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Substance Name: Dimethyl maleate
RN: 624-48-6
UNII: K39366X5N0

Classification Code

  • Skin / Eye Irritant

Molecular Formula

  • C6-H8-O4

Molecular Weight

  • 144.125
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Names and Synonyms

Results Name

  • Dimethyl maleate

Name of Substance

  • 2-Butenedioic acid, dimethyl ester
  • Dimethyl 2-butenedioate
  • Dimethyl maleate


  • 2-Butenedioic acid, dimethyl ester, (Z)-
  • 4-02-00-02204 (Beilstein Handbook Reference)
  • AI3-07869
  • BRN 0471705
  • Dimethyl cis-butenedioate
  • Dimethyl cis-ethylenedicarboxylate
  • Dimethyl maleate
  • Dimethylester kyseliny maleinove
  • Dimethylester kyseliny maleinove [Czech]
  • EC 210-848-5
  • EINECS 210-848-5
  • Maleic acid, dimethyl ester
  • Methyl maleate
  • NSC 5161
  • Sipomer DMM
  • UNII-K39366X5N0

Systematic Names

  • 2-Butenedioic acid (2Z)-, 1,4-dimethyl ester
  • 2-Butenedioic acid (2Z)-, dimethyl ester
  • 2-Butenedioic acid (Z)-, dimethyl ester
  • 2-Butenedioic acid, dimethyl ester, (Z)-
  • Dimethyl maleate
  • Maleic acid, dimethyl ester (8CI)

Registry Numbers

CAS Registry Number

  • 624-48-6


  • K39366X5N0

System Generated Number

  • 0000624486

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC inhalation > 1500mg/m3/10 (1500mg/m3)   National Defense Research Committee, Office of Scientific Research and Development, Progress Report.Vol. NDCrc-132, Pg. Aug, 1942.
rabbit LD50 skin 530uL/kg (0.53mL/kg)   American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.
rat LD50 oral 1410mg/kg (1410mg/kg)   American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -1.90E+01 deg C   EXP
Boiling Point 202 deg C   EXP
log P (octanol-water) 0.22 (none)   EXP
Water Solubility 8.00E+04 mg/L 25 EXP
Vapor Pressure 0.3 mm Hg 25 EXP
Henry's Law Constant 7.11E-07 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 7.34E-12 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.