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

(E,E)-3,5-octadien-2-one
trans,trans-3,5-octadien-2-one

Sponsors

Name:(3E,5E)-octa-3,5-dien-2-one
CAS Number: 30086-02-3Picture of molecule3D/inchi
FDA UNII:TD4E94AD7V
Nikkaji Web:J126.520B
CoE Number:2148
XlogP3-AA:1.80 (est)
Molecular Weight:124.18284000
Formula:C8 H12 O
NMR Predictor:Predict (works with chrome or firefox)
EFSA/JECFA Comments:
JECFA evaluated (E,E)-3,5-Octadien-2-one (CASrn as in Register). CASrn in Register to be verified.
Category:flavoring 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
JECFA Food Flavoring:1139 (E,E)-3,5-octadien-2-one
FLAVIS Number:07.247 (Old)
DG SANTE Food Flavourings:07.247 (E,E)-3,5-octadien-2-one
FEMA Number:4008 (E,E)-3,5-octadien-2-one
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: 3,5-OCTADIEN-2-ONE, TRANS, TRANS-
 
Physical Properties:
Appearance:yellow clear liquid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.88000 to 0.89000 @ 20.00 °C.
Pounds per Gallon - (est).: 7.331 to 7.414
Specific Gravity:0.88000 to 0.89000 @ 25.00 °C.
Pounds per Gallon - est.: 7.322 to 7.406
Refractive Index:1.50800 to 1.51600 @ 20.00 °C.
Refractive Index:1.50800 to 1.51600 @ 20.00 °C.
Boiling Point: 185.00 to 186.00 °C. @ 760.00 mm Hg (est)
Boiling Point: 220.00 °C. @ 760.00 mm Hg
Vapor Pressure:0.437000 mm/Hg @ 25.00 °C. (est)
Flash Point: 146.00 °F. TCC ( 63.33 °C. )
logP (o/w): 1.770 (est)
Soluble in:
 alcohol
 water, 1624 mg/L @ 25 °C (est)
Insoluble in:
 water
 
Organoleptic Properties:
Odor Type: fruity
Odor Strength:high ,
recommend smelling in a 1.00 % solution or less
fruity green grassy
Odor Description:at 1.00 % in dipropylene glycol. fruity green grassy
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Axsyn
For experimental / research use only.
3,5-Octadien-2-one,(3E,5E)-
BOC Sciences
For experimental / research use only.
3,5-OCTADIEN-2-ONE 95%
Penta International
trans,trans-3,5-OCTADIEN-2-ONE, Kosher
Soda Aromatic
T.T-3,5-Octadien-2-one
Taytonn
3,5-Octadien-2-one
Odor: Fruity, Grass, Green
 
Safety Information:
European information :
Most important hazard(s):
Xi - Irritant
R 10 - Flammable.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
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: flavoring agents
Recommendation for (E,E)-3,5-octadien-2-one usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 3.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 4.00 (μg/capita/day)
Threshold of Concern:540 (μg/person/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: 20
 average usual ppmaverage maximum ppm
baked goods: 4.000008.00000
beverages(nonalcoholic): 2.000005.00000
beverages(alcoholic): 2.000005.00000
breakfast cereal: --
cheese: --
chewing gum: 16.0000030.00000
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 2.000005.00000
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: 4.000008.00000
imitation dairy: 2.000004.00000
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: 2.000004.00000
soft candy: 3.000006.00000
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):

Scientific Opinion on Flavouring Group Evaluation 206 (FGE.206): Consideration of genotoxicity data on representatives for 12 alpha,beta-unsaturated ketones and precursors from chemical subgroup 1.2.3 of FGE.19 by EFSA
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 63, Revision 1 (FGE.63Rev1): Consideration of aliphatic secondary alcohols, ketones and related esters evaluated by JECFA (59th and 69th meetings) structurally related to saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids evaluated by EFSA in FGE.07Rev4 (2012)
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 63, Revision 2 (FGE.63Rev2): Consideration of aliphatic secondary alcohols, ketones and related esters evaluated by JECFA (59th and 69th meetings) structurally related to saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids evaluated by EFSA in FGE.07Rev4
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 63, Revision 3 (FGE.63Rev3): aliphatic secondary alcohols, ketones and related esters evaluated by JECFA (59th and 69th meetings) structurally related to saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids evaluated by EFSA in FGE.07Rev4
View page or View pdf

