(R)-5-hydroxy-4-(4'-hydroxy-3'-methoxyphenyl)-7-methylchroman-2-one
(4R)-4-(4-hydroxy-3-methoxyphenyl)-5,7-dimethyl-3,4-dihydro-2H-1-benzopyran-2-one
 
Notes:
None found
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CAS Number: 1793064-68-2Picture of molecule3D/inchi
FDA UNII: 99FU095CJ0
XlogP3-AA: 2.70 (est)
Molecular Weight: 300.31052000
Formula: C17 H16 O5
NMR Predictor: Predict (works with chrome or firefox)
EFSA/JECFA Comments: mp: 149-150°; Optical rotation: +25° (20 °C, c = 1.0 g/100 mL in absolute ethanol)
Category: flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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JECFA Food Flavoring: 2261  (R)-5-hydroxy-4-(4'-hydroxy-3'-methoxyphenyl)-7-methylchroman-2-one
FEMA Number: 4834 (R)-5-hydroxy-4-(4'-hydroxy-3'-methoxyphenyl)-7-methylchroman-2-one
FDA:No longer provide for the use of these seven synthetic flavoring substances
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Physical Properties:
Appearance: white powder (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 149.00 to  150.00 °C. @ 760.00 mm Hg
Soluble in:
 water, 2447 mg/L @ 25 °C (est)
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Organoleptic Properties:
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the CSA
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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:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavoring agents
Recommendation for (R)-5-hydroxy-4-(4'-hydroxy-3'-methoxyphenyl)-7-methylchroman-2-one usage levels up to:
 not for fragrance use.
 
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: 28
Click here to view publication 28
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): 15.0000020.00000
beverages(alcoholic): 15.0000020.00000
breakfast cereal: --
cheese: --
chewing gum: 15.0000020.00000
condiments / relishes: --
confectionery froastings: 15.0000020.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: --
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: --
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Safety References:
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 : 121484615
National Institute of Allergy and Infectious Diseases: Data
 (4R)-5-hydroxy-4-(4-hydroxy-3-methoxyphenyl)-7-methyl-3,4-dihydrochromen-2-one
Chemidplus: 1793064682
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References:
 (4R)-5-hydroxy-4-(4-hydroxy-3-methoxyphenyl)-7-methyl-3,4-dihydrochromen-2-one
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 121484615
Pubchem (sid): 385157161
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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
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
(4R)-4-(4-hydroxy-3-methoxyphenyl)-5,7-dimethyl-3,4-dihydro-2H-1-benzopyran-2-one
(4R)-5-hydroxy-4-(4-hydroxy-3-methoxyphenyl)-7-methyl-3,4-dihydrochromen-2-one
(R)-5-hydroxy-4-(4'-hydroxy-3'-methoxyphenyl)-7-methyl chroman-2-one
5-hydroxy-4-(4'-hydroxy-3'-methoxyphenyl)-7-methylchroman-2-one, (R)-
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