| Identification | More | [Name]
3,4-Dimethyl-1,2-cyclopentanedione | [CAS]
13494-06-9 | [Synonyms]
3,4-DIMETHYL-1,2-CYCLOPENTADIONE
3,4-DIMETHYL-1,2-CYCLOPENTANEDIONE
3,4-DIMETHYL-2-HYDROXY-2-CYCLOPENTENYL-1-ONE
FEMA 3268
METHYL CORYLONE
2-Cyclopentanedione,3,4-dimethyl-1
3,4-dimethyl-2-cyclopentanedione
3,4-dimethylcyclopentane-1,2-dione
2-hydroxy-3,4-dimethylcyclopent-2-en-1-one
3 4-DIMETHYL-1 2-CYCLOPENTADIONE 97+%
hydroxydimethylcyclopentenone,2-hydroxy-3,4-dimethyl-2-cyclopenten-1-one
1,2-Cyclopentanedione, 3,4-dimethyl-
2-HYDROXY-3,4-DIMETHYL-2-CYCLOPENTEN-1-ONE
2-hydroxy-3,4-dimethyl-2-cyclopenten-1-on
3,4-DIMETHYL-1,2-CYCLOPENTANEDIONE 97% | [EINECS(EC#)]
236-810-8 | [Molecular Formula]
C7H10O2 | [MDL Number]
MFCD00143063 | [Molecular Weight]
126.15 | [MOL File]
13494-06-9.mol |
| Chemical Properties | Back Directory | [Appearance]
slightly yellow to light beige crystalline powder | [Melting point ]
68-72 °C(lit.) | [Boiling point ]
194.28°C (rough estimate) | [density ]
1.0579 (rough estimate) | [FEMA ]
3268 | [refractive index ]
1.4690 (estimate) | [storage temp. ]
0-6°C | [solubility ]
Chloroform (Soluble), Methanol (Slightly) | [form ]
Crystalline Powder | [color ]
Slightly yellow to light beige | [Odor]
at 1.00 % in dipropylene glycol. sweet maple caramel sugar fenugreek licorice | [biological source]
synthetic | [Odor Type]
caramellic | [Water Solubility ]
slightly soluble | [JECFA Number]
420 | [LogP]
0.53 | [CAS DataBase Reference]
13494-06-9(CAS DataBase Reference) | [NIST Chemistry Reference]
1,2-Cyclopentanedione, 3,4-dimethyl-(13494-06-9) | [EPA Substance Registry System]
13494-06-9(EPA Substance) |
| Hazard Information | Back Directory | [Chemical Properties]
slightly yellow to light beige crystalline powder | [Occurrence]
Reported found as a constituent in coffee. | [Uses]
3,4-Dimethyl-1,2-cyclopentanedione is a useful protective agent for food products. | [Preparation]
By alkylation of 3,5-dicarbetoxy-4-methyl-cyclopentane-1,2-dione followed by hydrolysis and decarboxylation of the
resulting 3,5-dicarbetoxy-3,4-dimethyl-cyclopentane-1,2-di-one | [Aroma threshold values]
Detection: 17 to 20 ppb | [Taste threshold values]
Taste characteristics at 10 ppm: brown, sweet, sugary, maple and caramellic. |
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