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    General Material Information
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ethyl cyclopentenolone

Chemical Structure

General Material Information

Preferred name ethyl cyclopentenolone
Trivial Name 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
Short Description ethylcyclopentenolone
Formula C7 H10 O2
CAS Number 21835-01-8
FEMA Number 3152
Flavis Number 7.057
ECHA Number 244-606-5
FDA UNII XH8EA788C9
Nikkaji Number J225.452B
MDL MFCD00012391
COE Number 759
xLogP3-AA 0.70 (est)
NMR Predictor External link
JECFA Food Flavoring 419 ethylcyclo-pentenolone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 21835-01-8 ; 3-ETHYL-2-HYDROXY-2-CYCLOPENTEN-1-ONE
Synonyms
  • coffee pentenolone
  • cyclopent-2-en-1-one, 3-ethyl-2-hydroxy-
  • 2-cyclopenten-1-one, 3-ethyl-2-hydroxy-
  • ECP 50% PG
  • ECP powder
  • ethyl cyclo pentenolene 50% in PG
  • 3-ethyl cyclopentan-1,2-dione
  • ethyl cyclopentenolone 50% PG
  • ethyl cyclopentenolone in 50% P.G.
  • ethyl cyclopentenolone pure
  • ethyl cyclotene
  • 3-ethyl-2-cyclopenten-2-ol-1-one
  • 3-ethyl-2-hydroxy-2-cyc1openten-1-one 50% in P.G.
  • 3-ethyl-2-hydroxy-2-cyclopenten-1-one
  • 3-ethyl-2-hydroxycyclopent-2-en-1-one
  • ethylcyclo-pentenolone
  • 3-ethylcyclopentan-1,2-dione
  • ethylcyclopentenolone
  • 2-hydroxy-3-ethyl-2-cyclopenten-1-one
  • 2-hydroxy-3-ethyl-2-cyclopentene-1-one
  • 3-ethyl-2-hydroxycyclopent-2-en-1-one
  • 2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-
  • 3-Ethyl-2-hydroxy-2-cyclopenten-1-one
  • Ethylcyclotene
  • 3-Ethyl-2-cyclopenten-2-ol-1-one
  • 2-Hydroxy-3-ethyl-2-cyclopentenone
  • 2-Hydroxy-3-ethyl-2-cyclopenten-1-one

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

3-ethyl-2-hydroxycyclopent-2-en-1-one
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:21835-01-8
Pubchem (cid):62752
Pubchem (sid):135019318
Publications by US Patents
4,892,966 - Acetoacetic acid ester derivatives for the manufacture of .alpha.-hydroxycarbonyl compounds

Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
HMDB (The Human Metabolome Database):HMDB31223
FooDB:FDB003247
Export Tariff Code:2914.49.5000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 126.15509796143
Specific gravity @ 25 °C
Pounds per Gallon
Melting Point 36 to 43°C @ 760 mm Hg
Boiling Point 78 to 80°C @ 4 mm Hg
Boiling Point 65 to 68°C @ 1 mm Hg
Vapor Pressure 0.002 mmHg @ 25 °C
Flash Point TCC Value 100 °C TCC
logP (o/w) 0.08 est
Shelf life 12 months (or longer if stored properly.)
Storage notes Refrigerate in tightly sealed containers.
Solubility
alcohol Yes
water, 2878 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Caramellic
sweet, caramellic, maple, fenugreek, brown, sugar brown sugar, rummy, whiskey
Odor strength high , recommend smelling in a 1.00 % solution or less
Substantivity 92 hour(s) at 20.00 % in dipropylene glycol
Luebke, William tgsc, (1996) At 1.00 % in propylene glycol. sweet caramel maple fenugreek
Mosciano, Gerard P&F 23, No. 5, 49, (1998) At 0.50 %. Sweet, brown, caramellic, maple, brown sugar, rum, whiskey, furanone
Flavor Type: Jammy
sweet, jammy, fruity, brown, toasted, maple, nutty
Mosciano, Gerard P&F 23, No. 5, 49, (1998) At 12.00 ppm. Sweet, jammy, fruity, brown, toasted, maple, nutty
ECP POWDER adds caramel, walnut, coffee, toasted bread profile along with interesting warm effects to coffee, vanilla, chocolate, nut, meat and red fruit flavors. Powerful caramelic, walnut, coffee and toasted bread notes

Occurrences

Potential Uses

Applications
Odor purposes Coconut, Coffee, Cotton candy, Malt, Maple
Flavoring purposes Bread, Caramel, Molasses, Yeast
Other purposes Fruit dried fruit

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 20/21 - Harmful by inhalation and in contact with skin.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for ethyl cyclopentenolone usage levels up to:
0.3000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 32.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 23.00 (μg/capita/day)
Structure Class: II
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 4. Update in publication number(s): 12
Click here to view publication 4
average usual ppmaverage maximum ppm
baked goods: -150.00000
beverages(nonalcoholic): -20.00000
beverages(alcoholic): -20.00000
breakfast cereal: -150.00000
cheese: -10.00000
chewing gum: -50.00000
condiments / relishes: -10.00000
confectionery froastings: -150.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: -200.00000
fruit ices: -10.00000
gelatins / puddings: -10.00000
granulated sugar: --
gravies: -10.00000
hard candy: -200.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: -50.00000
meat products: -10.00000
milk products: -50.00000
nut products: -100.00000
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: -150.00000
soups: -10.00000
sugar substitutes: --
sweet sauces: -200.00000

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Flavouring Group Evaluation 213: alpha,beta-Unsaturated alicyclic ketones and precursors from chemical subgroup 2.7 of FGE.19
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 213, Revision 2 (FGE.213Rev2): Consideration of genotoxic potential for a,ß-unsaturated alicyclic ketones and precursors from chemical subgroup 2.7 of FGE.19
View page or View pdf

Safety and efficacy of secondary aliphatic saturated or unsaturated alcohols, ketones, ketals and esters with a second secondary or tertiary oxygenated functional group belonging to chemical group 10 when used as flavourings for all animal species
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
EPA Substance Registry Services (TSCA):21835-01-8
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :62752
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
3-ethyl-2-hydroxycyclopent-2-en-1-one
Chemidplus:0021835018