2-methyl-2-octenal
2-octenal, 2-methyl-
 
Notes:
Flavouring ingredient
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2-methyloct-2-enal (Click)
CAS Number: 73757-27-4Picture of molecule
FDA UNII: 964SLD7H63
Nikkaji Web: J1.539.995C
CoE Number: 5126
XlogP3-AA: 3.00 (est)
Molecular Weight: 140.22572000
Formula: C9 H16 O
NMR Predictor: Predict (works with chrome or firefox)
Category: flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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Pubchem Patents: Search
JECFA Food Flavoring: 1217  2-methyl-2-octenal
FEMA Number: 3711  2-methyl-2-octenal
FDA Mainterm: 2-METHYL-2-OCTENAL
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Physical Properties:
Appearance: colorless clear liquid (est)
Food Chemicals Codex Listed: No
Specific Gravity: 0.87200 to 0.88200 @  25.00 °C.
Pounds per Gallon - (est).: 7.256 to  7.339
Refractive Index: 1.44900 to 1.45900 @  20.00 °C.
Boiling Point: 70.00 to  75.00 °C. @ 8.00 mm Hg
Boiling Point: 203.00 to  207.00 °C. @ 760.00 mm Hg
Acid Value: 4.00 max. KOH/g
Vapor Pressure: 0.271000 mm/Hg @ 25.00 °C. (est)
Flash Point: 138.00 °F. TCC ( 58.89 °C. )
logP (o/w): 3.228 (est)
Soluble in:
 alcohol
 water, 183.4 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
 
Odor Type: green
 
Odor Strength: medium ,
recommend smelling in a 10.00 % solution or less
 
 fruity  green  
Odor Description:
at 10.00 % in dipropylene glycol. 
fruity green
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
Axsyn
For experimental / research use only.
2-Octenal, 2-methyl-
Parchem
2-methyl-2-octen-1-al
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
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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: flavoring agents
Recommendation for 2-methyl-2-octenal usage levels up to:
 not for fragrance use.
 
