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General Material Information

Preferred name estragole
Trivial Name Estragole
Short Description p-methoxyallylbenzene
Formula C10 H12 O
CAS Number 140-67-0
Deleted CAS Number 1407-27-8
FEMA Number 2411
ECHA Number 205-427-8
FDA UNII 9NIW07V3ET
Nikkaji Number J5.794K
Beilstein Number 1099454
MDL MFCD00008653
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 1789 estragole
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 140-67-0 ; ESTRAGOLE
Synonyms
  • 4-allyl anisole
  • p- allyl anisole
  • para- allyl anisole
  • p- allyl methoxybenzene
  • para- allyl methoxybenzene
  • 4-allyl-1-methoxybenzene
  • 1-allyl-4-methoxybenzol
  • 4-allylanisole
  • p- allylanisole
  • para- allylanisole
  • 4-allylphenyl methyl ether
  • iso anethole
  • benzene, 1-methoxy-4-(2-propen-1-yl)-
  • benzene, 1-methoxy-4-(2-propenyl)-
  • chavicol methyl ether
  • chavicyl methyl ether
  • esdragol
  • esdragon
  • estragol (ex star anise)
  • estragol nat
  • estragole (natural)
  • estragole extra FCC (natural)
  • estragole FCC
  • estragole natural
  • estragole natural isolate
  • estragole spain, natural isolated constituent
  • 1-methoxy-4-(2-propen-1-yl) benzene
  • 1-methoxy-4-(2-propen-1-yl)benzene
  • 1-methoxy-4-(2-propenyl)benzene
  • 1-methoxy-4-(prop-2-en-1-yl)benzene
  • 1-methoxy-4-prop-2-enylbenzene
  • para- methoxyallyl benzene
  • p- methoxyallylbenzene
  • 3-(para- methoxyphenyl) propene
  • 3-(4-methoxyphenyl)-1-propene
  • 3-(p- methoxyphenyl)propene
  • methyl chavicol
  • methyl chavicol ex anise
  • methyl chavicol ex basil
  • methyl chavicol natural
  • methyl chavicol, natural
  • methyl chavicol, synthetic
  • methylchavicol
  • 1-methoxy-4-prop-2-enylbenzene
  • Anisole, p-allyl-
  • Ether, p-allylphenyl methyl
  • 1-Methoxy-4-(2-propen-1-yl)benzene
  • p-Allylanisole
  • Isoanethole
  • p-Methoxyallylbenzene
  • Chavicol, O-methyl-
  • Esdragole
  • 4-Methoxyallylbenzene
  • 4-Allylanisole
  • 3-(p-Methoxyphenyl)propene
  • Estragol
  • 4-Allylmethoxybenzene
  • 1-Allyl-4-methoxybenzene
  • Chavicol, methyl-
  • 1-Methoxy-4-(2-propenyl)benzene
  • p-Allylphenyl methyl ether
  • 3-(p-Methoxyphenyl)-1-propene
  • 3-(4-Methoxyphenyl)-1-propene
  • NSC 404113
  • O-Methylchavicol
  • Estragenole
  • AUSTL 21320
  • Esteragol
  • 3-(4-Methoxyphenyl)propene

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Literature & References

1-methoxy-4-prop-2-enylbenzene
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:140-67-0
Pubchem (cid):8815
Pubchem (sid):134974928
Flavornet:140-67-0
Pherobase:View
Publications by PubMed
In vivo validation and physiologically based biokinetic modeling of the inhibition of SULT-mediated estragole DNA adduct formation in the liver of male Sprague-Dawley rats by the basil flavonoid nevadensin.
Quantification of flavor-related compounds in the unburned contents of bidi and clove cigarettes.
Character impact odorants of fennel fruits and fennel tea.
Solid-phase microextraction and gas chromatography-mass spectrometry of volatile compounds from avocado puree after microwave processing.
[Fennel tea: risk assessment of the phytogenic monosubstance estragole in comparison to the natural multicomponent mixture].
Chemical composition, toxicity and mosquito repellency of Ocimum selloi oil.
Concentrations of nine alkenylbenzenes, coumarin, piperonal and pulegone in Indian bidi cigarette tobacco.
Thresholds of carcinogenicity of flavors.
Safety assessment of allylalkoxybenzene derivatives used as flavouring substances - methyl eugenol and estragole.
Flavor volatiles and physical properties of vacuum-microwave- and air-dried sweet basil (Ocimum basilicum L.).
Immunochemical identification of hepatic protein adducts derived from estragole.
Toxicology and carcinogenesis studies of isoeugenol (CAS No. 97-54-1) in F344/N rats and B6C3F1 mice (gavage studies).
A source of almost pure methyl chavicol: volatile oil from the aerial parts of Tagetes lucida (Asteraceae) cultivated in Costa Rica.
Estragole (4-allylanisole) is the primary compound in volatiles emitted from the male and female cones of Cycas revoluta.
Character impact odorants of fennel fruits and fennel tea.

