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: 2024-11-04 20:04:50
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
New Products
4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Mefenamic Acid IP/BP/EP/USP Diclofenac Sodium IP/BP/EP/USP Ornidazole IP Diclofenac Potassium SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acidRelated products of tetrahydrofuran
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