pentanoic acid, 3-methyl-2-oxo-, ethyl ester, 26516-27-8

Supplier Sponsors

Perfecting the Art of Chemistry
Working closely with our customers to meet their requirements.
Dr. Paul Bedoukian founded the company in 1972 to fill a niche as a supplier of high quality specialty aroma molecules. Today, we offer more than 350 high impact aroma chemicals, while providing custom manufacturing services to the pharmaceutical, agrochemical, and specialty chemical industries.
US Email:	Customer Service
US Email:	Customer Service
US Voice: 1-203-830-4000
US Fax: 1-203-830-4010
Instagram
Linkedin
Recent News
Products List:	View
CODE168747 CODE168747
Product(s):
728 NUEZATE
Excellent for emphasizing walnut and hazelnut notes in gourmand types as well as enhancing woody, masculine notes in fougere formulations. Also useful for adding complexity and elegance to fine fragrance compositions. Recommended Fragrance Use Level: Traces - 1.0% Great for adding earthy notes typical of many tree nuts. Especially useful for enhancing flavors in maple and nutty applications. Recommended Flavor Use Level: 0.1 - 5.0 PPM

Fragrance Demo Formulas
CAS Number:	26516-27-8	3D/inchi
Other(deleted CASRN):	123434-11-7
FDA UNII:	5V9ZD1U3Q9
Nikkaji Web:	J1.365.447F
XlogP3-AA:	1.80 (est)
Molecular Weight:	158.19718000
Formula:	C8 H14 O3
NMR Predictor:	Predict (works with chrome, Edge or firefox)

Category:flavor and fragrance agents

US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:

Google Scholar:	Search
Google Books:	Search
Google Scholar: with word "volatile"	Search
Google Scholar: with word "flavor"	Search
Google Scholar: with word "odor"	Search
Perfumer and Flavorist:	Search
Google Patents:	Search
US Patents:	Search
EU Patents:	Search
Pubchem Patents:	Search
PubMed:	Search
NCBI:	Search
FEMA Number:	4903 ethyl 3-methyl-2-oxopentanoate
FDA:	No longer provide for the use of these seven synthetic flavoring substances

Physical Properties:

Appearance:	pale yellow to yellow clear liquid (est)
Assay:	95.00 to 100.00
Food Chemicals Codex Listed:	No
Specific Gravity:	0.96300 to 0.96900 @ 25.00 °C.
Pounds per Gallon - (est).:	8.013 to 8.063
Refractive Index:	1.41400 to 1.41800 @ 20.00 °C.
Boiling Point:	205.21 °C. @ 760.00 mm Hg (est)
Vapor Pressure:	0.253000 mmHg @ 25.00 °C. (est)
Flash Point:	157.00 °F. TCC ( 77.10 °C. ) (est)
logP (o/w):	0.934
Soluble in:
	alcohol
	water, 1.111e+004 mg/L @ 25 °C (est)

Organoleptic Properties:

Odor Type: nutty

nutty walnut woody herbal

Odor Description:Great for adding earthy notes typical of many tree nuts. Especially useful for enhancing flavors in maple and nutty applications. Recommended Flavor Use Level: 0.1 - 5.0 PPMnutty black walnut aroma, accompanied by woody nuances and a subtle herbaceousness

Flavor Type: nutty

fresh nutty walnut dry woody

Taste Description: fresh nutty notes of walnut, dry, woody

Odor and/or flavor descriptions from others (if found).

Bedoukian Research

NUEZATE

Odor Description:Characteristic black walnut aroma, accompanied by woody nuances and a subtle herbaceousness
Excellent for emphasizing walnut and hazelnut notes in gourmand types as well as enhancing woody, masculine notes in fougere formulations. Also useful for adding complexity and elegance to fine fragrance compositions. Recommended Fragrance Use Level: Traces - 1.0%

Taste Description:Characteristic, fresh notes of walnut, dry, woody.
Great for adding earthy notes typical of many tree nuts. Especially useful for enhancing flavors in maple and nutty applications. Recommended Flavor Use Level: 0.1 - 5.0 PPM

Cosmetic Information:

None found

Suppliers:

Bedoukian Research

NUEZATE

Odor: Characteristic black walnut aroma, accompanied by woody nuances and a subtle herbaceousness

Use: Excellent for emphasizing walnut and hazelnut notes in gourmand types as well as enhancing woody, masculine notes in fougere formulations. Also useful for adding complexity and elegance to fine fragrance compositions. Recommended Fragrance Use Level: Traces - 1.0%

Flavor: Characteristic, fresh notes of walnut, dry, woody.

Great for adding earthy notes typical of many tree nuts. Especially useful for enhancing flavors in maple and nutty applications. Recommended Flavor Use Level: 0.1 - 5.0 PPM

Safety Information:

Preferred SDS: View

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

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: 29
Click here to view publication 29
	average usual ppm	average maximum ppm
baked goods:	10.00000	100.00000
beverages(nonalcoholic):	5.00000	50.00000
beverages(alcoholic):	2.50000	25.00000
breakfast cereal:	5.00000	50.00000
cheese:	-	-
chewing gum:	10.00000	100.00000
condiments / relishes:	-	-
confectionery froastings:	5.00000	50.00000
egg products:	-	-
fats / oils:	5.00000	50.00000
fish products:	-	-
frozen dairy:	5.00000	50.00000
fruit ices:	5.00000	50.00000
gelatins / puddings:	5.00000	50.00000
granulated sugar:	-	-
gravies:	-	-
hard candy:	10.00000	100.00000
imitation dairy:	2.50000	25.00000
instant coffee / tea:	5.00000	50.00000
jams / jellies:	2.50000	25.00000
meat products:	-	-
milk products:	2.50000	25.00000
nut products:	5.00000	50.00000
other grains:	5.00000	50.00000
poultry:	-	-
processed fruits:	-	-
processed vegetables:	-	-
reconstituted vegetables:	-	-
seasonings / flavors:	10.00000	100.00000
snack foods:	2.50000	25.00000
soft candy:	5.00000	50.00000
soups:	2.50000	25.00000
sugar substitutes:	-	-
sweet sauces:	2.50000	25.00000

Safety References:

EPI System: View

AIDS Citations:Search

Cancer Citations:Search

Toxicology Citations:Search

EPA Substance Registry Services (TSCA):26516-27-8

EPA ACToR:Toxicology Data

EPA Substance Registry Services (SRS):Registry

Laboratory Chemical Safety Summary :13129857

National Institute of Allergy and Infectious Diseases:Data

ethyl 3-methyl-2-oxopentanoate

Chemidplus:0026516278

References:

	ethyl 3-methyl-2-oxopentanoate
NIST Chemistry WebBook:	Search Inchi
Pubchem (cid):	13129857
Pubchem (sid):	135263950

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
HMDB (The Human Metabolome Database):	Search
Export Tariff Code:	2915.90.0000
ChemSpider:	View