(E)-7-methyl-3-octen-2-one
(E)-7-methyl-3-octenone-2
 
Notes:
Used as a food additive [EAFUS] Found in skimmed milk powder. Flavouring agent for a variety of foods, esp. for fried food taste
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(E)-7-methyloct-3-en-2-one (Click)
CAS Number: 33046-81-0Picture of molecule
ECHA EINECS - REACH Pre-Reg: 251-361-8
FDA UNII: 382AW7VZ7R
Nikkaji Web: J113.927D
XlogP3-AA: 2.50 (est)
Molecular Weight: 140.22572000
Formula: C9 H16 O
NMR Predictor: Predict (works with chrome or firefox)
EFSA/JECFA Comments: At least 94%; secondary components 2-4% 7-methyl-4-octen-2-one, 5,6-dimethyl-3-hepten-2one and 3-nonen-2-one. (EFSA)
Category: flavor and fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
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Perfumer and Flavorist: Search
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Pubchem Patents: Search
JECFA Food Flavoring: 1135  (E)-7-methyl-3-octen-2-one
Flavis Number: 07.177 (Old)
DG SANTE Food Flavourings: 07.177  (E)-7-methyl-3-octenone-2
FEMA Number: 3868  (E)-7-methyl-3-octen-2-one
FDA Mainterm: (E)-7-METHYL-3-OCTEN-2-ONE
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Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 94.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.83800 to 0.84700 @  25.00 °C.
Pounds per Gallon - (est).: 6.973 to  7.048
Refractive Index: 1.44600 to 1.45100 @  20.00 °C.
Boiling Point: 198.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.415000 mm/Hg @ 25.00 °C. (est)
Flash Point: 170.00 °F. TCC ( 76.67 °C. )
logP (o/w): 2.504 (est)
Soluble in:
 alcohol
 water, slightly
 water, 403.8 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
 
Odor Type: fruity
 
Odor Strength: medium
 
 fruity  floral  
Odor Description:
at 100.00 %. 
fruity floral
 
 
Flavor Type: fatty
 
 fatty  oily  lactonic  nutty  meaty  tallow  fatty  
Taste Description:
fatty oily lactonic nutty meaty tallow fatty
 
Odor and/or flavor descriptions from others (if found).
 
Firmenich
Dimethylheptenone min. 92%, Kosher, Halal
Taste Description: Powerful fatty, oily, lactonic, nut and meat fat notes
DIMETHYLHEPTENONE is key for savory oily and meaty character. In lower dosages its lactonic and nutty profile works nicely in dairy and nut flavors.
 
