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General Material Information

Preferred name isoeugenol
Trivial Name Isoeugenol
Short Description 2-methoxy-4-(1-methylvinyl)phenol
Formula C10 H12 O2
CAS Number 97-54-1
FEMA Number 2468
Flavis Number 4.004
ECHA Number 202-590-7
FDA UNII 5M0MWY797U
Beilstein Number 1909602
MDL MFCD00009285
COE Number 172
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 1260 isoeugenol
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 97-54-1 ; ISOEUGENOL
Synonyms
  • iso eugenol 6504
  • iso eugenol fab
  • iso eugenol natural
  • iso eugenol natural derivative
  • 4-hydroxy-3-methoxy-1-propen-1-yl benzene
  • 4-hydroxy-3-methoxy-1-propenyl benzene
  • 4-hydroxy-3-methoxypropenyl benzene
  • 2-methoxy-4-(1-methylethenyl)phenol
  • 2-methoxy-4-(1-methylvinyl)phenol
  • 2-methoxy-4-(1-propenyl) phenol
  • 3-methoxy-4-hydroxy-1-propen-1-yl benzene
  • 1-(3-methoxy-4-hydroxyphenyl)-1-propane
  • 2-methoxy-4-prop-1-en-2-yl-phenol
  • 2-methoxy-4-prop-1-en-2-ylphenol
  • 2-methoxy-4-propenyl phenol
  • 4-propenyl guaiacol
  • 2-methoxy-4-prop-1-en-2-ylphenol
  • Phenol, 2-methoxy-4-(1-propen-1-yl)-
  • Phenol, 2-methoxy-4-propenyl-
  • Phenol, 2-methoxy-4-(1-propenyl)-
  • 2-Methoxy-4-(1-propen-1-yl)phenol
  • 4-Hydroxy-3-methoxy-1-propenylbenzene
  • 2-Methoxy-4-propenylphenol
  • 3-Methoxy-4-hydroxy-1-propenylbenzene
  • 4-Propenylguaiacol
  • 2-Methoxy-4-(1-propenyl)phenol
  • iso-Eugenol
  • 1-(3-Methoxy-4-hydroxyphenyl)-1-propene
  • NSC 6769
  • 4-Hydroxy-3-methoxy-β-methylstyrene
  • 4-(1-Propenyl) Guaiacol
  • 4-Propenyl-2-methoxyphenol

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

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Literature & References

2-methoxy-4-prop-1-en-2-ylphenol
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:97-54-1
Pubchem (cid):2723653
Pubchem (sid):134970634
Flavornet:97-54-1
Pherobase:View
Publications by PubMed
Allyl/propenyl phenol synthases from the creosote bush and engineering production of specialty/commodity chemicals, eugenol/isoeugenol, in Escherichia coli.
Metabolic engineering in strawberry fruit uncovers a dormant biosynthetic pathway.
Decoding the key aroma compounds of a Hungarian-type salami by molecular sensory science approaches.
Metabolism of isoeugenol via isoeugenol-diol by a newly isolated strain of Bacillus subtilis HS8.
A comparative study of the antioxidant/prooxidant activities of eugenol and isoeugenol with various concentrations and oxidation conditions.
Volatile constituents and key odorants in leaves, buds, flowers, and fruits of Laurus nobilis L.
Biotransformations of propenylbenzenes by an Arthrobacter sp. and its t-anethole blocked mutants.
Quantitative gas chromatography-olfactometry carried out at different dilutions of an extract. Key differences in the odor profiles of four high-quality Spanish aged red wines.
Biotechnological production of vanillin.
Quantitation of flavor-related alkenylbenzenes in tobacco smoke particulate by selected ion monitoring gas chromatography-mass spectrometry.
Isolation of a Bacillus sp. capable of transforming isoeugenol to vanillin.
In vitro studies of biological effects of cigarette smoke condensate. II. Induction of sister-chromatid exchanges in human lymphocytes by weakly acidic, semivolatile constituents.
Metabolic engineering in strawberry fruit uncovers a dormant biosynthetic pathway.
Decoding the key aroma compounds of a Hungarian-type salami by molecular sensory science approaches.
Identification of potent odorants in different cultivars of snake fruit [Salacca zalacca (Gaert.) Voss] using gas chromatography-olfactometry.
An odorant derivative as an antagonist for an olfactory receptor.
Volatile constituents and key odorants in leaves, buds, flowers, and fruits of Laurus nobilis L.
Publications by J-Stage
Transcriptional Control of the Isoeugenol Monooxygenase of Pseudomonas nitroreducens Jin1 in Escherichia coli
Characterization of an Isoeugenol Monooxygenase (Iem) from Pseudomonas nitroreducens Jin1 That Transforms Isoeugenol to Vanillin

