Mesaconic acid

Mesaconic acid
Names
Preferred IUPAC name
(2E)-2-Methylbut-2-enedioic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.007.146
EC Number
  • 207-859-2
KEGG
UNII
  • InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2+ N
    Key: HNEGQIOMVPPMNR-NSCUHMNNSA-N N
  • InChI=1/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2+
    Key: HNEGQIOMVPPMNR-NSCUHMNNBN
  • OC(/C(C)=C/C(O)=O)=O
Properties
C5H6O4
Molar mass 130.10 g/mol
Density 1.31 g/cm3
Melting point 204 to 205 °C (399 to 401 °F; 477 to 478 K)
Boiling point 250 °C (482 °F; 523 K) (decomposes)
Hazards
GHS labelling:
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Mesaconic acid is one of several isomeric carboxylic acids obtained from citric acid. It is a colorless solid.

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