3,4-Dimethyl-1,2-Cyclopentanedione
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3,4-Dimethyl-1,2-Cyclopentanedione

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

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Product Description

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


Safety Statements 

24/25

WGK Germany 

3

HS Code 

29142990


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.

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