EPI System: View
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5352876
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 1224
WGK Germany:2
(3E,5E)-octa-3,5-dien-2-one
Chemidplus:0030086023
 
References:
 (3E,5E)-octa-3,5-dien-2-one
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):5352876
Pubchem (sid):135158877
 
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):HMDB32446
FooDB:FDB009955
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
No odor group found for these
(E)-
tiglaldehyde
FL/FR
alliaceous
alliaceous
dibutyl sulfide
FL/FR
animal
para-
cresyl isobutyrate
FL/FR
methyl (E)-2-octenoate
FL/FR
balsamic
iso
amyl benzoate
FL/FR
citrus
2-
heptanol
FL/FR
lemongrass oil
FL/FR
litsea cubeba fruit oil
FL/FR
ethereal
cyclohexyl formate
FL/FR
2-
methyl valeraldehyde
FL/FR
fatty
3-
decen-2-one
FL/FR
methyl (E)-2-hexenoate
FL/FR
methyl 2-hexenoate
FL/FR
fermented
3-
methyl-1-pentanol
FL/FR
floral
boronia absolute
FL/FR
citronellyl propionate
FL/FR
dihydrocarvyl acetate
FL/FR
(±)-2,3-
dihydrofarnesol
FL/FR
(E)-
geranyl acetone
FL/FR
geranyl formate
FL/FR
geranyl isobutyrate
FL/FR
hexyl lactate
FL/FR
hexyl nonanoate
FL/FR
(Z)-
jasmone
FL/FR
para-
methyl benzyl acetate
FL/FR
mimosa absolute
FL/FR
mimosa absolute france
FL/FR
mimosa absolute india
FL/FR
mimosa absolute morocco
FL/FR
papaya isobutyrate
FL/FR
fruity
acetaldehyde dihexyl acetal
FL/FR
allyl butyrate
FL/FR
iso
amyl butyrate
FL/FR
amyl hexanoate
FL/FR
iso
amyl isovalerate
FL/FR
iso
amyl octanoate
FL/FR
berry pentadienoate
FL/FR
butyl isobutyrate
FL/FR
iso
butyl octanoate
FL/FR
iso
butyl propionate
FL/FR
cherry pentenoate
FL/FR
cinnamyl hexanoate
FL/FR
2-
cyclopentyl cyclopentanone
FL/FR
diethyl malonate
FL/FR
dimethyl succinate
FL/FR
ethyl (E)-3-hexenoate
FL/FR
ethyl 2-hexenoate
FL/FR
ethyl 2-octenoate
FL/FR
ethyl 3-acetoxyhexanoate
FL/FR
ethyl acetoacetate
FL/FR
ethyl bicyclo(2.2.1)-5-heptene-2-carboxylate
FL/FR
ethyl levulinate
FL/FR
ethyl methyl-para-tolyl glycidate
FL/FR
(E,E)-
ethyl sorbate
FL/FR
geranyl ethyl ether
FL/FR
geranyl isovalerate
FL/FR
2-
heptyl butyrate
FL/FR
heptyl isobutyrate
FL/FR
hexanal propylene glycol acetal
FL/FR
2-
hexen-1-ol
FL/FR
(E)-3-
hexen-1-yl acetate
FL/FR
(Z)-3-
hexen-1-yl anthranilate
FL/FR
(Z)-3-
hexen-1-yl isobutyrate
FL/FR
hexyl (E)-tiglate
FL/FR
hexyl acetate
FL/FR
hexyl isovalerate
FL/FR
hexyl propionate
FL/FR
hexyl valerate
FL/FR
linalyl hexanoate
FL/FR
methyl 3-nonenoate
FL/FR
methyl heptanoate
FL/FR
methyl octadienoate
FL/FR
methyl valerate
FL/FR
3-
methyl-2-butenal
FL/FR
2-
methyl-2-pentenal
FL/FR
octen-1-yl cyclopentanone
FL/FR
octyl butyrate
FL/FR
2-
