(Z)-2-octenal
(Z)-oct-2-enal
 
Notes:
Flavouring compound [Flavornet]
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CAS Number: 20664-46-4Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 243-954-5
FDA UNII: 4KO8L0782M
Nikkaji Web: J270.932E
XlogP3-AA: 2.60 (est)
Molecular Weight: 126.19878000
Formula: C8 H14 O
NMR Predictor: Predict (works with chrome or firefox)
Category: natural substances and extractives
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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Physical Properties:
Appearance: colorless to pale yellow clear liquid (est)
Assay: 92.00 to 100.00 % 
Food Chemicals Codex Listed: No
Boiling Point: 189.00 to  190.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.552000 mmHg @ 25.00 °C. (est)
Flash Point: 150.00 °F. TCC ( 65.56 °C. )
logP (o/w): 2.638 (est)
Soluble in:
 alcohol
 water, 612.7 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
 
Odor Type: fatty
 
Odor Strength: high ,
recommend smelling in a 1.00 % solution or less
 
 fatty  fruity  green  leafy  walnut  
Odor Description:
at 1.00 % in propylene glycol. 
fatty fruity green leaf walnut
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
 None found
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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: natural substances and extractives
Recommendation for (Z)-2-octenal usage levels up to:
 not for fragrance use.
 
Recommendation for (Z)-2-octenal flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
EPA Substance Registry Services (TSCA): 20664-46-4
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 6427080
National Institute of Allergy and Infectious Diseases: Data
 (Z)-oct-2-enal
Chemidplus: 0020664464
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References:
 (Z)-oct-2-enal
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 6427080
Pubchem (sid): 135046402
Flavornet: 20664-46-4
Pherobase: View
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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
HMDB (The Human Metabolome Database): Search
FooDB: FDB029664
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
 sulfuryl octanoateFL/FR
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 sulfuryl propionateFL/FR
 valeraldehyde dibutyl acetalFL/FR
 valeraldehyde propylene glycol acetalFL/FR
balsamic
 propyl benzoateFL/FR
bready
 coffee furanoneFL/FR
buttery
 acetyl propionylFL/FR
3,4-hexane dioneFL/FR
camphoreous
 bornyl isobutyrateFL/FR
caramellic
 ethyl 2-hydroxy-2-methyl butyrateFL/FR
chocolate
 chocolate pyrazine AFL/FR
2,5-dimethyl pyrazineFL/FR
2-methoxypyrazineFL/FR
2-methyl butyraldehydeFL/FR
citrus
 petitgrain combava oilFR
coconut
alpha-angelica lactoneFL/FR
gamma-heptalactoneFL/FR
 popcorn pyrimidineFL/FR
coumarinic
 coumaneFL/FR
 tonka bean resinoidFR
earthy
2-ethyl-3-methoxypyrazineFL/FR
ethereal
 acetalFL/FR
fatty
 coconut absoluteFL/FR
fermented
 valeraldehydeFL/FR
floral
 allyl anthranilateFL/FR
 boronia butenalFR
para-cresyl laurateFL/FR
ortho-methyl acetophenoneFL/FR
fruity
 allyl 2-ethyl butyrateFL/FR
isoamyl nonanoateFL/FR
(E)-2-hexen-1-olFL/FR
2-hexen-1-olFL/FR
 methyl valerateFL/FR
3-methyl-2-butenalFL/FR
 tropical thiazoleFL/FR
green
 acetaldehyde butyl phenethyl acetalFL/FR
 acetaldehyde di-(Z)-3-hexen-1-yl acetalFL/FR
 acetaldehyde ethyl phenethyl acetalFL/FR
3,5,6-neocyclocitralFR
 galbanum oil terpenelessFL/FR
 geranium absoluteFL/FR
 heptyl cinnamateFL/FR
2-heptyl furanFL/FR
3-hexen-1-olFL/FR
(Z)-2-hexen-1-olFL/FR
(E)-2-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl benzoateFL/FR
(Z)-3-hexen-1-yl lactateFL/FR
(Z)-3-hexen-1-yl methyl carbonateFL/FR
3-hexenalFL/FR
 hexoxyacetaldehyde dimethyl acetalFR
(Z)-leaf acetalFL/FR
 leafy acetalFL/FR
 methyl heptine carbonateFL/FR
(E,Z)-2,6-nonadien-1-yl acetateFL/FR
 octanal dimethyl acetalFL/FR
(Z)-5-octen-1-yl propionateFL/FR
3-phenyl propionaldehydeFL/FR
isopropyl phenyl propionaldehydeFR
 rose leaf absolute (rosa centifolia)FL/FR
 styralyl acetateFL/FR
 tiglaldehydeFL/FR
herbal
sweet basil absoluteFL/FR
 herbal heptaneFR
 rosemary oleoresinFL/FR
 saffron pyranoneFR
isopulegyl formateFL/FR
musty
2-acetyl pyrroleFL/FR
3-acetyl-2,5-dimethyl furanFL/FR
 hazelnut pyrazineFL/FR
 menthofuranFL/FR
naphthyl
para-methyl anisoleFL/FR
ortho-methyl anisoleFL/FR
nutty
3-acetyl pyridineFL/FR
2-acetyl-3-ethyl pyrazineFL/FR
2-acetyl-3-methyl pyrazineFL/FR
2-acetyl-3,5-dimethyl pyrazineFL/FR
2-acetyl-5-methyl furanFL/FR
3,6-cocoa pyrazineFL/FR
3,5-cocoa pyrazineFL/FR
2,3-dimethyl pyrazineFL/FR
4,5-dimethyl-2-ethyl-3-thiazolineFL/FR
2-ethyl pyrazineFL/FR
2-ethyl-4-methyl thiazoleFL/FR
 filbert heptenoneFL/FR
 filbert pyrazineFL/FR
2,6-lutidineFL/FR
 maraniolCS
2-methyl pyrazineFL/FR
5-methyl quinoxalineFL/FR
2-methyl thio-3,5 or 6-methyl pyrazineFL/FR
2-methyl-3-(methyl thio) pyrazineFL/FR
2-methyl-3-ethoxypyrazineFL/FR
2-methyl-3-propyl pyrazineFL/FR
 nutty cyclohexenoneFL/FR
 nutty quinoxalineFL/FR
ortho-salicylic acidCS
 shoyu pyrazineFL/FR
2,3,5,6-tetramethyl pyrazineFL/FR
2,4,5-trimethyl oxazoleFL/FR
2,3,5-trimethyl pyrazineFL/FR
 vinyl sulfurolFL/FR
popcorn
2-acetyl pyrazineFL/FR
2-acetyl thiazoleFL/FR
roasted
2-acetyl-2-pyrroline 
spicy
3-(2-furyl) acroleinFL/FR
sulfurous
 benzothiazoleFL/FR
 furfuryl thioacetateFL/FR
tobacco
 veltonal (Bedoukian)FR
tonka
 coumarinFR
 tonka bean absoluteFR
 whiskey lactoneFL/FR
woody
 sandalwood oilFL/FR
 
