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(E)-4-propenyl syringol

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CAS Number: 20675-95-0Picture of molecule3D/inchi
FDA UNII: 8178699JLG
Nikkaji Web:J588.631G
CoE Number:4055
XlogP3-AA:2.50 (est)
Molecular Weight:194.23018000
Formula:C11 H14 O3
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
EFSA/JECFA Comments:
CASrn in Register refers to E-isomer. Mixture of E/Z-isomers (EFFA, 2010a). Composition of stereoisomeric mixture to be specified. CASrn to be changed to reflect the mixture of E/Z isomer. Registername to be changed to 2,6-Dimethoxy-4-(prop-1-enyl)phenol.
Category:flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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JECFA Food Flavoring:1265 4-propenyl-2,6-dimethoxyphenol
DG SANTE Food Flavourings:04.055 2,6-dimethoxy-4-[(E)-prop-1-enyl]phenol
FEMA Number:3728 4-propenyl-2,6-dimethoxyphenol
FDA:No longer provide for the use of these seven synthetic flavoring substances
Physical Properties:
Appearance:pale yellow clear viscous liquid (est)
Assay: 96.60 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:1.09800 to 1.10500 @ 25.00 °C.
Pounds per Gallon - (est).: 9.136 to 9.195
Refractive Index:1.57700 to 1.57800 @ 20.00 °C.
Boiling Point: 135.00 °C. @ 0.13 mm Hg
Boiling Point: 305.00 to 306.00 °C. @ 760.00 mm Hg (est)
Acid Value: 1.00 max. KOH/g
Vapor Pressure:0.000450 mmHg @ 25.00 °C. (est)
Flash Point: 281.00 °F. TCC ( 138.50 °C. ) (est)
logP (o/w): 3.115 (est)
Soluble in:
 water, 358.8 mg/L @ 25 °C (est)
Insoluble in:
Organoleptic Properties:
Odor Description:at 0.10 % in dipropylene glycol. sweet spicy
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
For experimental / research use only.
BOC Sciences
For experimental / research use only.
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 [sex: M,F] 2400 mg/kg
(Piccirillo & Hartman, 1982)

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
flavoring agents
Recommendation for (E)-4-propenyl syringol usage levels up to:
 not for fragrance use.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 2.00 (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: 13
Click here to view publication 13
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): --
beverages(alcoholic): --
breakfast cereal: --
cheese: -1.00000
chewing gum: --
condiments / relishes: -5.00000
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: -1.00000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -1.00000
milk products: --
nut products: --
other grains: --
poultry: -0.50000
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: -300.00000
snack foods: -1.00000
soft candy: --
soups: -0.50000
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

EPI System: View
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :5352905
National Institute of Allergy and Infectious Diseases:Data
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):5352905
Pubchem (sid):96099404
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
HMDB (The Human Metabolome Database):Search
VCF-Online:VCF Volatile Compounds in Food
Potential Blenders and core components note
None Found
Potential Uses:
Occurrence (nature, food, other):note
 jute fibers
Search Trop Picture
2,6-dimethoxy-4-(E)-1-propenyl phenol
(E)-2,6-dimethoxy-4-prop-1-enyl phenol
trans-2,6-dimethoxy-4-prop-1-enyl phenol
 phenol, 2,6-dimethoxy-4-[(1E)-1-propen-1-yl]-
 phenol, 4-(1-propenyl)-2,6-dimethoxy, (E)-
trans-4-propenyl syringol


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