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HomeProduct name list3,5-Dimethyl-1,2-cyclopentanedione

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
3,5-Dimethyl-1,2-cyclopentanedione Structural

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

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