EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

isoamyl pyruvate
isopentyl pyruvate

Supplier Sponsors

Name:3-methylbutyl 2-oxopropanoate
CAS Number: 7779-72-8Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:231-934-9
FDA UNII:FZ347HUW87
Nikkaji Web:J326.565J
MDL:MFCD00238527
CoE Number:431
XlogP3-AA:1.70 (est)
Molecular Weight:158.19718000
Formula:C8 H14 O3
NMR Predictor:Predict (works with chrome 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
JECFA Food Flavoring:939 isoamyl pyruvate
FLAVIS Number:09.443 (Old)
DG SANTE Food Flavourings:09.443 isopentyl pyruvate
FEMA Number:2083 isoamyl pyruvate
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: ISOAMYL PYRUVATE
FDA Regulation:
FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart F--Flavoring Agents and Related Substances
Sec. 172.515 Synthetic flavoring substances and adjuvants.
 
Physical Properties:
Appearance:colorless to pale yellow clear liquid (est)
Assay: 97.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.97200 to 0.98000 @ 25.00 °C.
Pounds per Gallon - (est).: 8.088 to 8.155
Refractive Index:1.41700 to 1.42400 @ 20.00 °C.
Boiling Point: 185.00 °C. @ 760.00 mm Hg
Boiling Point: 86.00 °C. @ 14.00 mm Hg
Acid Value: 2.00 max. KOH/g
Vapor Pressure:0.253000 mm/Hg @ 25.00 °C. (est)
Flash Point: 169.00 °F. TCC ( 76.11 °C. )
logP (o/w): 1.458 (est)
Soluble in:
 alcohol
 water, 1.111e+004 mg/L @ 25 °C (est)
Insoluble in:
 water
Similar Items:note
ethyl pyruvate
(Z)-3-hexen-1-yl pyruvate
methyl pyruvate
propyl pyruvate
 
Organoleptic Properties:
Odor Type: balsamic
Odor Strength:medium
caramellic balsamic rummy arrack fruity
Odor Description:at 100.00 %. caramellic balsamic rummy arrack fruity
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
isoAmyl Pyruvate
Parchem
isoAmyl Pyruvate
Penta International
ISOAMYL PYRUVATE, Kosher
 
Safety Information:
 
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
Recommendation for isoamyl pyruvate usage levels up to:
  1.0000 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 17.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.00 (μg/capita/day)
Structure Class: I
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: 3
 average usual ppmaverage maximum ppm
baked goods: -12.00000
beverages(nonalcoholic): -4.70000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -8.10000
fruit ices: -8.10000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -9.20000
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: --
 
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 64 (FGE.64): Consideration of aliphatic acyclic diols, triols, and related substances evaluated by JECFA (57th meeting) structurally related to aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30 evaluated by EFSA in FGE.10Rev1 (EFSA, 2008ab)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 96 (FGE.96): Consideration of 88 flavouring substances considered by EFSA for which EU production volumes / anticipated production volumes have been submitted on request by DG SANCO. Addendum to FGE. 51, 52, 53, 54, 56, 58, 61, 62, 63, 64, 68, 69, 70, 71, 73, 76, 77, 79, 80, 83, 84, 85 and 87.
View page or View pdf

EPI System: View
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :537682
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
3-methylbutyl 2-oxopropanoate
Chemidplus:0007779728
 
References:
 3-methylbutyl 2-oxopropanoate
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:7779-72-8
Pubchem (cid):537682
Pubchem (sid):135262958
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS):View
HMDB (The Human Metabolome Database):HMDB38305
FooDB:FDB017634
ChemSpider:View
 