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
Metabolomics Database:Search
KEGG (GenomeNet):C10469
HMDB (The Human Metabolome Database):HMDB05802
FooDB:FDB002728
Export Tariff Code:2909.50.4010
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 164.20404052734
Specific gravity @ 25 °C
Pounds per Gallon 8.978 to 9.045
Specific gravity @ 20 °C
Pounds per Gallon 8.997 to 9.064
Refractive Index 1.572 to 1.578 @ 20 °C
Melting Point 14 to 18°C @ 760 mm Hg
Boiling Point 125 to 126°C @ 14 mm Hg
Boiling Point 266 to 267°C @ 760 mm Hg
Vapor Pressure 0.01 mmHg @ 25 °C
Vapor Density 1
Flash Point TCC Value 100 °C TCC
logP (o/w) 3.04
Solubility
fixed oils Yes
kerosene Yes
paraffin oil, cloudy Yes
water, 165.9 mg/L @ 25 °C (est) Yes
glycerin No
water No

Organoleptic Properties

Odor Type: Spicy
sweet, spicy, clove, woody, allspice, carnation, floral
Odor strength medium
Substantivity 400 hour(s) at 100.00 %
Luebke, William tgsc, (1985) At 100.00 %. sweet spicy clove woody allspice carnation floral
Mosciano, Gerard P&F 14, No. 6, 47, (1989) Sweet spicy, clove-like odor with a woody nuance
Flavor Type: Spicy
spicy, clove, allspice, woody, aromatic, pimenta, nutmeg, phenolic, sweet
Luebke, William tgsc, (1985) Spicy clove allspice woody aromatic pimenta nutmeg phenolic
Mosciano, Gerard P&F 14, No. 6, 47, (1989) At 10.00 ppm. Sweet spice and clove with woody and phenolic nuances

Occurrences

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
R 43 - May cause sensitisation by skin contact.
S 02 - Keep out of the reach of children.
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.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
Acute toxicity, Oral (Category 4), H302
Skin irritation (Category 2), H315
Skin sensitisation (Category 1), H317
Eye irritation (Category 2A), H319
Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335
GHS Label elements, including precautionary statements
Pictogramexclamation-mark.jpg
Signal word Warning
Hazard statement(s)
H302 - Harmful if swallowed
H315 - Causes skin irritation
H317 - May cause an allergic skin reaction
H319 - Causes serious eye irritation
H335 - May cause respiratory irritation
Precautionary statement(s)
P261 - Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 - Wash skin thouroughly after handling.
P270 - Do not eat, drink or smoke when using this product.
P271 - Use only outdoors or in a well-ventilated area.
P272 - Contaminated work clothing should not be allowed out of the workplace.
P280 - Wear protective gloves/protective clothing/eye protection/face protection.
P301 + P312 - IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302 + P352 - IF ON SKIN: wash with plenty of soap and water.
P304 + P340 - IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312 - Call a POISON CENTER or doctor/physician if you feel unwell.
P330 - Rinse mouth.
P333 + P313 - IF SKIN irritation or rash occurs: Get medical advice/attention.
P337 + P313 - IF eye irritation persists: Get medical advice/attention.
P362 - Take off contaminated clothing and wash before reuse.
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed.
P405 - Store locked up.
P501 - Dispose of contents/ container to an approved waste disposal plant.
Human Experience:
Causes irritation and sensitization.
Oral/Parenteral Toxicity:
oral-rat LD50 [sex: M,F] 1560 mg/kg
(Jenner et al., 1964)

oral-guinea pig LD50 [sex: M,F] 1410 mg/kg
(Jenner et al., 1964)

oral-rat LD50 [sex: M,F] 286 mg/kg
(Piccirillo, 1984b)

oral-guinea pig LD50 1410 mg/kg
BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: COMA
Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964.

