Identification

Nameethyl cyclopentenolone
IUPAC3-ethyl-2-hydroxycyclopent-2-en-1-one
CAS Number21835-01-8
EINECS244-606-5
FDA UNIIXH8EA788C9
Molecular FormulaC7 H10 O2
Molecular Weight126.15510000
MDL NumberMFCD00012391
Nikkaji NumberJ225.452B
CoE Number759

Regulatory

JECFA Food Flavoring419 ethylcyclo-pentenolone
DG SANTE Food Flavourings07.057 3-ethylcyclopentan-1,2-dione
FEMA Number3152
FDANo longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF)21835-01-8 ; 3-ETHYL-2-HYDROXY-2-CYCLOPENTEN-1-ONE

Physical Properties

Appearance pale brown powder (est)
Assay 90.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 1.06700 @ 25.00 °C.
Refractive Index 1.47600 @ 20.00 °C.
Melting Point 36.00 to 43.00 °C. @ 760.00 mm Hg
Boiling Point 78.00 to 80.00 °C. @ 4.00 mm Hg, 65.00 to 68.00 °C. @ 1.00 mm Hg
Vapor Pressure 0.002000 mmHg @ 25.00 °C. (est)
Flash Point 212.00 °F. TCC ( 100.00 °C. )
logP (o/w) 0.080 (est)
Shelf Life 12.00 month(s) or longer if stored properly.
Storage refrigerate in tightly sealed containers.
Soluble in alcohol
Insoluble in water

Organoleptic Properties

Odor Strength high ,
Substantivity 92 hour(s) at 20.00 % in dipropylene glycol
Odor Description
at 1.00 % in propylene glycol.
at 0.50 %.
Odor sample from Pure Synthetics, Inc.
Taste Description
at 12.00 ppm.
Powerful caramelic, walnut, coffee and toasted bread notes

Safety Information

Preferred SDSView
European informationMost important hazard(s):
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryflavor and fragrance agents
RIFM Fragrance Material Safety AssessmentSearch
Recommendation for ethyl cyclopentenolone usage levels up to0.3000 % 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 ClassII
baked goods-
beverages(nonalcoholic)-
beverages(alcoholic)-
breakfast cereal-
cheese-
chewing gum-
condiments / relishes-
confectionery froastings-
egg products-
fats / oils-
fish products-
frozen dairy-
fruit ices-
gelatins / puddings-
granulated sugar-
gravies-
hard candy-
imitation dairy-
instant coffee / tea-
jams / jellies-
meat products-
milk products-
nut products-
other grains-
poultry-
processed fruits-
processed vegetables-
reconstituted vegetables-
seasonings / flavors-
snack foods-
soft candy-
soups-
sugar substitutes-
sweet sauces-

Beijing Lys Chemicals Co, LTD.

From Grams to Tons

Fine chemical high-tech company which contains R&D, production, and sales.

View All Website 86-10-68418738 jiayanyong@lyschem.com

BOC Sciences

Best of Chemicals Supplier

Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecul...

View All Website 1-631-485-4226 account@bocsci.com

Firmenich Inc.

We Create

We create perfumes and flavors for the World's most desirable brands.

View All Website +1 609 452 1000 Frederick.Keifer@firmenich.com

Global Essence Inc.

Preferred Partner

Accommodate each customers unique needs.

View All Website 001 732 677 1100 info@globalessenceuk.com

H. Interdonati, Inc.

Innovative products

Because your flavors and fragrances are only as good as their source "Since 1952"

View All Website 800 367-6617 flavorplus@hinterdonati.com

Indukern, S.A. F&F Ingredients Division

Commitment to quality

Idukern F&F Ingredients is your partner for the fragrance and flavor ingredients.

View All Website +34 93 506 91 00 info@indukern.es

Jiangyin Healthway International Trade Co., Ltd

Independent Ingredients Supplier

We provide custom synthesis and contract manufacturing from milligrams to metric tonnes.

View All Website 86-510-86023169 info@healthwaychem.com

Lluch Essence S.L.

A family company dedicated to sales and distribution

Flexibility, availability, price and quality.

View All Website 34 93 379 38 49 web@lluche.com

M&U International LLC

Steady supply & demand

Meeting customers increasing demands at home as well as abroad.

View All Website 908-359-9000 sales@mu-intel.com

Penta International Corporation

Chemistry innovation

At Penta, our products and services help businesses do business better.

View All Website (973) 740-2300 lisaa@pentamfg.com

Sigma-Aldrich

Complete Supply Chain

The perfect blend of products and services that bring your creativity to life.

View All Website 800-244-1173 ff@sial.com

SRS Aromatics Ltd

For over 25 years

Bringing flavour and fragrance into your world.

View All Website +44 (0) 1284 704076 info@srsaromatics.co.uk

Sunaux International

Buy With Confidence

We have industry leading processes and procedures to ensure nothing but the most reliable product.

View All Website 0512-57995626 johnjft@sunaux.com

Synerzine, Inc.

Innovation. Customization. Aroma Ingredients.

Synerzine is a leading supplier of flavor and fragrance ingredients.

View All Website (404) 524-6744 info@synerzine.com

TCI AMERICA

Moving Your Chemistry Forward

We continuously strive to advance our technology.

View All Website 1-800-423-8616 Sales-US@TCIchemicals.com;

Tianjin Danjun International Trade Co., LTD.

Quality Products

We know the Chinese chemical market well.

View All Website +86-15822601686 songshasha@danjunchem.com

R C Treatt and Co Ltd

Innovative ingredient solutions

World-leading innovative ingredient solutions provider for the flavour, fragrance and FMCG industries.

View All Website +1 863 668 9500 enquiries@treatt.com

Qingdao Free Trade Zone United International Co Ltd

Quality Products

A partner in your supply chain solution.

View All Website +86-532-83893699 info@unitedint.com

Ernesto Ventós S.A.

Leaders in essence

We employ our five senses to do our job well.

View All Website +1 856 226 7501 info@ventos.com

Vigon International

Passion for Simplicity

Manufacturer and supplier of high quality flavor and fragrance ingredients.

View All Website 570-476-6300 sales@vigon.com

WholeChem, LLC

Connecting Innovators To the Building Blocks Of the Universe

Custom manufacturer and distributor of specialty ingredients. We make global local.

View All Website +1 (262) 995.8668 info@wholechem.com

Potential Uses

FL bread FL caramel FR coconut FR coffee FR cotton candy fruit dried fruit FR malt FR maple FL molasses FL yeast

Natural Occurrence

coffee PMC pork PMC tobacco

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 US Patents: 4,892,966 - Acetoacetic acid ester derivatives for the manufacture of .alpha.-hydroxycarbonyl compounds