ChemicalBook >> CAS DataBase List >>3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one

3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one

CAS No.
13494-06-9
Chemical Name:
3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one
Synonyms
3,4-DIMETHYL-1,2-CYCLOPENTADIONE;METHYL CORYLONE;3,4-DIMETHYL-1,2-CYCLOPENTANEDIONE;FEMA 3268;3,4-dimethylcyclopentane-1,2-dione;UNII:50AIF51OCI;DiMethyl-1,2-cyclopenta;3,4-diMethyl-1,2-cyclopenadione;3,4-dimethyl-2-cyclopentanedione;2-Cyclopentanedione,3,4-dimethyl-1
CBNumber:
CB5412341
Molecular Formula:
C7H10O2
Molecular Weight:
126.15
MDL Number:
MFCD00143063
MOL File:
13494-06-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 03:44:49
Product description Number Pack Size Price
3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG W326801 1 each $65.7
3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG W326801 25g $149
3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG W326801 100g $419
3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG W326801 1kg $2570
3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG W326801 1 unit $53.39
More product size

3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one Properties

Melting point 68-72 °C(lit.)
Boiling point 194.28°C (rough estimate)
Density 1.0579 (rough estimate)
refractive index 1.4690 (estimate)
FEMA 3268 | 3,4-DIMETHYL-1,2-CYCLOPENTADIONE
FLAVIS Number 07.075 | 3,4-Dimethylcyclopentan-1,2-dione
storage temp. Inert atmosphere,2-8°C
solubility Chloroform (Soluble), Methanol (Slightly)
form Crystalline Powder
color Slightly yellow to light beige
Odor at 1.00 % in dipropylene glycol. sweet maple caramel sugar fenugreek licorice
Odor Type caramellic
biological source synthetic
Water Solubility slightly soluble
JECFA Number 420
Major Application flavors and fragrances
Cosmetics Ingredients Functions PERFUMING
InChI 1S/C7H10O2/c1-4-3-6(8)7(9)5(4)2/h4-5H,3H2,1-2H3
InChIKey WGAVDEVFJDQIMZ-UHFFFAOYSA-N
SMILES CC1CC(=O)C(=O)C1C
LogP 0.53
CAS DataBase Reference 13494-06-9(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 3,4-DIMETHYL-1,2-CYCLOPENTADIONE
EWG's Food Scores 1
FDA UNII 50AIF51OCI
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)
UNSPSC Code 12164502
NACRES NA.21

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  24/25
WGK Germany  3
TSCA  TSCA listed
HS Code  29142990
Storage Class 11 - Combustible Solids
NFPA 704
0
1 0

3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one price More Price(62)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W326801 3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG 13494-06-9 1 each $65.7 2026-04-30 Buy
Sigma-Aldrich W326801 3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG 13494-06-9 25g $149 2026-04-30 Buy
Sigma-Aldrich W326801 3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG 13494-06-9 100g $419 2026-04-30 Buy
Sigma-Aldrich W326801 3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG 13494-06-9 1kg $2570 2026-04-30 Buy
Sigma-Aldrich W326801 3,4-Dimethyl-1,2-cyclopentadione ≥97%, FG 13494-06-9 1 unit $53.39 2025-07-31 Buy
Product number Packaging Price Buy
W326801 1 each $65.7 Buy
W326801 25g $149 Buy
W326801 100g $419 Buy
W326801 1kg $2570 Buy
W326801 1 unit $53.39 Buy

3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one Chemical Properties,Uses,Production

Chemical Properties

slightly yellow to light beige crystalline powder

Occurrence

Reported found as a constituent in coffee.

Uses

3,4-Dimethyl-1,2-cyclopentanedione is a useful protective agent for food products.

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.

3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 235)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Chuanghai Biotechnology Co., Ltd
+8615350571055 Sibel@chuanghaibio.com China 8738 58
Hebei Zhuanglai Chemical Trading Co.,Ltd
+8613343047651 admin@zlchemi.com China 3692 58
JINING XINHE CHEMICAL CO., LTD
+8615318402391 sales@xinhepharma.com China 809 58
Shanghai Daken Advanced Materials Co.,Ltd
+86-2158073036 info@dakenam.com China 14026 58
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29812 58
Xiamen AmoyChem Co., Ltd
+86-86-5926051114 +8615060885618 sales@amoychem.com China 6366 58
BOC Sciences
+1-631-485-4226 inquiry@bocsci.com United States 19936 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49979 58
SIMAGCHEM CORP
+86-5922680277 +86-13806087780 sale@simagchem.com China 17346 58
Hebei Miaobian Biotechnology Co., Ltd
+8617733850068 CHINA 967 58

View Lastest Price from 3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one pictures 2026-06-30 3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one
13494-06-9
1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
3,4-Dimethyl-1,2-cyclopentanedione pictures 2026-03-20 3,4-Dimethyl-1,2-cyclopentanedione
13494-06-9
$10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
3, 4-Dimethyl-1, 2-Cyclopentanedione pictures 2025-04-15 3, 4-Dimethyl-1, 2-Cyclopentanedione
13494-06-9
$35.00-85.00 1kg 99% 20ton Hebei Zhuanglai Chemical Trading Co.,Ltd
2-Cyclopentanedione,3,4-dimethyl-1 3,4-dimethyl-2-cyclopentanedione 3,4-DIMETHYL-1,2-CYCLOPENTANEDIONE 97% 2-hydroxy-3,4-dimethylcyclopent-2-en-1-one 3 4-DIMETHYL-1 2-CYCLOPENTADIONE 97+% hydroxydimethylcyclopentenone,2-hydroxy-3,4-dimethyl-2-cyclopenten-1-one 1,2-Cyclopentanedione, 3,4-dimethyl- 2-HYDROXY-3,4-DIMETHYL-2-CYCLOPENTEN-1-ONE
2-hydroxy-3,4-dimethyl-2-cyclopenten-1-on 3,4-DIMETHYL-2-HYDROXY-2-CYCLOPENTENYL-1-ONE 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 3,4-Dimethyl-1,2-cyclopentanedione> Chemicalbook:3,4-Dimethyl-1,2-cyclopentanedione 3,4-Dimethyl-1,2-cyclopentanedione USP/EP/BP 3,4-dimethyl 2-hydroxy-2-cyclopenten-1-one UNII:50AIF51OCI 3,4-Dimethyl-1,2-cyclopentadione 10% 3,4-dimethylcyclopentane-1,2-dione 3,4-DIMETHYL-1,2-CYCLOPENTADIONE 3,4-DIMETHYL-1,2-CYCLOPENTANEDIONE FEMA 3268 METHYL CORYLONE 13494-06-9 3494-06-9 Alphabetical Listings C-D Flavors and Fragrances API intermediates