3,4-Dimethyl-1,2-Cyclopentanedione

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Product Description

3,4-Dimethyl-1,2-cyclopentanedione 's cas code is 13494-06-9.

3,4-Dimethyl-1,2-cyclopentanedione Basic information

Product Name:	3,4-Dimethyl-1,2-cyclopentanedione
Synonyms:	3,4-Dimethyl-1,2-cyclopentanedione,97%;DiMethyl-1,2-cyclopenta;3,4-diMethyl-1,2-cyclopenadione;3,4-DiMethyl cyclopentenolone Min 97%;2-Hydroxy-3,4–dimethyl-2-cyclopenten-1-on 3,4-Dimethylcyclo-pentane-1,2-dione;2-Cyclopentanedione,3,4-dimethyl-1;3,4-dimethyl-2-cyclopentanedione;FEMA 3268
CAS:	13494-06-9
MF:	C7H10O2
MW:	126.15
EINECS:	236-810-8
Product Categories:	Alphabetical Listings;C-D;Flavors and Fragrances;API intermediates
Mol File:	13494-06-9.mol

3,4-Dimethyl-1,2-cyclopentanedione Chemical Properties

Melting point	68-72 °C(lit.)
Boiling point	194.28°C (rough estimate)
density	1.0579 (rough estimate)
FEMA	3268 \| 3,4-DIMETHYL-1,2-CYCLOPENTADIONE
refractive index	1.4690 (estimate)
storage temp.	0-6°C
form	Crystalline Powder
color	Slightly yellow to light beige
Water Solubility	slightly soluble
JECFA Number	420
CAS DataBase Reference	13494-06-9(CAS DataBase Reference)
NIST Chemistry Reference	1,2-Cyclopentanedione, 3,4-dimethyl-(13494-06-9)
EPA Substance Registry System	1,2-Cyclopentanedione, 3,4-dimethyl- (13494-06-9)

3,4-Dimethyl-1,2-cyclopentanedione Safety Information

3,4-Dimethyl-1,2-cyclopentanedione Usage And Synthesis

Chemical Properties	slightly yellow to light beige crystalline powder
Preparation	By alkylation of 3,5-dicarbetoxy-4-methyl-cyclopentane-1,2-dione followed by hydrolysis and decarboxylation of the resulting 3,5-dicarbetoxy-3,4-dimethyl-cyclopentane-1,2-di-one
Aroma threshold values	Detection: 17 to 20 ppb
Taste threshold values	Taste characteristics at 10 ppm: brown, sweet, sugary, maple and caramellic.