3,5-Dimethyl-1,2-cyclopentanedione CAS#: 13494-07-0

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3,5-Dimethyl-1,2-cyclopentanedione

Basic information Safety Supplier Related

3,5-Dimethyl-1,2-cyclopentanedione Basic information

Product Name:

3,5-Dimethyl-1,2-cyclopentanedione

Synonyms:

2-Cyclopentanedione,3,5-dimethyl-1
3,5-dimethyl-2-cyclopentanedione
CORONOL
FEMA 3269
3,5-DIMETHYL-2-HYDROXY-2-CYCLOPENTENYL-1-ONE
3,5-DIMETHYL-1,2-CYCLOPENTADIONE
3,5-DIMETHYL-1,2-CYCLOPENTANEDIONE
3,5-dimethylcyclopentane-1,2-dione

CAS:

13494-07-0

MF:

C7H10O2

MW:

126.15

EINECS:

236-811-3

Product Categories:

Alphabetical Listings
C-D
Flavors and Fragrances

Mol File:

13494-07-0.mol

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3,5-Dimethyl-1,2-cyclopentanedione Chemical Properties

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
Odor Type: caramellic
JECFA Number: 421
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)

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Safety Information

WGK Germany: 3

MSDS

Language:English Provider:SigmaAldrich
Language:English Provider:ACROS

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3,5-Dimethyl-1,2-cyclopentanedione Usage And Synthesis

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

3,5-Dimethyl-1,2-cyclopentanedioneSupplier

China Research Pharmaceutical Technology (Tianjin) Co., Ltd Gold

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Shijiazhuang Lida Chemical Co., Ltd.

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