 
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Cosmetic Information:
None found
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Suppliers:
Ernesto Ventós
DIMETHYLHEPTENONE 1 PG FIRMENICH 938971
Odor: FATTY,OILY,LACTONIC,NUT,MEAT FAT
Ernesto Ventós
DIMETHYLHEPTENONE FIRMENICH 938920
Odor: FATTY,OILY,LACTONIC,NUT,MEAT FAT
Firmenich
Dimethylheptenone 1 PG
Kosher, Halal
Flavor: Powerful fatty, oily, lactonic, nut and meat fat notes
DIMETHY LHEPTENONE is key for savory oily and meaty character. In lower dosages its lactonic and nutty profile works nicely in dairy and nut flavors.
Firmenich
Dimethylheptenone
min. 92%, Kosher, Halal
Flavor: Powerful fatty, oily, lactonic, nut and meat fat notes
DIMETHYLHEPTENONE is key for savory oily and meaty character. In lower dosages its lactonic and nutty profile works nicely in dairy and nut flavors.
Parchem
(E)-7-methyl-3-octen-2-one
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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
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Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for (E)-7-methyl-3-octen-2-one usage levels up to:
  2.0000 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): ND (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 2.00 (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: 18
Click here to view publication 18
 average usual ppmaverage maximum ppm
baked goods: 0.200001.00000
beverages(nonalcoholic): 0.100001.00000
beverages(alcoholic): --
breakfast cereal: 0.200001.00000
cheese: 0.200002.00000
chewing gum: --
condiments / relishes: 0.200001.00000
confectionery froastings: 0.200001.00000
egg products: 0.200001.00000
fats / oils: 0.300001.00000
fish products: 0.100001.00000
frozen dairy: 0.300002.00000
fruit ices: 0.100001.00000
gelatins / puddings: 0.100001.00000
granulated sugar: --
gravies: 0.200002.00000
hard candy: --
imitation dairy: 0.200001.00000
instant coffee / tea: 0.100001.00000
jams / jellies: --
meat products: 0.300002.00000
milk products: 0.200001.00000
nut products: 0.200002.00000
other grains: 0.200001.00000
poultry: 0.200001.00000
processed fruits: 0.100001.00000
processed vegetables: 0.200002.00000
reconstituted vegetables: 0.100001.00000
seasonings / flavors: 0.100002.00000
snack foods: 0.200002.00000
soft candy: 0.100001.00000
soups: 0.200002.00000
sugar substitutes: 0.200001.00000
sweet sauces: 0.100001.00000
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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):
List of apha, beta-Unsaturated Aldehydes and Ketones representative of FGE.19 substances for Genotoxicity Testing [1] - Statement of the Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 204 (FGE.204): Consideration of genotoxicity data on representatives for 18 mono-unsaturated, aliphatic, a,-unsaturated ketones and precursors from chemical subgroup 1.2.1 of FGE.19 by EFSA
View page or View pdf
EPI System: View
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 5363231
National Institute of Allergy and Infectious Diseases: Data
 (E)-7-methyloct-3-en-2-one
Chemidplus: 0033046810
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References:
 (E)-7-methyloct-3-en-2-one
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 5363231
Pubchem (sid): 135000323
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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): HMDB39461
FooDB: FDB019062
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
No odor group found for these
 citronitrile (Symrise)FR
(E+Z)-4,8-dimethyl-3,7-nonadien-2-oneFL/FR
aldehydic
2,6-dimethyl-2,18-nonadecadien-8-one 
3-methyl-4-hexyl oxybutyraldehydeFR
10-undecenal (aldehyde C-11 undecylenic)FL/FR
balsamic
 benzyl cinnamateFL/FR
 cinnamyl formateFL/FR
chocolate
2,5-dimethyl pyrazineFL/FR
citrus
(R)-citronellyl nitrileFR
2-heptanolFL/FR
ethereal
3-cyclohexyl propyl acetate 
fatty