For Flavor
 
No flavor group found for these
 acetaldehyde di-(Z)-3-hexen-1-yl acetalFL/FR
 acetyl acetaldehyde dimethyl acetalFL
2-acetyl-2-pyrroline 
 allyl anthranilateFL/FR
 bornyl isobutyrateFL/FR
 butyramideFL
 chocolate pyrazine AFL/FR
 chocolate pyrazine BFL
 coumaneFL/FR
 cyclohexyl methyl pyrazineFL
2,5-diethyl thiazoleFL
2,5-diethyl-4-methyl thiazoleFL
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazineFL
 dimethyl dihydrocyclopentapyrazineFL
2,5-dimethyl thiazoleFL
 ethyl 2-hydroxy-2-methyl butyrateFL/FR
2-ethyl-3-methoxypyrazineFL/FR
(Z+E)-5-ethyl-4-methyl-2-(2-butyl) thiazolineFL
(Z+E)-5-ethyl-4-methyl-2-(2-methyl propyl) thiazolineFL
3-(2-furyl) acroleinFL/FR
(E,E)-2,4-heptadien-1-olFL
 heptyl cinnamateFL/FR
3-hexen-1-olFL/FR
2-hexenalFL
(E)-2-hexenalFL
2-hexyl-5 or 6-keto-1,4-dioxaneFL
2-methoxypyrazineFL/FR
 methyl 2-(methyl thio) acetateFL
2-methyl-3-(methyl thio) pyrazineFL/FR
2-methyl-3-ethoxypyrazineFL/FR
3-methyl-3-pentanolFL
 peanut dithiazineFL
2-propyl pyridineFL
isopulegyl formateFL/FR
 pyrazines mixtureFL
 pyrroleFL
para-salicylic acidFL
 sulfuryl butyrateFL/FR
 sulfuryl decanoateFL/FR
 sulfuryl hexanoateFL/FR
 sulfuryl isobutyrateFL/FR
 thiazoleFL
 valeraldehyde propylene glycol acetalFL/FR
5-acetyl-2,3-dihydro-1,4-thiazineFL
 sulfuryl formateFL
 sulfuryl octanoateFL/FR
 sulfuryl propionateFL/FR
 valeraldehyde dibutyl acetalFL/FR
alliaceous
2-methyl thioacetaldehydeFL
 tropical thiazoleFL/FR
anisic
ortho-methyl acetophenoneFL/FR
aromatic
 leafy acetalFL/FR
bready
2-propionyl thiazoleFL
burnt
2-methyl quinoxalineFL
2,4,5-trimethyl oxazoleFL/FR
buttery
 butyroinFL
3,4-hexane dioneFL/FR
camphoreous
ortho-methyl anisoleFL/FR
coffee
 difurfuryl etherFL
2-ethyl-4-methyl thiazoleFL/FR
2-isopropyl pyrazineFL
corn chip
2-acetyl thiazoleFL/FR
2-acetyl-2-thiazolineFL
 popcorn pyrimidineFL/FR
creamy
alpha-angelica lactoneFL/FR
earthy
2-methyl-3-propyl pyrazineFL/FR
ethereal
 allyl 2-ethyl butyrateFL/FR
fatty
 coconut absoluteFL/FR
(E,E)-2,4-decadienalFL
2-heptyl furanFL/FR
(Z)-3-hexen-1-yl benzoateFL/FR
(E,E)-2,4-nonadienalFL
fishy
4,5-dimethyl thiazoleFL
fruity
2,4-hexadien-1-olFL
2-hexen-1-olFL/FR
 methyl valerateFL/FR
3-methyl-2-butenalFL/FR
 propyl benzoateFL/FR
 styralyl acetateFL/FR
 tiglaldehydeFL/FR
fusel
2-methyl butyraldehydeFL/FR
green
 acetaldehyde butyl phenethyl acetalFL/FR
 acetaldehyde ethyl phenethyl acetalFL/FR
 dihydroxyacetophenone (mixed isomers)FL
2,5-dimethyl thiopheneFL
 galbanum oil terpenelessFL/FR
 geranium absoluteFL/FR
(Z)-2-hexen-1-olFL/FR
(E)-2-hexen-1-olFL/FR
