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General Material Information

Preferred name isopulegone
Trivial Name Isopulegone
Short Description p-menth-8-en-3-one
Formula C10 H16 O
CAS Number 29606-79-9
FEMA Number 2964
Flavis Number 7.067
ECHA Number 249-725-6
FDA UNII 681XD66YSR
Nikkaji Number J2.365.190D
COE Number 2051
xLogP3-AA 2.80 (est)
NMR Predictor External link
JECFA Food Flavoring 754 isopulegone
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 29606-79-9 ; ISOPULEGONE
Synonyms
  • cyclohexanone, 2-isopropylideno-5-methyl-
  • cyclohexanone, 5-methyl-2-(1-methylethenyl)-
  • p- menth-8-en-3-one
  • para- menth-8-en-3-one
  • delta-8,9-p- menthen-3-one
  • delta-8,9-para- menthen-3-one
  • 8(9)-p- menthen-3-one, d-
  • trans-5-methyl-2-(1-methyl vinyl) cyclohexan-1-one
  • trans-5-methyl-2-(1-methylethenyl)cyclohexanone
  • trans-5-methyl-2-(1-methylvinyl)cyclohexan-1-one
  • 5-methyl-2-(prop-1-en-2-yl)cyclohexan-1-one
  • 5-methyl-2-(prop-1-en-2-yl)cyclohexanone
  • 5-methyl-2-prop-1-en-2-ylcyclohexan-1-one
  • 1-methyl-4-isopropenyl-3-cyclohexanone
  • 1-iso propyl-4-methyl-2-cyclohexanone
  • iso pulegon
  • (+)-cis-iso pulegone
  • 2R,5S-iso pulegone
  • 5-methyl-2-prop-1-en-2-ylcyclohexan-1-one
  • Cyclohexanone, 5-methyl-2-(1-methylethenyl)-, (2R,5S)-rel-
  • p-Menth-8-en-3-one, trans-
  • Cyclohexanone, 5-methyl-2-(1-methylethenyl)-, trans-
  • rel-(2R,5S)-5-Methyl-2-(1-methylethenyl)cyclohexanone
  • trans-Isopulegone
  • Isopulegon

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

5-methyl-2-prop-1-en-2-ylcyclohexan-1-one
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:29606-79-9
Pubchem (cid):34645
Pubchem (sid):134996316
Publications by PubMed
Effect of different growth stages of Ziziphora clinopodioides Lam. on its chemical composition.
Is differential use of Juniperus monosperma by small ruminants driven by terpenoid concentration?
Chemical composition of the essential oils of variegated pink-fleshed lemon (Citrus x limon L. Burm. f.) and their anti-inflammatory and antimicrobial activities.
Chemical composition and biological evaluation of essential oils of Pulicaria jaubertii.
[A new monoterpenoid glucoside from the twigs of Chamaecyparis obtusa var. breviramea f. crippsii].
Chemical composition and antibacterial activity of the essential oil from Mentha requienii Bentham.
Chemical composition and biological assays of essential oils of Calamintha nepeta (L.) Savi subsp. nepeta (Lamiaceae).
Chemical composition, antimicrobial and antioxidant activities of the essential oil of Tibetan herbal medicine Dracocephalum heterophyllum Benth.
Genetic variability in Hesperozygis ringens Benth. (Lamiaceae), an endangered aromatic and medicinal plant of southern Brazil.
Essential oil composition, antibacterial and antioxidant activity of the oil and various extracts of Ziziphora clinopodioides subsp. rigida (BOISS.) RECH. f. from Iran.
New monoterpenes from Mentha microphylla.
Monoterpene double-bond reductases of the (-)-menthol biosynthetic pathway: isolation and characterization of cDNAs encoding (-)-isopiperitenone reductase and (+)-pulegone reductase of peppermint.
Transformation of a monoterpene ketone, (R)-(+)-pulegone, a potent hepatotoxin, in Mucor piriformis.
Metabolic fate of S-(-)-pulegone in rat.
Biotransformations of R-(+)-pulegone and menthofuran in vitro: chemical basis for toxicity.
The Essential Oil of Poliomintha incana.
Metabolism of monoterpenes: demonstration that (+)-cis-isopulegone, not piperitenone, is the key intermediate in the conversion of (-)-isopiperitenone to (+)-pulegone in peppermint (Mentha piperita).
Microbial transformations of some monoterpenoids and sesquiterpenoids.

Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
CHEBI:View
HMDB (The Human Metabolome Database):Search
FooDB:FDB014368
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 152.23672485352
Specific gravity @ 25 °C
Pounds per Gallon 7.697 to 7.755
Refractive Index 1.465 to 1.473 @ 20 °C
Boiling Point 101 to 102°C @ 17 mm Hg
Vapor Pressure 0.14 mmHg @ 25 °C
Flash Point TCC Value 79.44 °C TCC
logP (o/w) 2.408 est
Solubility
alcohol Yes
water, slightly Yes
water, 266.2 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Minty
peppermint, fresh, herbal
General comment At 100.00 %. peppermint fresh herbal

Occurrences

Potential Uses

Applications
Odor purposes Herbal, Mint, Pepper, Peppermint

Safety Information

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:
intravenous-dog LDLo 450 mg/kg
VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION CARDIAC: CHANGE IN RATE
Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 236, Pg. 633, 1953.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for isopulegone usage levels up to:
1.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 0.01 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 2500 (μg/person/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: 3
Click here to view publication 3
average usual ppmaverage maximum ppm
baked goods: -16.00000
beverages(nonalcoholic): -4.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -12.00000
fruit ices: -12.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -16.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 6.4000011.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): --
Edible ices, including sherbet and sorbet (03.0): --
Processed fruit (04.1): --
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 9.5000012.00000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): --
Bakery wares (07.0): 6.100007.00000
Meat and meat products, including poultry and game (08.0): 11.0000015.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): --
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): --
Foodstuffs intended for particular nutritional uses (13.0): --
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): --
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): --
Ready-to-eat savouries (15.0): --
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): --

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):

Flavouring Group Evaluation 57 (FGE.57)[1]: Consideration of two structurally related pulegone metabolites and one ester thereof evaluated by JECFA (55th meeting)
View page or View pdf

Statement on List of Representative Substances for Testing. The current Statement lays down a list of substances in sub-groups with representative substances for which additional data are required prior to their evaluation through the Procedure (Regulation (EC) No 1565/2000).
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 57, Revision 1 (FGE.57Rev1): consideration of isopulegone and three flavouring substances evaluated by JECFA (55th meeting)
View page or View pdf

Safety and efficacy of oct-1-en-3-ol, pent-1-en-3-ol, oct-1-en-3-one, oct-1-en-3-yl acetate, isopulegol and 5-methylhept-2-en-4-one, belonging to chemical group 5 and of isopulegone and a-damascone belonging to chemical group 8 when used as flavourings for all animal species
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :34645
National Institute of Allergy and Infectious Diseases:Data
5-methyl-2-prop-1-en-2-ylcyclohexan-1-one
Chemidplus:0029606799