 butyl undecylenateFL/FR
4-ethyl octanoic acidFL/FR
(Z)-oleic acidFL/FR
fermented
 methyl decanoateFL/FR
floral
 acetal 318FR
isoamyl angelateFL/FR
alpha-amyl cinnamaldehydeFL/FR
 benzyl acetateFL/FR
 benzyl acetoacetateFL/FR
 benzyl formateFL/FR
 benzyl isobutyrateFL/FR
 blue lagoon fragranceFR
(S)-citronellyl acetateFL/FR
 citronellyl butyrateFL/FR
 citronellyl hexanoateFL/FR
 citronellyl propionateFL/FR
(E)-citronellyl tiglateFL/FR
3-cyclohexene-1-carboxylic acid, 2,6,6-trimethyl-, methyl esterFR
 cymbopogon validus leaf oilFR
 dihydrojasmoneFL/FR
 dimethyl benzyl carbinyl acetateFL/FR
3,6-dimethyl-3-octyl acetateFR
 ethyl anthranilateFL/FR
 ethyl ethyl anthranilateFL/FR
 eucalyptus macarthurii oilFR
 geraniolFL/FR
 geranyl isobutyrateFL/FR
 hibiscus fragranceFR
 ionone mixed isomersFL/FR
 jasmin cyclopentanoneFR
isojasmoneFL/FR
 linalyl butyrateFL/FR
 magnolia specialtyFR
 menthadienyl formateFR
ortho-methoxybenzyl ethyl etherFR
 methoxymelonalFL/FR
1-(2-methyl allyl oxy)-3-methoxy-3-methyl-1-butaneFR
para-methyl benzyl acetateFL/FR
 methyl benzyl acetate (mixed ortho-,meta-,para-)FL/FR
alpha-isomethyl ionone (90% min.)FL/FR
 methyl ionyl acetateFL/FR
(±)-3-methyl-gamma-decalactoneFL/FR
pink nelumbo nucifera flower absoluteFR
white nelumbo nucifera flower absoluteFR
white nelumbo nucifera flower concreteFR
3-nonanon-1-yl acetateFL/FR
1-(octahydro-4,7-methanoinden-5-yl)-propan-2-one + 1-(6-methyloctahydro-4,7-methanoinden-5-yl)-ethanone 
 orris rhizome concrete butter (iris pallida)FL/FR
 osmanthus absolute replacerFR
 osmanthus concreteFL/FR
 petitgrain lemon oilFL/FR
 petitgrain mandarin oilFL/FR
 phenethyl isobutyrateFL/FR
 phenethyl isovalerateFL/FR
1-phenyl propyl butyrateFL/FR
2-phenyl propyl isobutyrateFL/FR
4-phenyl-3-buten-2-olFL/FR
isopropyl benzoateFL/FR
 rhodinyl butyrateFL/FR
 rose undeceneFR
 souroubea specialtyFR
 star fruit oil cubaFL/FR
 styralyl propionateFL/FR
 terpinyl valerateFL/FR
 tetrahydroionyl acetateFR
fruity
 allyl benzoateFR
 apricot essenceFL/FR
 benzaldehyde / methyl anthranilate schiff's baseFR
 benzyl propionateFL/FR
 benzyl valerateFL/FR
 berry hexanoateFR
 butyl 2-naphthyl etherFL/FR
isobutyl anthranilateFL/FR
isobutyl furyl propionateFL/FR
 citronellyl isobutyrateFL/FR
(E)-beta-damasconeFL/FR
(Z)-beta-damasconeFL/FR
beta-damasconeFL/FR
(R)-gamma-dodecalactoneFL/FR
 eriocephalus punctulatus flower oilFR
 ethyl levulinateFL/FR
2-ethyl-4-methyl-1,3-oxathiane 
 ginseneFR
 heptyl isobutyrateFL/FR
 linalool oxide acetatesFL/FR
3-mercaptohexyl acetateFL/FR
 methyl (Z)-3-hexenoateFL/FR
 methyl bicycloheptenyl methyloxirane carboxylateFR
 methyl isobutyrateFL/FR
 myrasconeFR
2-nonanone propylene glycol acetalFL/FR
alpha-ocimeneFL/FR
 peach nitrileFR
 plum damascone (high alpha)FR
 prunus amygdalus amara seed extractFL/FR
 rhubarb pyranFR
 sambucus canadensis fruit absoluteFL/FR
 strawberry glycidate 1 (aldehyde C-16 (so-called))FL/FR
(R)-styralyl acetateFL/FR
4-(para-tolyl)-2-butanoneFL/FR
 tropical iononeFL/FR
cis-woody acetateFR
green
isoamyl 3-(2-furan) propionateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
 hexoxyacetaldehyde dimethyl acetalFR
 magnolia flower oil CO2 extractFL/FR
1-(octahydro-4,7-methanoinden-5-yl)-propan-2-ol 
2-octen-1-olFL/FR
(E)-2-octen-1-olFL/FR
1-[(3aS,7aR)-3a,4,7,7a-tetrahydro-1H-inden-6-yl]ethanoneFR
herbal
 chamomile isobutyrateFR
 chamomile propionateFR
 chamomile valerateFR
 clary propyl acetateFR
 geranium cyclohexaneFR
 methyl cyclogeranateFR
 tagete oil madagascarFL/FR
medicinal
ortho-cresyl acetateFL/FR
powdery
alpha-methyl iononeFL/FR
(E)-alpha-methyl ionone (74-80%)FL/FR
spicy
para-anisyl formateFL/FR
 honey extractCS
 spicy acetoacetateFL/FR
tropical
 triflaige AFR
waxy
 dihydrocitronellyl acetateFL/FR
(E)-methyl geranateFL/FR
2-methyl heptanoic acidFL/FR
2,4-nonadien-1-olFL/FR
 phytyl acetateFL/FR
woody
2-decalinyl acetateFR
 melozol acetateFR
 rhubarb oxiraneFR
 
