3,5-Dimethyl-1,2-cyclopentanedione
- CAS NO.：13494-07-0
- Empirical Formula: C7H10O2
- Molecular Weight: 126.15
- MDL number: MFCD00143076
- EINECS: 236-811-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 3,5-Dimethyl-1,2-cyclopentanedione?
Chemical properties
white to pale yellow crystalline powder
Occurrence
Reported found as a volatile constituent in coffee aroma and cooked pork.
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
Properties of 3,5-Dimethyl-1,2-cyclopentanedione
| Melting point: | 87-95 °C(lit.) |
| Boiling point: | 187.4±9.0 °C(Predicted) |
| Density | 1.036±0.06 g/cm3(Predicted) |
| FEMA | 3269 | 3,5-DIMETHYL-1,2-CYCLOPENTADIONE |
| Odor | at 1.00 % in propylene glycol. caramellic burnt sugar brown maple toffee molasses whiskey nutty coffee |
| JECFA Number | 421 |
| 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) |
Safety information for 3,5-Dimethyl-1,2-cyclopentanedione
Computed Descriptors for 3,5-Dimethyl-1,2-cyclopentanedione
3,5-Dimethyl-1,2-cyclopentanedione manufacturer
Merck Life Science Private Limited
Mumbai
product: 3,5-Dimethyl-1,2-Cyclopentadione, CAS Number: 13494-07-0
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