pentyl furan
FL/FR
3-
phenyl propyl hexanoate
FL/FR
4-
phenyl-2-butyl acetate
FL/FR
pineapple pentenoate
FL/FR
prenol
FL/FR
prenyl ethyl ether
FL/FR
prenyl hexanoate
FL/FR
iso
propyl 2-methyl butyrate
FL/FR
(E,E)-
sorbyl butyrate
FL/FR
sorbyl butyrate
FL/FR
tetrahydrofurfuryl butyrate
FL/FR
tropical thiazole
FL/FR
tropical trithiane
FL/FR
green
acetaldehyde benzyl 2-methoxyethyl acetal
FL/FR
actinidia chinensis fruit extract
FL/FR
alfalfa oil
FL/FR
alfalfa resinoid
FL/FR
butyl 2-methyl butyrate
FL/FR
butyl heptanoate
FL/FR
sec-
butyl-3-methyl but-2-ene thioate
FL/FR
cognac heptanone
FL/FR
black
currant bud absolute replacer
FL/FR
alpha-
decalactone
FL/FR
3,7-
dimethyl-6-octenoic acid
FL/FR
ethyl (E)-2-hexenoate
FL/FR
ethyl (E)-4-decenoate
FL/FR
green note propionate
FL/FR
(Z)-3-
hepten-1-ol
FL/FR
3-
hepten-2-one
FL/FR
(Z)-3-
hexen-1-ol
FL/FR
(Z)-3-
hexen-1-yl (E)-2-hexenoate
FL/FR
(Z)-3-
hexen-1-yl 2-methyl butyrate
FL/FR
(E)-2-
hexen-1-yl acetate
FL/FR
(Z)-3-
hexen-1-yl acetate
FL/FR
(E)-2-
hexen-1-yl formate
FL/FR
(E)-2-
hexen-1-yl hexanoate
FL/FR
(Z)-3-
hexen-1-yl hexanoate
FL/FR
(Z)-3-
hexen-1-yl isovalerate
FL/FR
(E)-2-
hexen-1-yl propionate
FL/FR
(E)-2-
hexen-1-yl valerate
FL/FR
(Z)-3-
hexen-1-yl valerate
FL/FR
(E)-2-
hexenal propylene glycol acetal
FL/FR
3-
hexenyl acetate
FL/FR
2-
hexenyl acetate
FL/FR
hexyl butyrate
FL/FR
hexyl hexanoate
FL/FR
hexyl isobutyrate
FL/FR
hexyl octanoate
FL/FR
manzanate (Givaudan)
FL/FR
methyl (E)-3-hexenoate
FL/FR
(E)-2-
pentenal
FL/FR
phenoxyethyl isobutyrate
FL/FR
alpha-iso
propyl phenyl acetaldehyde
FL/FR
propylene acetal
FL/FR
sorbyl isobutyrate
FL/FR
(E,E)-
sorbyl isobutyrate
FL/FR
thiogeraniol
FL/FR
3,5,5-
trimethyl hexanol
FL/FR
herbal
(1S,5R)-
myrtenyl acetate
FL/FR
2-
pentyl acetate
FL/FR
tagete oil india
FL/FR
viridiflorol
FL/FR
minty
carvyl acetate
FL/FR
iso
pulegol
FL/FR
(-)-iso
pulegol
FL/FR
spicy
cinnamyl propionate
FL/FR
sulfurous
buchu mercaptan
FL/FR
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
tropical
beta-
cyclocitral
FL/FR
waxy
9-
decenoic acid
FL/FR
(E)-
methyl geranate
FL/FR
octyl 2-methyl butyrate
FL/FR
winey
methyl 3-acetoxyoctanoate
FL/FR
For Flavor
No flavor group found for these
acetaldehyde benzyl 2-methoxyethyl acetal
FL/FR
2-
acetyl-4-isopropenyl pyridine
FL
2-
acetyl-4-isopropyl pyridine
FL
actinidia chinensis fruit juice
FL
allyl levulinate
FL
allyl tiglate
FL
butyl 2-methyl butyrate
FL/FR
iso
butyl octanoate
FL/FR
sec-
butyl-3-methyl but-2-ene thioate
FL/FR
cinnamyl hexanoate
FL/FR
2-
cyclopentyl cyclopentanone
FL/FR
alpha-
decalactone
FL/FR
2,5-
diethyl-4-propyl thiazole
FL
(±)-2,3-
dihydrofarnesol