Potential Blenders and core components note
For Odor
No odor group found for these
(E+Z)-4,8-
dimethyl-3,7-nonadien-2-one
FL/FR
acidic
acidic
cyclohexyl acetic acid
FL/FR
balsamic
2-
acetyl furan
FL/FR
benzyl cinnamate
FL/FR
cinnamyl formate
FL/FR
buttery
acetoin
FL/FR
acetyl propionyl
FL/FR
3,4-
hexane dione
FL/FR
caramellic
2-oxo
butyric acid
FL/FR
caramel pentadione
FL/FR
cyclotene
FL/FR
cyclotene hydrate
FL/FR
alpha,alpha-
dimethyl anisyl acetone
FL/FR
ethyl 2-hydroxy-2-methyl butyrate
FL/FR
ethyl cyclopentenolone
FL/FR
ethyl maltol
FL/FR
5-
ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one
FL/FR
fenugreek absolute
FL/FR
geranyl crotonate
FR
immortelle absolute
FL/FR
levulinic acid
FL/FR
maltol
FL/FR
maltyl propionate
FL/FR
maple furanone
FL/FR
menthone lactone
FL/FR
mesitene lactone
FR
5-
methyl furfural
FL/FR
rosefuran
FL/FR
shoyu furanone
FL/FR
strawberry furanone
FL/FR
strawberry furanone acetate
FL/FR
toffee furanone
FL/FR
citrus
2-
heptanol
FL/FR
coconut
gamma-
heptalactone
FL/FR
coumarinic
tonka bean resinoid
FR
creamy
gamma-
butyrolactone
FL/FR
ethereal
decyl propionate
FL/FR
ethyl 4-pentenoate
FL/FR
ethyl acetate
FL/FR
ethyl pyruvate
FL/FR
1-
hexen-3-ol
FL/FR
(E)-
methyl tiglate
FL/FR
propyl formate
FL/FR
iso
valeraldehyde propylene glycol acetal
FL/FR
fatty
butyl undecylenate
FL/FR
4-
ethyl octanoic acid
FL/FR
fermented
ethyl (E)-2-crotonate
FL/FR
ethyl crotonate
FL/FR
methyl decanoate
FL/FR
floral
acetal 318
FR
iso
amyl angelate
FL/FR
alpha-
amyl cinnamaldehyde
FL/FR
benzyl acetate
FL/FR
benzyl acetoacetate
FL/FR
benzyl formate
FL/FR
citronellyl butyrate
FL/FR
citronellyl hexanoate
FL/FR
citronellyl propionate
FL/FR
(E)-
citronellyl tiglate
FL/FR
dihydrojasmone
FL/FR
dimethyl benzyl carbinyl acetate
FL/FR
ethyl hydrocinnamate
FL/FR
geraniol
FL/FR
linalyl propionate
FL/FR
menthadienyl formate
FR
methoxymelonal
FL/FR
methyl benzyl acetate (mixed ortho-,meta-,para-)
FL/FR
alpha-iso
methyl ionone (90% min.)
FL/FR
methyl ionyl acetate
FL/FR
3-
nonanon-1-yl acetate
FL/FR
orris rhizome concrete butter (iris pallida)
FL/FR
petitgrain lemon oil
FL/FR
phenethyl isobutyrate
FL/FR
phenethyl isovalerate
FL/FR
1-
phenyl propyl butyrate
FL/FR
2-
phenyl propyl isobutyrate
FL/FR
4-
phenyl-3-buten-2-ol
FL/FR
iso
propyl benzoate
FL/FR
rose undecene
FR
terpinyl valerate
FL/FR
tetrahydroionyl acetate
FR
fruity
allyl hexanoate
FL/FR
benzaldehyde / methyl anthranilate schiff's base
FR
berry hexanoate
FR
berry pentadienoate
FL/FR
iso
butyl anthranilate
FL/FR
iso
butyl butyrate
FL/FR
butyl formate
FL/FR
iso
butyl furyl propionate
FL/FR
citronellyl isobutyrate
FL/FR
cyclohexanone diethyl acetal
FL/FR
beta-
damascone
FL/FR
(Z)-beta-
damascone
FL/FR
(E)-beta-
damascone
FL/FR
eriocephalus punctulatus flower oil
FR
ethyl (E)-3-hexenoate
FL/FR
ethyl 2-hexenoate
FL/FR
ethyl heptanoate
FL/FR
ethyl levulinate
FL/FR
ethyl propionate
FL/FR
(E)-
ethyl tiglate
FL/FR
fruity carboxylate
FR
heptyl isobutyrate
FL/FR
3-
hexanone
FL/FR
3-
mercaptohexyl acetate
FL/FR
methyl (Z)-3-hexenoate
FL/FR
methyl isobutyrate
