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Substance Name: Methylmaleic anhydride
RN: 616-02-4
UNII: 105NP7PMXX
InChIKey: AYKYXWQEBUNJCN-UHFFFAOYSA-N

Classification Code

  • Skin / Eye Irritant

Molecular Formula

  • C5-H4-O3

Molecular Weight

  • 112.0836
 
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Names and Synonyms

Name of Substance

  • Citraconic anhydride
  • Methylmaleic anhydride

Synonyms

  • 2,5-Furandione, 3-methyl-
  • 2-Methylmaleic anhydride
  • 3-Methylmaleic anhydride
  • 5-17-11-00065 (Beilstein Handbook Reference)
  • AI3-10030
  • Anhydrid kyseliny citrakonove
  • Anhydrid kyseliny citrakonove [Czech]
  • BRN 0001835
  • Citraconic acid anhydride
  • Citraconic anhydride
  • EC 210-459-0
  • EINECS 210-459-0
  • HSDB 5716
  • Maleic anhydride, methyl-
  • Methylmaleic anhydride
  • Monomethylmaleic anhydride
  • NSC 6182
  • UNII-105NP7PMXX

Systematic Names

  • 2,5-Furandione, 3-methyl-
  • Citraconic anhydride

Registry Numbers

CAS Registry Number

  • 616-02-4

FDA UNII

  • 105NP7PMXX

Other Registry Numbers

  • 1123596-56-4
  • 19595-58-5

System Generated Number

  • 0000616024

Structure Descriptors

InChI

1S/C5H4O3/c1-3-2-4(6)8-5(3)7/h2H,1H3

InChIKey

AYKYXWQEBUNJCN-UHFFFAOYSA-N

Smiles

C1(=CC(=O)OC1=O)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 skin 1mL/kg (1mL/kg)   Journal of Industrial Hygiene and Toxicology. Vol. 26, Pg. 269, 1944.
rabbit LD50 skin 218mg/kg (218mg/kg)   Shell Chemical Company.
rat LD50 oral 2600mg/kg (2600mg/kg)   Journal of Industrial Hygiene and Toxicology. Vol. 26, Pg. 269, 1944.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 7.5 deg C   EXP
Boiling Point 213.5 deg C   EXP
log P (octanol-water) 2.170 (none)   EST
Atmospheric OH Rate Constant 1.08E-11 cm3/molecule-sec 25 EST

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