FL/FR
ethyl 2-(methyl thio) acetate
FL
ethyl 2-hexenoate
FL/FR
ethyl 3-acetoxyhexanoate
FL/FR
ethyl bicyclo(2.2.1)-5-heptene-2-carboxylate
FL/FR
3-(2-
furyl) acrolein
FL
geranyl ethyl ether
FL/FR
(E,E)-2,4-
heptadien-1-ol
FL
(Z)-3-
hepten-1-ol
FL/FR
2-
heptenoic acid
FL
2-
heptyl butyrate
FL/FR
2-
hexenal
FL
(E)-3-
hexenal
FL
2-
hexenal diethyl acetal
FL
(E)-2-
hexenal propylene glycol acetal
FL/FR
(Z)-3-
hexenoic acid
FL
2-
hexenyl acetate
FL/FR
3-
hexenyl acetate
FL/FR
hexyl (E)-2-hexenoate
FL
hexyl nonanoate
FL/FR
hexyl propionate
FL/FR
hexyl valerate
FL/FR
linalyl hexanoate
FL/FR
methyl (E)-2-hexenoate
FL/FR
methyl 2-hexenoate
FL/FR
methyl 3-acetoxyoctanoate
FL/FR
methyl 3-hydroxybutyrate
FL
4-
methyl 4-mercaptopentan-2-one 1% solution
FL/FR
methyl 4-pentenoate
FL
(E)-
methyl geranate
FL/FR
methyl octadienoate
FL/FR
3-(
methyl thio) hexanal
FL
2-
methyl-2-octenal
FL
(E)-2-
methyl-2-octenal
FL
2-
methyl-3-heptanone
FL
3-
methyl-3-pentanol
FL
3-
octyl butyrate
FL
4-
phenyl-2-butyl acetate
FL/FR
prenyl ethyl ether
FL/FR
prenyl hexanoate
FL/FR
alpha-iso
propyl phenyl acetaldehyde
FL/FR
propylene acetal
FL/FR
(E,E)-
sorbyl butyrate
FL/FR
(E,E)-
sorbyl isobutyrate
FL/FR
(E)-
tiglaldehyde
FL/FR
viridiflorol
FL/FR
sorbyl isobutyrate
FL/FR
alliaceous
alliaceous
tropical thiazole
FL/FR
aromatic
para-
cresyl isobutyrate
FL/FR
berry
heptyl isobutyrate
FL/FR
citrus
cognac heptanone
FL/FR
lemongrass oil
FL/FR
litsea cubeba fruit oil
FL/FR
cooling
manzanate (Givaudan)
FL/FR
creamy
2,4-
heptadienal
FL
3-
hepten-2-one
FL/FR
dairy
2-
pentyl acetate
FL/FR
earthy
1-
hexen-3-yl acetate
FL
estery
ethyl acetoacetate
FL/FR
fatty
ethyl (E)-4-decenoate
FL/FR
floral
cinnamyl propionate
FL/FR
citronellyl propionate
FL/FR
dihydrocarvyl acetate
FL/FR
3,7-
dimethyl-6-octenoic acid
FL/FR
(E)-
geranyl acetone
FL/FR
geranyl isobutyrate
FL/FR
(Z)-3-
hexen-1-yl anthranilate
FL/FR
mimosa absolute morocco
FL/FR
fruity
iso
amyl benzoate
FL/FR
amyl hexanoate
FL/FR
iso
amyl octanoate
FL/FR
berry pentadienoate
FL/FR
boronia absolute
FL/FR
butyl heptanoate
FL/FR
butyl isobutyrate
FL/FR
iso
butyl propionate
FL/FR
cherry pentenoate
FL/FR
black
currant bud absolute replacer
FL/FR
diethyl malonate
FL/FR
dimethyl succinate
FL/FR
ethyl (E)-2-hexenoate
FL/FR
ethyl (E)-2-octenoate
FL
ethyl (E)-3-hexenoate
FL/FR
ethyl 2-octenoate
FL/FR
ethyl levulinate
FL/FR
ethyl methyl-para-tolyl glycidate
FL/FR
(E,E)-
ethyl sorbate
FL/FR
furfuryl propionate
FL
2-
heptanol
FL/FR
hexanal propylene glycol acetal
FL/FR
2-
hexen-1-ol
FL/FR
(Z)-3-
hexen-1-yl (E)-2-hexenoate
FL/FR
(E)-3-
hexen-1-yl acetate
FL/FR
(Z)-3-
hexen-1-yl isobutyrate
FL/FR