(E)-2-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl lactateFL/FR
(Z)-3-hexen-1-yl methyl carbonateFL/FR
3-hexenalFL/FR
(Z)-leaf acetalFL/FR
 methyl heptine carbonateFL/FR
4-methyl thiazoleFL
2-methyl-5-isopropyl pyrazineFL
(E,Z)-2,6-nonadien-1-yl acetateFL/FR
 octanal dimethyl acetalFL/FR
(Z)-5-octen-1-yl propionateFL/FR
3-phenyl propionaldehydeFL/FR
 rose leaf absolute (rosa centifolia)FL/FR
2-vinyl pyrazineFL
herbal
sweet basil absoluteFL/FR
 rosemary oleoresinFL/FR
lactonic
gamma-heptalactoneFL/FR
meaty
 benzothiazoleFL/FR
musty
2,5-dimethyl pyrazineFL/FR
2-ethoxythiazoleFL
 hazelnut pyrazineFL/FR
 menthofuranFL/FR
 propionaldehydeFL
 shoyu pyrazineFL/FR
2,3,5-trimethyl pyrazineFL/FR
naphthyl
para-methyl anisoleFL/FR
nutty
 acetalFL/FR
3-acetyl pyridineFL/FR
2-acetyl pyrroleFL/FR
3-acetyl-2,5-dimethyl furanFL/FR
2-acetyl-3-ethyl pyrazineFL/FR
2-acetyl-3-methyl pyrazineFL/FR
2-acetyl-3,5-dimethyl pyrazineFL/FR
2-acetyl-5-methyl furanFL/FR
 aconitic acidFL
3,6-cocoa pyrazineFL/FR
3,5-cocoa pyrazineFL/FR
 coffee furanoneFL/FR
3,5-diethyl-2-methyl pyrazineFL
2,5-diethyl-3-methyl pyrazineFL
2,3-dimethyl pyrazineFL/FR
4,5-dimethyl-2-ethyl-3-thiazolineFL/FR
2,4-dimethyl-5-vinyl thiazoleFL
2-ethyl pyrazineFL/FR
1-ethyl-2-acetyl pyrroleFL
 filbert heptenoneFL/FR
 filbert pyrazineFL/FR
european hazelnut oleoresinFL
2,6-lutidineFL/FR
2-methyl pyrazineFL/FR
5-methyl quinoxalineFL/FR
2-methyl thio-3,5 or 6-methyl pyrazineFL/FR
 nutty cyclohexenoneFL/FR
 nutty quinoxalineFL/FR
 nutty thiazoleFL
 peanut oxazoleFL
2,3,5,6-tetramethyl pyrazineFL/FR
 vinyl sulfurolFL/FR
popcorn
2-propionyl-2-thiazolineFL
roasted
2-acetyl pyrazineFL/FR
 furfuryl thioacetateFL/FR
toasted
 acetyl propionylFL/FR
waxy
para-cresyl laurateFL/FR
winey
isoamyl nonanoateFL/FR
5-ethyl-2-methyl pyridineFL
 valeraldehydeFL/FR
 sandalwood oilFL/FR
 whiskey lactoneFL/FR
 
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Potential Uses:
 almondFL
 cashewFL
 chestnut blossomFR
 filbertFR
 green leafFR
 hazelnutFR
 ivyFR
 leaf 
 macadamiaFL
 nutFL
 nut roasted nutFL
 peanutFL
 peanut butterFL
 pecanFL
 pistachioFL
 pralineFL
 rose leafFL/FR
 sesameFL
 tomato leafFR
 violet leafFR
 walnutFL
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Occurrence (nature, food, other): note
 coffee green coffee
Search  PMC Picture
 hazelnut
Search Trop  Picture
 whitefish
Search  Picture
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Synonyms:
(Z)-oct-2-en-1-al
(Z)-oct-2-enal
(Z)-2-octen-1-al
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