| Identification | Back Directory | [Name]
3,5-Dimethyl-1,2-cyclopentanedione | [CAS]
13494-07-0 | [Synonyms]
CORONOL
FEMA 3269
3,5-dimethyl-2-cyclopentanedione
3,5-DIMETHYL-1,2-CYCLOPENTADIONE
3,5-DIMETHYL-1,2-CYCLOPENTANEDIONE
3,5-dimethylcyclopentane-1,2-dione
2-Cyclopentanedione,3,5-dimethyl-1
1,2-Cyclopentanedione, 3,5-dimethyl-
3,5-Dimethyl-1,2-cyclopentanedione,97%
3 5-DIMETHYL-1 2-CYCLOPENTADIONE 97+%
FEMA 3269,
3,5-DIMETHYL-1,2-CYCLOPENTADIONE
3,5-DIMETHYL-2-HYDROXY-2-CYCLOPENTENYL-1-ONE | [EINECS(EC#)]
236-811-3 | [Molecular Formula]
C7H10O2 | [MDL Number]
MFCD00143076 | [MOL File]
13494-07-0.mol | [Molecular Weight]
126.15 |
| Chemical Properties | Back Directory | [Appearance]
white to pale yellow crystalline powder | [Melting point ]
87-95 °C(lit.)
| [Boiling point ]
187.4±9.0 °C(Predicted) | [density ]
1.036±0.06 g/cm3(Predicted) | [FEMA ]
3269 | [storage temp. ]
2-8°C | [Odor]
at 1.00 % in propylene glycol. caramellic burnt sugar brown maple toffee molasses whiskey nutty coffee | [biological source]
synthetic | [Odor Type]
caramellic | [JECFA Number]
421 | [Major Application]
flavors and fragrances | [InChI]
InChI=1S/C7H10O2/c1-4-3-5(2)7(9)6(4)8/h4-5H,3H2,1-2H3 | [InChIKey]
MIDXCONKKJTLDX-UHFFFAOYSA-N | [SMILES]
C1(=O)C(C)CC(C)C1=O | [LogP]
0.53 | [NIST Chemistry Reference]
1,2-Cyclopentanedione, 3,5-dimethyl-(13494-07-0) | [EPA Substance Registry System]
1,2-Cyclopentanedione, 3,5-dimethyl-(13494-07-0) |
| Hazard Information | Back Directory | [Chemical Properties]
white to pale yellow crystalline powder | [Occurrence]
Reported found as a volatile constituent in coffee aroma and cooked pork. | [Uses]
flavors and fragrances | [Preparation]
By direct alkylation of the methyl ester of the commercially available 3-methylcyclo-pent-2-en-2-ol-1-one, followed by
the cleavage of the ether function. | [Aroma threshold values]
Detection: 1 ppm | [Taste threshold values]
Taste characteristics at 10 ppm: brown, sweet, sugary, maple, caramellic |
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