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: 13
Click here to view publication 13
 average usual ppmaverage maximum ppm
baked goods: -1.00000
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: -0.50000
cheese: -1.00000
chewing gum: --
condiments / relishes: -0.50000
confectionery froastings: --
egg products: --
fats / oils: -0.50000
fish products: -0.50000
frozen dairy: -1.50000
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: -1.00000
hard candy: --
imitation dairy: -0.50000
instant coffee / tea: --
jams / jellies: --
meat products: -1.50000
milk products: -0.50000
nut products: -0.50000
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: -0.10000
snack foods: -1.50000
soft candy: --
soups: -1.00000
sugar substitutes: --
sweet sauces: --
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Safety References:
EPI System: View
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 5362580
National Institute of Allergy and Infectious Diseases: Data
 2-methyloct-2-enal
Chemidplus: 0073757274
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References:
 2-methyloct-2-enal
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 5362580
Pubchem (sid): 135118520
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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): HMDB33554
FooDB: FDB011620
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
No odor group found for these
(E)-tiglaldehydeFL/FR
animal
para-cresyl isobutyrateFL/FR
balsamic
isoamyl benzoateFL/FR
 fir carboxylateFR
caramellic
 maltyl isobutyrateFL/FR
citrus
2-heptanolFL/FR
ethereal
2-methyl valeraldehydeFL/FR
fatty
3-decen-2-oneFL/FR
 hexyl pivalateFR
 methyl (E)-2-hexenoateFL/FR
 methyl 2-hexenoateFL/FR
fermented
3-methyl-1-pentanolFL/FR
floral
alpha-amyl cinnamaldehyde diethyl acetalFR
 boronia absoluteFL/FR
 citronellyl propionateFL/FR
gamma-damasconeFR
6,8-dimethyl-2-nonanolFR
(E)-geranyl acetoneFL/FR
 lily propanolFR
 papaya isobutyrateFL/FR
 phenethyl acetateFL/FR
fruity
 acetaldehyde dihexyl acetalFL/FR
 allyl amyl glycolateFR
 allyl butyrateFL/FR
isoamyl butyrateFL/FR
 amyl hexanoateFL/FR
isoamyl isovalerateFL/FR
isoamyl octanoateFL/FR
 berry pentadienoateFL/FR
 butyl isobutyrateFL/FR
isobutyl propionateFL/FR
 cherry pentenoateFL/FR
2-cyclopentyl cyclopentanoneFL/FR
 diethyl malonateFL/FR
 dimethyl succinateFL/FR
 ethyl 2-cyclohexyl propionateFR
 ethyl 2-octenoateFL/FR
 ethyl 3-acetoxyhexanoateFL/FR
 ethyl 3,5,5-trimethyl hexanoateFR
 ethyl acetoacetateFL/FR
 ethyl methyl-para-tolyl glycidateFL/FR
 geranyl isovalerateFL/FR
 geranyl methyl tiglate 
 heptanal cyclic ethylene acetalFR
 heptyl isobutyrateFL/FR
 hexanal propylene glycol acetalFL/FR
2-hexen-1-olFL/FR
(Z)-3-hexen-1-yl 2-methyl-2-pentenoateFR
(E)-3-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl isobutyrateFL/FR
 hexyl (E)-tiglateFL/FR
 hexyl acetateFL/FR
 hexyl isovalerateFL/FR
 hexyl propionateFL/FR
 linalyl hexanoateFL/FR
 methyl 3-nonenoateFL/FR
 methyl heptanoateFL/FR
 methyl valerateFL/FR
 nerolidyl isobutyrateFR
 octen-1-yl cyclopentanoneFL/FR
2-pentyl furanFL/FR
4-phenyl-2-butyl acetateFL/FR
 pineapple pentenoateFL/FR
 prenyl hexanoateFL/FR
isopropyl 2-methyl butyrateFL/FR
 rhubarb undecaneFR
 tetrahydrofurfuryl butyrateFL/FR
 tropical indeneFR
 tropical iononeFL/FR
 tropical thiazoleFL/FR
green
 acetaldehyde benzyl 2-methoxyethyl acetalFL/FR
 acetaldehyde methyl hexyl acetalFR
 butyl 2-methyl butyrateFL/FR
 cognac heptanoneFL/FR
alpha-decalactoneFL/FR
 ethyl (E,Z)-2,4-decadienoateFL/FR
 ethyl (E)-2-hexenoateFL/FR
 ethyl (E)-4-decenoateFL/FR
 green dioxolaneFR
 heptanal dimethyl acetalFL/FR
(Z)-3-hexen-1-yl (E)-2-hexenoateFL/FR
(Z)-3-hexen-1-yl acetateFL/FR
(E)-2-hexen-1-yl acetateFL/FR
(E)-2-hexen-1-yl formateFL/FR
(Z)-3-hexen-1-yl hexanoateFL/FR
(E)-2-hexen-1-yl hexanoateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
(E)-2-hexen-1-yl propionateFL/FR
(Z)-3-hexen-1-yl valerateFL/FR
(E)-2-hexen-1-yl valerateFL/FR
2-hexenyl acetateFL/FR
 hexyl butyrateFL/FR
 hexyl isobutyrateFL/FR
 hexyl octanoateFL/FR
 manzanate (Givaudan)FL/FR
 methyl R-3-acetoxyhexanoate 
1-penten-3-olFL/FR
(E)-2-pentenalFL/FR
 phenoxyethyl isobutyrateFL/FR
alpha-isopropyl phenyl acetaldehydeFL/FR
 propylene acetalFL/FR
 sorbyl isobutyrateFL/FR
 thiogeraniolFL/FR
 violet dienyneFR
herbal
 marigold oil mexicoFL/FR
 tagete oil indiaFL/FR
 tricyclodecyl acetateFR
 viridiflorolFL/FR
sulfurous
 buchu mercaptanFL/FR
 cassis pentanoneFL/FR
 passiflora acetateFL/FR
tropical
beta-cyclocitralFL/FR
 tropical 3-thiobutyrateFL/FR
waxy
9-decenoic acidFL/FR
(E,E)-2,4-dodecadien-1-ol 
(E)-methyl geranateFL/FR
 octyl 2-methyl butyrateFL/FR
woody
 verdoxanFR
 woody acetateFR
 
