Deleted or Replaced CAS Registry Numbers

623158-97-4, 909873-99-0

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