2-Hydroxy-3-methyl-2-cyclopenten-1-one

2-Hydroxy-3-methyl-2-cyclopenten-1-one
Names
Preferred IUPAC name
3-Methylcyclopentane-1,2-dione
Other names
Maple lactone, Methylcyclopentenolone, Corylon
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.001.186
EC Number
  • 212-154-8
UNII
  • InChI=1S/C6H8O2/c1-4-2-3-5(7)6(4)8/h4H,2-3H2,1H3 Y
    Key: OACYKCIZDVVNJL-UHFFFAOYSA-N Y
  • CC1C(=O)C(=O)CC1
Properties
C6H8O2
Molar mass 112.128 g·mol−1
Density 1.312 g/cm3
Melting point 104–108 °C (219–226 °F; 377–381 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

2-Hydroxy-3-methyl-2-cyclopenten-1-one is an organic compound related to 1,2-cyclopentanedione. It is the enol tautomer of the diketone 3-methylcyclopentane-1,2-dione. Being an enol, the compound is often called methylcyclopentenolone. It is a colorless solid.

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