intraperitoneal-mouse LD50 328 mg/kg
Yakugaku Zasshi. Journal of Pharmacy. Vol. 104, Pg. 793, 1984.

oral-rat LD50 1560 mg/kg
BEHAVIORAL: COMA
Toxicology and Applied Pharmacology. Vol. 6, Pg. 378, 1964.

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
IFRA Critical Effect:
Dermal sensitization and systemic toxicity
IFRA fragrance material specification:
Should not be used such that the level in finished cosmetic products exceeds 0.02%. Based on test results showing sensitising potential (IFRA guidelines).
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
0.019 %
Category 2: Products applied to the axillae
0.0057 %
Category 3: Products applied to the face/body using fingertips
0.12 %
Category 4: Products related to fine fragrance
0.11 %
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
0.027 %
Category 5B: Face moisturizer products applied to the face using the hands (palms), primarily leave-on
0.027 %
Category 5C: Hand cream products applied to the hands using the hands (palms), primarily leave-on
0.027 %
Category 5D: Baby Creams, baby Oils and baby talc
0.0090 %
Category 6: Products with oral and lip exposure
0.063 %
Category 7: Products applied to the hair with some hand contact
Category 7A: Rinse-off products applied to the hair with some hand contact
0.22 %
Category 7B: Leave-on products applied to the hair with some hand contact
0.22 %
Category 8: Products with significant anogenital exposure
0.0090 %
Category 9: Products with body and hand exposure, primarily rinse off
0.21 %
Category 10: Household care products with mostly hand contact
Category 10A: Household care excluding aerosol products (excluding aerosol/spray products)
0.21 %
Category 10B: Household aerosol/spray products
0.75 %
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
0.0090 %
Category 11B: Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
0.0090 %
Category 12: Products not intended for direct skin contact, minimal or insignificant transfer to skin
No Restriction
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.

Maximised Survey-derived Daily Intakes (MSDI-EU): 99.00 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 43.00 (μg/capita/day)
Structure Class: I
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: -11.00000
beverages(nonalcoholic): -3.70000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: 0.300001000.00000
condiments / relishes: -1.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -3.80000
fruit ices: -3.80000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -5.00000
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

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 30 (FGE.30): 2-Methoxy-4-(prop-1-enyl)phenyl 3-methylbutyrate from chemical group 17
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 81 (FGE.81): Consideration of hydroxypropenylbenzenes evaluated by JECFA (61st meeting) structurally related to 2-methoxy-4-(prop-1-enyl)phenyl 3-methylbutyrate from chemical group 17 evaluated by EFSA in FGE.30
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 30, Revision 1 (FGE.30Rev1): 4-Prop-1-enylphenol and 2-methoxy-4-(prop-1-enyl)phenyl 3-methylbutyrate from chemical group 17
View page or View pdf

Scientific Opinion on the safety and efficacy of propenylhydroxybenzenes (chemical group 17) when used as flavourings for all animal species
View page or View pdf

EPI System: View
ClinicalTrials.gov:search
Daily Med:search
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
EPA Substance Registry Services (TSCA):97-54-1
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :2723653
National Institute of Allergy and Infectious Diseases:Data
SCCNFP:opinion
WGK Germany:2
2-methoxy-4-prop-1-en-2-ylphenol
Chemidplus:0000097541
EPA/NOAA CAMEO:hazardous materials
RTECS:SL7875000 for cas# 97-54-1