nutty cyclohexenone
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IUPAC name :3-methylcyclohex-2-en-1-one
InChI :InChI=1/C7H10O/c1-6-3-2-4-7(8)5-6/h5H,2-4H2,1H3
InChIKey :IITQJMYAYSNIMI-UHFFFAOYAM
SMILES :CC1=CC(=O)CCC1
cas number :1193-18-6
(EINECS) number :214-769-7
beilstein number :1560601
fema number :3360
coe number :11134
jecfa number :1107
fl. number :07.098
molar refractivity :32.10 ± 0.3 cm3
parachor :269.7 ± 6.0 cm3
index of refraction :1.474 ± 0.02
surface tension :31.1 ± 3.0 dyne/cm
density :0.964 ± 0.06 g/cm3
polarizability :12.72 ± 0.5 10-24cm3
XlogP : 0.80
molecular weight : 110.1537000
formula :C7 H10 O
NMR Predictor :Predict
 
 
export tariff code :2914.29.0000
fda reg :unspecified

Suppliers :
Bedoukian Research :3-METHYL-2-CYCLOHEXENONE
≥98.0%
Odor:  powerful, nutty, caramel-like
Gainworld :3-methyl-2-cyclohexen-1-one
Penta :3-methyl-2-cyclohexen-1-one
Sigma-Aldrich-SAFC :3-Methyl-2-cyclohexen-1-one
≥98%, Kosher
Odor:  caramel; cherry; medicinal; nutty

organoleptics :
odor type :nutty
odor strength :high ,
recommend smelling in a 1.00 % solution or less
odor description :
at 1.00 % in dipropylene glycol.  
nut caramel phenolic cherry

properties :
appearence :colorless to yellow clear liquid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.96700 to 0.97200 @ 25.00 °C.
pounds per gallon - calc. : 8.046 to 8.088
refractive index :1.49000 to 1.49800 @ 20.00 °C.
boiling point : 199.00 to 200.00 °C. @ 760.00 mm Hg
boiling point : 78.00 to 79.00 °C. @ 12.00 mm Hg
vapor pressure :4.20000 mm/Hg @ 25.00 °C.
vapor density :>1 ( Air = 1 )
flash point : 165.00  °F.  TCC  ( 73.89 °C. )
logP (o/w) : 1.04

safety :
most important hazard(s) :Xn - Harmful.
  R 22 - Harmful if swallowed.
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
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 37/39 - Wear suitable gloves and eye/face protection.
Oral Toxicity(LD50) :
  Oral-Mouse    1600.00  mg/kg
Journal of Agricultural and Food Chemistry. Vol. 35, Pg. 273, 1987.

Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :0.10 (μg/capita/day)
Structure Class :II
 
recommendation for nutty cyclohexenone usage levels up to :
  0.5000 % in the fragrance concentrate.
recommendation for nutty cyclohexenone usage levels up to :
  0.2000 ppm in the flavor.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :3
 
 
 
 3-methylcyclohex-2-en-1-one
(EINECS) number :214-769-7
RTECS :GW7340000 for 1193-18-6
chemidplus :001193186
EPA Substance Registry Services :1193-18-6
dtp/nci :43632

references :
 3-methylcyclohex-2-en-1-one
fl. number :07.098
jecfa number :1107
NIST Chemistry WebBook :3748107743
pubchem :157786

other :
VCF-Online: VCF Volatile Compounds in Food
synonyms :
3-methyl cyclohex-2-en-1-one
3-methyl-2-cyclohexen-1-one
3-methyl-2-cyclohexenone
3-methylcyclohex-2-en-1-one
 seudenone