For Flavor
 
No flavor group found for these
 acetaldehyde benzyl 2-methoxyethyl acetalFL/FR
 allyl tiglateFL
 butyl 2-methyl butyrateFL/FR
2-cyclopentyl cyclopentanoneFL/FR
alpha-decalactoneFL/FR
(E,E)-2,4-dodecadien-1-ol 
 ethyl 3-acetoxyhexanoateFL/FR
 ethyl 3-octenoateFL
(E,E)-2,4-heptadien-1-olFL
2-hexenalFL
2-hexenal diethyl acetalFL
2-hexenyl acetateFL/FR
 hexyl (E)-2-hexenoateFL
 hexyl propionateFL/FR
 linalyl hexanoateFL/FR
 methyl (E)-2-hexenoateFL/FR
 methyl 2-hexenoateFL/FR
 methyl 4-pentenoateFL
(E)-methyl geranateFL/FR
3-methyl-3-pentanolFL
(E,E)-3,5-octadien-2-oneFL
4-phenyl-2-butyl acetateFL/FR
 prenyl hexanoateFL/FR
alpha-isopropyl phenyl acetaldehydeFL/FR
 propylene acetalFL/FR
(E)-tiglaldehydeFL/FR
 viridiflorolFL/FR
 sorbyl isobutyrateFL/FR
alliaceous
 tropical thiazoleFL/FR
aromatic
para-cresyl isobutyrateFL/FR
berry
 heptyl isobutyrateFL/FR
citrus
 cognac heptanoneFL/FR
cooling
 manzanate (Givaudan)FL/FR
earthy
1-hexen-3-yl acetateFL
estery
 ethyl acetoacetateFL/FR
fatty
 ethyl (E)-4-decenoateFL/FR
floral
 citronellyl propionateFL/FR
(E)-geranyl acetoneFL/FR
 tropical iononeFL/FR
fruity
isoamyl benzoateFL/FR
 amyl hexanoateFL/FR
isoamyl octanoateFL/FR
 berry pentadienoateFL/FR
 boronia absoluteFL/FR
 butyl isobutyrateFL/FR
isobutyl propionateFL/FR
 cherry pentenoateFL/FR
 diethyl malonateFL/FR
 dimethyl succinateFL/FR
 ethyl (E)-2-hexenoateFL/FR
 ethyl (E)-2-octenoateFL
 ethyl 2-octenoateFL/FR
 ethyl methyl-para-tolyl glycidateFL/FR
 furfuryl propionateFL
 geranyl methyl tiglate 
2-heptanolFL/FR
 hexanal propylene glycol acetalFL/FR
2-hexen-1-olFL/FR
(Z)-3-hexen-1-yl (E)-2-hexenoateFL/FR
(E)-3-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl isobutyrateFL/FR
 hexyl acetateFL/FR
 methyl (E)-3-nonenoateFL
 methyl 3-nonenoateFL/FR
 methyl heptanoateFL/FR
 methyl valerateFL/FR
 octen-1-yl cyclopentanoneFL/FR
 pineapple pentenoateFL/FR
isopropyl 2-methyl butyrateFL/FR
 tetrahydrofurfuryl butyrateFL/FR
green
 acetaldehyde dihexyl acetalFL/FR
 allyl butyrateFL/FR
isoamyl isovalerateFL/FR
 cassis pentanoneFL/FR
3-decen-2-oneFL/FR
 ethyl (E,Z)-2,4-decadienoateFL/FR
 geranyl isovalerateFL/FR
 heptanal dimethyl acetalFL/FR
(E)-2-hexen-1-yl acetateFL/FR
(Z)-3-hexen-1-yl acetateFL/FR
(E)-2-hexen-1-yl hexanoateFL/FR
(Z)-3-hexen-1-yl hexanoateFL/FR
(Z)-3-hexen-1-yl isovalerateFL/FR
(E)-2-hexen-1-yl propionateFL/FR
(Z)-3-hexen-1-yl valerateFL/FR
(E)-2-hexen-1-yl valerateFL/FR
(E)-2-hexenal diethyl acetalFL
 hexyl (E)-tiglateFL/FR
 hexyl butyrateFL/FR
 hexyl isobutyrateFL/FR
 hexyl isovalerateFL/FR
 hexyl octanoateFL/FR
 methyl 2-undecynoateFL
 methyl R-3-acetoxyhexanoate 
 papaya isobutyrateFL/FR
1-penten-3-olFL/FR
(E)-2-pentenalFL/FR
2-pentyl furanFL/FR
 phenoxyethyl isobutyrateFL/FR
herbal
 marigold oil mexicoFL/FR
 tagete oil indiaFL/FR
honey
 phenethyl acetateFL/FR
jammy
 maltyl isobutyrateFL/FR
minty
 thiogeraniolFL/FR
rummy
(E)-2-hexen-1-yl formateFL/FR
sour
3-methyl valeric acidFL
sulfurous
 buchu mercaptanFL/FR
 methyl 2-(methyl thio) butyrateFL
 methyl thiomethyl butyrateFL
 tropical 3-thiobutyrateFL/FR
tropical
beta-cyclocitralFL/FR
 passiflora acetateFL/FR
vegetable
2-methyl valeraldehydeFL/FR
waxy
isoamyl butyrateFL/FR
9-decenoic acidFL/FR
 octyl 2-methyl butyrateFL/FR
whiskey
3-methyl-1-pentanolFL/FR
 
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Potential Uses:
 fruit 
 greenFL
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
2-methyl-2-octen-1-al
2-methyloct-2-enal
2-octenal, 2-methyl-
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Articles:
 None found yet.
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