FL/FR
methyl propionate
FL/FR
(E)-7-
methyl-3-octen-2-one
FL/FR
2-
phenyl propyl butyrate
FL/FR
prenyl formate
FL/FR
rhubarb pyran
FR
styryl acetate
FL/FR
tetrahydrofurfuryl acetate
FL/FR
4-(para-
tolyl)-2-butanone
FL/FR
tropical ionone
FL/FR
green
iso
amyl 3-(2-furan) propionate
FL/FR
heptyl acetate
FL/FR
(E)-2-
hexen-1-yl formate
FL/FR
(Z)-3-
hexen-1-yl isovalerate
FL/FR
(E)-2-
hexen-1-yl phenyl acetate
FL/FR
hexoxyacetaldehyde dimethyl acetal
FR
herbal
butyl levulinate
FL/FR
chamomile isobutyrate
FR
chamomile propionate
FR
chamomile valerate
FR
clary propyl acetate
FR
methyl cyclogeranate (Firmenich)
FR
honey
allyl phenyl acetate
FL/FR
jammy
ethyl 2-methyl-2-pentenoate
FR
musty
3-
acetyl-2,5-dimethyl furan
FL/FR
nutty
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
phenolic
4-
methyl-2,6-dimethoxyphenol
FL/FR
powdery
alpha-
methyl ionone
FL/FR
spicy
para-
anisyl formate
FL/FR
(E)-
tiglic acid
FL/FR
sweet
vanilla oleoresin bali
FL/FR
tonka
tonka bean absolute
FR
vanilla
ethyl vanillin
FL/FR
vanilla bean absolute (vanilla planifolia)
FL/FR
vanillyl isobutyrate
FL/FR
vegetable
tetrahydrofurfuryl alcohol
FL/FR
waxy
ethyl nonanoate
FL/FR
woody
2-
decalinyl acetate
FR
For Flavor
No flavor group found for these
1-
acetyl cyclohexyl acetate
FL
2-
acetyl-3,4,5,6-tetrahydropyridine
FL
allyl 2-furoate
FL
amyl angelate
FL
iso
amyl angelate
FL/FR
benzyl disulfide
FL
butyl formate
FL/FR
2-
butyl thiophene
FL
cyclohexanone diethyl acetal
FL/FR
decyl propionate
FL/FR
2,5-
diethyl tetrahydrofuran
FL
2,4-
difurfuryl furan
FL
alpha,alpha-
dimethyl anisyl acetone
FL/FR
S-(2,5-
dimethyl-3-furyl) ethane thioate
FL
(E+Z)-4,8-
dimethyl-3,7-nonadien-2-one
FL/FR
ethyl 2-hexenoate
FL/FR
ethyl 2-hydroxy-2-methyl butyrate
FL/FR
ethyl 4-pentenoate
FL/FR
ethyl hydrocinnamate
FL/FR
5-
ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one
FL/FR
furfuryl acetone
FL
(E)-2-
hexen-1-yl phenyl acetate
FL/FR
menthone lactone
FL/FR
methyl benzyl acetate (mixed ortho-,meta-,para-)
FL/FR
(E)-
methyl tiglate
FL/FR
1-
phenyl propyl butyrate
FL/FR
2-
phenyl propyl isobutyrate
FL/FR
prenyl formate
FL/FR
iso
propyl benzoate
FL/FR
rosefuran
FL/FR
styryl acetate
FL/FR
iso
amyl 3-(2-furan) propionate
FL/FR
benzyl acetoacetate
FL/FR
iso
butyl furyl propionate
FL/FR
beta-
damascone
FL/FR
acidic
acidic
levulinic acid
FL/FR
berry
heptyl isobutyrate
FL/FR
bready
mango furanone
FL
brown
2-oxo
butyric acid
FL/FR
5-
methyl furfural
FL/FR
tetrahydrofurfuryl acetate
FL/FR
(E)-
tiglic acid
FL/FR
burnt
ethyl 2-furoate
FL
furfuryl alcohol
FL
buttery
diacetyl
FL
3,4-
hexane dione
FL/FR
caramellic
caramel furanone
FL
caramel pentadione
FL/FR
cyclotene
FL/FR
cyclotene hydrate
FL/FR
ethyl maltol
FL/FR
5-
ethyl-3,4,5,6-tetramethyl cyclohexen-2-one
FL
fenugreek absolute
FL/FR
maltol
FL/FR
maltyl propionate
FL/FR
maple furanone
FL/FR
3-
methyl butyl 2-furyl butyrate
FL
pyruvaldehyde
FL
shoyu furanone
FL/FR
strawberry furanone
FL/FR
strawberry furanone acetate
FL/FR
toffee furanone
FL/FR
citrus
petitgrain lemon oil
FL/FR
coffee
2-
thiophene thiol