For Flavor
 
No flavor group found for these
1-acetyl cyclohexyl acetateFL
 amyl angelateFL
isoamyl angelateFL/FR
 benzyl valerateFL/FR
 butyl 2-naphthyl etherFL/FR
2-butyl thiopheneFL
ortho-cresyl acetateFL/FR
3-cyclohexyl propyl acetate 
2,4-difurfuryl furanFL
 dihydrocitronellyl acetateFL/FR
2,6-dimethyl-2,18-nonadecadien-8-one 
S-(2,5-dimethyl-3-furyl) ethane thioateFL
(E+Z)-4,8-dimethyl-3,7-nonadien-2-oneFL/FR
(R)-gamma-dodecalactoneFL/FR
 ethyl 3-hydroxyoctanoateFL
 ethyl ethyl anthranilateFL/FR
2-ethyl-4-methyl-1,3-oxathiane 
4-hydroxyphenethyl alcoholFL
 ionone mixed isomersFL/FR
 linalool oxide acetatesFL/FR
 magnolia flower oil CO2 extractFL/FR
 methyl benzyl acetate (mixed ortho-,meta-,para-)FL/FR
(E)-methyl geranateFL/FR
(±)-3-methyl-gamma-decalactoneFL/FR
2-nonanone propylene glycol acetalFL/FR
alpha-ocimeneFL/FR
1-(octahydro-4,7-methanoinden-5-yl)-propan-2-ol 
1-(octahydro-4,7-methanoinden-5-yl)-propan-2-one + 1-(6-methyloctahydro-4,7-methanoinden-5-yl)-ethanone 
1-phenyl propyl butyrateFL/FR
2-phenyl propyl isobutyrateFL/FR
 phytyl acetateFL/FR
isopropyl benzoateFL/FR
(R)-styralyl acetateFL/FR
 vitispiraneFL
isoamyl 3-(2-furan) propionateFL/FR
 benzyl acetoacetateFL/FR
isobutyl furyl propionateFL/FR
beta-damasconeFL/FR
berry
 heptyl isobutyrateFL/FR
burnt
 ethyl 2-furoateFL
citrus
 petitgrain lemon oilFL/FR
 petitgrain mandarin oilFL/FR
 styralyl propionateFL/FR
coffee
 methyl furfuryl mercaptopropionateFL
ethereal
 methyl isobutyrateFL/FR
fatty
2,4-decadienalFL
 diacetyl trimerFL
4-ethyl octanoic acidFL/FR
 methyl decanoateFL/FR
2,4-nonadien-1-olFL/FR
2,4-octadien-1-olFL
(E)-2-octen-1-olFL/FR
2-octen-1-olFL/FR
(Z)-oleic acidFL/FR
10-undecenal (aldehyde C-11 undecylenic)FL/FR
floral
(S)-citronellyl acetateFL/FR
 citronellyl hexanoateFL/FR
 citronellyl propionateFL/FR
 dihydrojasmoneFL/FR
 dimethyl benzyl carbinyl acetateFL/FR
 geraniolFL/FR
 geranyl isobutyrateFL/FR
 linalyl butyrateFL/FR
2-methyl butyl 3-methyl butenoateFL
(E)-alpha-methyl ionone (74-80%)FL/FR
alpha-isomethyl ionone (90% min.)FL/FR
 orris rhizome concrete butter (iris pallida)FL/FR
 rhodinyl butyrateFL/FR
 tropical iononeFL/FR
 apricot essenceFL/FR
 benzyl acetateFL/FR
 benzyl formateFL/FR
 benzyl isobutyrateFL/FR
 benzyl propionateFL/FR
isobutyl anthranilateFL/FR
 citronellyl butyrateFL/FR
 citronellyl isobutyrateFL/FR
(Z)-beta-damasconeFL/FR
(E)-beta-damasconeFL/FR
 ethyl anthranilateFL/FR
 ethyl levulinateFL/FR
2-heptanolFL/FR
2-hexyl-4-acetoxytetrahydrofuranFL
 methoxymelonalFL/FR
 methyl (Z)-3-hexenoateFL/FR
 methyl 4-phenyl butyrateFL
para-methyl benzyl acetateFL/FR
alpha-methyl iononeFL/FR
3-nonanon-1-yl acetateFL/FR
 osmanthus concreteFL/FR
 phenethyl isovalerateFL/FR
2-phenyl-4-pentenalFL
 sambucus canadensis fruit absoluteFL/FR
 star fruit oil cubaFL/FR
 strawberry glycidate 1 (aldehyde C-16 (so-called))FL/FR
 tagete oil madagascarFL/FR
 terpinyl valerateFL/FR
4-(para-tolyl)-2-butanoneFL/FR
green
(E)-citronellyl tiglateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
isojasmoneFL/FR
 methyl 2-undecynoateFL
honey
 phenethyl isobutyrateFL/FR
musty
2,5-dimethyl pyrazineFL/FR
nutty
 prunus amygdalus amara seed extractFL/FR
spicy
para-anisyl formateFL/FR
 benzyl cinnamateFL/FR
 cinnamyl formateFL/FR
 spicy acetoacetateFL/FR
tropical
alpha-amyl cinnamaldehydeFL/FR
3-mercaptohexyl acetateFL/FR
waxy
 butyl undecylenateFL/FR
2-methyl heptanoic acidFL/FR
4-phenyl-3-buten-2-olFL/FR
woody
 methyl ionyl acetateFL/FR
 
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Potential Uses:
 floral 
 fruit 
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Occurrence (nature, food, other): note
 liver meal
Search  PMC Picture
 milk powdered milk
Search  PMC Picture
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Synonyms:
 dimethyl heptenone
 dimethylheptenone
 dimethylheptenone 1 PG
(E)-7-methyl oct-3-en-2-one
trans-7-methyl oct-3-en-2-one
(3E)-7-methyl-3-octen-2-one
7-methyl-3-octen-2-one
trans-7-methyl-3-octen-2-one
(E)-7-methyl-3-octenone-2
trans-7-methyl-3-octenone-2
(E)-7-methyloct-3-en-2-one
7-methyloct-3-en-2-one
trans-7-methyloct-3-en-2-one
3-octen-2-one, 7-methyl-
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