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 acetyl acetaldehyde dimethyl acetal
2-acetyl furan
 acetyl propionyl
2-acetyl pyrazine
3-acetyl pyridine
2-acetyl pyrrole
 acetyl pyrroline
2-acetyl thiazole
2-acetyl-2-thiazoline
5-acetyl-2,3-dihydro-1,4-thiazine
3-acetyl-2,5-dimethyl furan
2-acetyl-3-ethyl pyrazine
2-acetyl-3-methyl pyrazine
2-acetyl-3,5-dimethyl pyrazine
2-acetyl-5-methyl furan
isoamyl nonanoate
isoamyl phenyl acetate
alpha-angelica lactone
para-anisaldehyde
para-anisyl alcohol
 beeswax absolute
 bornyl isobutyrate
 boronia butenal
isobutyl cinnamate
 butyrophenone
 caramel furanone
 cassia bark oil
 chocolate pyrazine A
 clove bud oil
3,6-cocoa pyrazine
 coconut absolute
 coffee furanone
 coumane
para-cresyl laurate
 cyclohexyl methyl pyrazine
 diacetyl
 dicyclohexyl disulfide
2,5-diethyl thiazole
3,5-diethyl-2-methyl pyrazine
2,5-diethyl-3-methyl pyrazine
2,5-diethyl-4-methyl thiazole
 difurfuryl ether
6,7-dihydro-2,3-dimethyl-5H-cyclopentapyrazine
 dimethyl dihydrocyclopentapyrazine
2,3-dimethyl pyrazine
2,6-dimethyl pyridine
2,5-dimethyl thiazole
4,5-dimethyl thiazole
2,5-dimethyl thiophene
2,4-dimethyl-5-vinyl thiazole
 ethyl 2-hydroxy-2-methyl butyrate
 ethyl cinnamate
 ethyl phenyl acetate
2-ethyl pyrazine
 ethyl vanillin
1-ethyl-2-acetyl pyrrole
5-ethyl-2-methyl pyridine
2-ethyl-3-methoxypyrazine
2-ethyl-4-methyl thiazole
(Z+E)-5-ethyl-4-methyl-2-(2-butyl) thiazoline
(Z+E)-5-ethyl-4-methyl-2-(2-methyl propyl) thiazoline
 filbert heptenone
 filbert pyrazine
 furfuryl thioacetate
3-(2-furyl) acrolein
 hazelnut oleoresin
 hazelnut pyrazine
(E,E)-2,4-heptadien-1-ol
gamma-heptalactone
2-heptyl furan
2,4-hexadien-1-ol
3,4-hexane dione
2-hexyl-5 or 6-keto-1,4-dioxane
4-hydroxybenzoic acid
 immortelle absolute
 maltol
 maraniol
 menthofuran
2-methoxypyrazine
2-methyl anisole
para-methyl anisole
2-methyl butyraldehyde
alpha-methyl cinnamaldehyde
 methyl cinnamate
 methyl cyclopentenolone
2-methyl pyrazine
2-methyl quinoxaline
5-methyl quinoxaline
4-methyl thiazole
2-methyl thio-3,5 or 6-methyl pyrazine
2-(methyl thio) acetaldehyde
 methyl valerate
3-methyl-2-buten-1-al
2-methyl-3-(methyl thio) pyrazine
2-methyl-3-propyl pyrazine
2-methyl-3,(5 or 6)-ethoxypyrazine
2-methyl-5-isopropyl pyrazine
(E,E)-2,4-nonadien-1-al
gamma-nonalactone
 nutty quinoxaline
 nutty thiazole
gamma-octalactone
(Z)-2-octen-1-al
 peanut dithiazine
 peanut oxazole
 phenyl acetic acid
2-phenyl propionaldehyde dimethyl acetal
3-phenyl propyl alcohol
2-propionyl thiazole
2-propionyl-2-thiazoline
 propyl benzoate
isopropyl pyrazine
2-propyl pyridine
 saffron pyranone
 shoyu pyrazine
 strawberry furanone
 sulfuryl butyrate
 sulfuryl decanoate
 sulfuryl formate
 sulfuryl hexanoate
 sulfuryl isobutyrate
 sulfuryl octanoate
 sulfuryl propionate
2,3,5,6-tetramethyl pyrazine
 tobacco butenal
 tonka bean absolute
 tonka bean resinoid
2,3,5-trimethyl pyrazine
 valeraldehyde
 valeraldehyde dibutyl acetal
 valeraldehyde propylene glycol acetal
 vanilla absolute
 vanillyl acetate
2-vinyl pyrazine
 vinyl sulfurol
 whiskey lactone

(odor and/or flavor) used in :
 bread
 caramel
 clam
 coffee
 nut hazelnut
 nut walnut
 rice

natural occurrence in :
clam
coffee
filbert
katsuobushi
mentha pulegium oil
rice wild rice



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