FL
creamy
acetoin
FL/FR
earthy
1-
hexen-3-yl acetate
FL
ethereal
ethyl acetate
FL/FR
methyl isobutyrate
FL/FR
fatty
4-
ethyl octanoic acid
FL/FR
methyl decanoate
FL/FR
(E)-7-
methyl-3-octen-2-one
FL/FR
2,4-
undecadienal
FL
(E,E)-2,4-
undecadienal
FL
floral
citronellyl hexanoate
FL/FR
citronellyl propionate
FL/FR
dihydrojasmone
FL/FR
dimethyl benzyl carbinyl acetate
FL/FR
geraniol
FL/FR
alpha-iso
methyl ionone (90% min.)
FL/FR
orris rhizome concrete butter (iris pallida)
FL/FR
tropical ionone
FL/FR
fruity
allyl hexanoate
FL/FR
benzyl acetate
FL/FR
benzyl formate
FL/FR
berry pentadienoate
FL/FR
iso
butyl anthranilate
FL/FR
iso
butyl butyrate
FL/FR
citronellyl butyrate
FL/FR
citronellyl isobutyrate
FL/FR
(E)-beta-
damascone
FL/FR
(Z)-beta-
damascone
FL/FR
ethyl (E)-3-hexenoate
FL/FR
ethyl heptanoate
FL/FR
ethyl levulinate
FL/FR
ethyl propionate
FL/FR
(E)-
ethyl tiglate
FL/FR
furfuryl valerate
FL
2-
heptanol
FL/FR
3-
hexanone
FL/FR
2-
hexyl-4-acetoxytetrahydrofuran
FL
methoxymelonal
FL/FR
methyl (Z)-3-hexenoate
FL/FR
methyl 4-phenyl butyrate
FL
alpha-
methyl ionone
FL/FR
methyl propionate
FL/FR
3-
nonanon-1-yl acetate
FL/FR
2-
pentanoyl furan
FL
phenethyl isovalerate
FL/FR
2-
phenyl-4-pentenal
FL
propyl formate
FL/FR
terpinyl valerate
FL/FR
4-(para-
tolyl)-2-butanone
FL/FR
iso
valeraldehyde propylene glycol acetal
FL/FR
green
(E)-
citronellyl tiglate
FL/FR
heptyl acetate
FL/FR
(Z)-3-
hexen-1-yl isovalerate
FL/FR
1-
hexen-3-ol
FL/FR
immortelle absolute
FL/FR
herbal
butyl levulinate
FL/FR
5-
hydroxymethyl furfural
FL
linalyl propionate
FL/FR
honey
allyl phenyl acetate
FL/FR
phenethyl isobutyrate
FL/FR
jammy
ethyl cyclopentenolone
FL/FR
lactonic
gamma-
heptalactone
FL/FR
milky
gamma-
butyrolactone
FL/FR
musty
ethyl (E)-2-crotonate
FL/FR
nutty
2-
acetyl furan
FL/FR
3-
acetyl-2,5-dimethyl furan
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
nutty cyclohexenone
FL/FR
peanut oxazole
FL
tetrahydrofurfuryl alcohol
FL/FR
phenolic
4-
methyl-2,6-dimethoxyphenol
FL/FR
rummy
ethyl crotonate
FL/FR
ethyl pyruvate
FL/FR
(E)-2-
hexen-1-yl formate
FL/FR
spicy
para-
anisyl formate
FL/FR
benzyl cinnamate
FL/FR
cinnamyl formate
FL/FR
2-
phenyl propyl butyrate
FL/FR
sweet
caramel dione
FL
cyclohexyl acetic acid
FL/FR
vanilla oleoresin bali
FL/FR
toasted
acetyl propionyl
FL/FR
tropical
alpha-
amyl cinnamaldehyde
FL/FR
3-
mercaptohexyl acetate
FL/FR
vanilla
ethyl vanillin
FL/FR
vanilla bean absolute (vanilla planifolia)
FL/FR
vanillyl isobutyrate
FL/FR
waxy
butyl undecylenate
FL/FR
ethyl nonanoate
FL/FR
furfuryl octanoate
FL
4-
phenyl-3-buten-2-ol
FL/FR
woody
methyl ionyl acetate
FL/FR
 
Potential Uses:
 arrack
FRbalsam
FRsaffron
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
isoamyl pyroracemate
3-methyl butyl 2-oxopropanoate
3-methylbutyl 2-oxopropanoate
isopentyl pyruvate
2-oxo-propanoic acid 3-methyl butyl ester
 propanoic acid, 2-oxo-, 3-methylbutyl ester
 pyruvic acid isopentyl ester
 pyruvic acid, isopentyl ester
 
 
Notes:
Flavouring ingredient
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