hexyl acetate
FL/FR
hexyl hexanoate
FL/FR
hexyl lactate
FL/FR
kiwi distillates
FL
methyl (E)-2-octenoate
FL/FR
methyl (E)-3-nonenoate
FL
methyl 3-nonenoate
FL/FR
para-
methyl benzyl acetate
FL/FR
methyl heptanoate
FL/FR
methyl valerate
FL/FR
3-
methyl-2-butenal
FL/FR
2-
methyl-2-pentenal
FL/FR
(Z)-3-
nonen-1-yl acetate
FL
(Z)-5-
octen-1-yl acetate
FL
octen-1-yl cyclopentanone
FL/FR
3-
phenyl propyl hexanoate
FL/FR
pineapple pentenoate
FL/FR
prenol
FL/FR
iso
propyl 2-methyl butyrate
FL/FR
sorbyl butyrate
FL/FR
tetrahydrofurfuryl butyrate
FL/FR
tropical trithiane
FL/FR
green
acetaldehyde dihexyl acetal
FL/FR
actinidia chinensis fruit extract
FL/FR
alfalfa oil
FL/FR
alfalfa resinoid
FL/FR
allyl butyrate
FL/FR
iso
amyl isovalerate
FL/FR
cyclohexyl formate
FL/FR
3-
decen-2-one
FL/FR
dibutyl sulfide
FL/FR
geranyl formate
FL/FR
geranyl isovalerate
FL/FR
green note propionate
FL/FR
(E,E)-2,4-
hexadienal
FL
(Z)-3-
hexen-1-ol
FL/FR
(Z)-3-
hexen-1-yl 2-methyl butyrate
FL/FR
(Z)-3-
hexen-1-yl acetate
FL/FR
(E)-2-
hexen-1-yl acetate
FL/FR
(Z)-3-
hexen-1-yl hexanoate
FL/FR
(E)-2-
hexen-1-yl hexanoate
FL/FR
(Z)-3-
hexen-1-yl isovalerate
FL/FR
(E)-2-
hexen-1-yl propionate
FL/FR
(E)-2-
hexen-1-yl valerate
FL/FR
(Z)-3-
hexen-1-yl valerate
FL/FR
(E)-2-
hexenal diethyl acetal
FL
hexyl (E)-tiglate
FL/FR
hexyl butyrate
FL/FR
hexyl isobutyrate
FL/FR
hexyl isovalerate
FL/FR
hexyl octanoate
FL/FR
methyl (E)-3-hexenoate
FL/FR
methyl 2-undecynoate
FL
papaya isobutyrate
FL/FR
(E)-2-
pentenal
FL/FR
2-
pentyl furan
FL/FR
phenoxyethyl isobutyrate
FL/FR
3,5,5-
trimethyl hexanol
FL/FR
herbal
tagete oil india
FL/FR
minty
carvyl acetate
FL/FR
iso
pulegol
FL/FR
(-)-iso
pulegol
FL/FR
thiogeraniol
FL/FR
pungent
acetaldehyde
FL
rummy
(E)-2-
hexen-1-yl formate
FL/FR
sour
3-
methyl valeric acid
FL
sulfurous
buchu mercaptan
FL/FR
tropical
beta-
cyclocitral
FL/FR
vegetable
2-
methyl valeraldehyde
FL/FR
waxy
iso
amyl butyrate
FL/FR
9-
decenoic acid
FL/FR
mimosa absolute
FL/FR
mimosa absolute france
FL/FR
mimosa absolute india
FL/FR
octyl 2-methyl butyrate
FL/FR
octyl butyrate
FL/FR
whiskey
3-
methyl-1-pentanol
FL/FR
woody
(Z)-
jasmone
FL/FR
(1S,5R)-
myrtenyl acetate
FL/FR
 
Potential Uses:
 fruit tropical fruit
 grass
FLgreen
FLhoney
 
Occurrence (nature, food, other):note
 brassica oleracea var. acephala
Search Trop Picture
 oyster
Search PMC Picture
 
Synonyms:
(3E,5E)-octa-3,5-dien-2-one
(E,E)-octa-3,5-dien-2-one
(3E,5E)-3,5-octadien-2-one
trans,trans-3,5-octadien-2-one
3,5-octadien-2-one, (3E,5E)-
3,5-octadien-2-one, (E,E)-
 
 
Notes:
Used as a food additive [EAFUS]
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