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
CHEMBL:View
KEGG (GenomeNet):C10452
HMDB (The Human Metabolome Database):HMDB34121
FooDB:FDB012392
Export Tariff Code:2909.30.6000
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 148.20483398438
Specific gravity @ 25 °C
Pounds per Gallon 8.03 to 8.113
Refractive Index 1.521 to 1.525 @ 20 °C
Boiling Point 215 to 216°C @ 760 mm Hg
Boiling Point 97 to 97.5°C @ 12 mm Hg
Vapor Pressure 0.21 mmHg @ 25 °C
Vapor Density 5.9
Flash Point TCC Value 81.11 °C TCC
logP (o/w) 3.151 est
Solubility
alcohol Yes
water, 84.55 mg/L @ 25 °C (est) Yes

Organoleptic Properties

Odor Type: Anisic
sweet, sassafrass, anise, spicy, green, herbal, fennel, phenolic, minty
Odor strength medium
Substantivity 8 hour(s) at 100.00 %
Luebke, William tgsc, (1986) At 10.00 % in propylene glycol. sweet sassafrass anise spice green herbal fennel
Mosciano, Gerard P&F 16, No. 5, 71, (1991) Sweet, phenolic, anise, harsh, spice, green, herbal, minty
Flavor Type: Licorice
sweet, licorice, phenolic, weedy, spicy, celery
Mosciano, Gerard P&F 16, No. 5, 71, (1991) At 10.00 ppm. Sweet, licorice, phenolic, weedy, spice, celery-like

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 36/37/38 - Irritating to eyes, respiratory system, and skin
R 40/22 - Limited evidence of a carcinogenic effect, harmful if swallowed.
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 36 - Wear suitable protective clothing
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.
Human Experience:
3 % solution: no irritation or sensitization.
Oral/Parenteral Toxicity:
oral-rat LD50 1230 mg/kg
Food and Cosmetics Toxicology. Vol. 14, Pg. 603, 1976.

intraperitoneal-rat LD50 1030 mg/kg
BEHAVIORAL: ANTIPSYCHOTIC
Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 246, Pg. 1465, 1958.

oral-mouse LD50 1250 mg/kg
BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: COMA
Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964.

intraperitoneal-mouse LD50 1260 mg/kg
BEHAVIORAL: ANTIPSYCHOTIC
Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 246, Pg. 1465, 1958.

Dermal Toxicity:
skin-rabbit LD50 > 5000 mg/kg
Food and Cosmetics Toxicology. Vol. 14, Pg. 603, 1976.

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
IFRA Critical Effect:
Dermal sensitization and systemic toxicity
IFRA fragrance material specification:
The total concentration of Estragole should not exceed the following limitations in the finished product: Fine fragrance and Eau de Toilette: 0.2% Other leave on and rinse-off cosmetic products: 0.01% Non skin and non cosmetic products: 0.2%
View the IFRA Standard
View IFRA Standards Library for complete information.
Please review Amendment 49 IFRA documentation for complete information.
IFRA RESTRICTION LIMITS IN THE FINISHED PRODUCT (%):
Category 1: Products applied to the lips
0.012 %
Category 2: Products applied to the axillae
0.023 %
Category 3: Products applied to the face/body using fingertips
0.012 %
Category 4: Products related to fine fragrance
0.42 %
Category 5: Products applied to the face and body using the hands (palms), primarily leave-on
Category 5A: Body lotion products applied to the body using the hands (palms), primarily leave-on
0.075 %
Category 5B: Face moisturizer products applied to the face using the hands (palms), primarily leave-on
0.0062 %
Category 5C: Hand cream products applied to the hands using the hands (palms), primarily leave-on
0.012 %
Category 5D: Baby Creams, baby Oils and baby talc
0.0021 %
Category 6: Products with oral and lip exposure
0.031 %
Category 7: Products applied to the hair with some hand contact
Category 7A: Rinse-off products applied to the hair with some hand contact
0.012 %
Category 7B: Leave-on products applied to the hair with some hand contact
0.012 %
Category 8: Products with significant anogenital exposure
0.0021 %
Category 9: Products with body and hand exposure, primarily rinse off
0.050 %
Category 10: Household care products with mostly hand contact
Category 10A: Household care excluding aerosol products (excluding aerosol/spray products)
0.050 %
Category 10B: Household aerosol/spray products
0.050 %
Category 11: Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate
Category 11A: Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
0.0021 %
Category 11B: Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
0.0021 %
Category 12: Products not intended for direct skin contact, minimal or insignificant transfer to skin
1.50 %
Notes:
IFRA FLAVOR REQUIREMENTS:

Due to the possible ingestion of small amounts of fragrance ingredients from their use in products in Categories 1 and 6, materials must not only comply with IFRA Standards but must also be recognized as safe as a flavoring ingredient as defined by the IOFI Code of Practice (www.iofi.org). For more details see chapter 1 of the Guidance for the use of IFRA Standards.

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: -41.00000
beverages(nonalcoholic): -10.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: -150.00000
condiments / relishes: -2.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -11.00000
fruit ices: -11.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -36.00000
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: --

Safety references

EPI System: View
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
Carcinogenic Potency Database:Search
EPA Substance Registry Services (TSCA):140-67-0
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :8815
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
1-methoxy-4-prop-2-enylbenzene
Chemidplus:0000140670
EPA/NOAA CAMEO:hazardous materials
RTECS:BZ8225000 for cas# 140-67-0