(R)-tonka furanone
(R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one
 
Notes:
None found
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(R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one (Click)
CAS Number: 75640-26-5Picture of molecule
FDA UNII: 1V9879K8AV
Nikkaji Web: J1.540.013G
CoE Number: 10034
XlogP: 1.80 (est)
Molecular Weight: 164.20404000
Formula: C10 H12 O2
NMR Predictor: Predict (works with chrome or firefox)
Category: flavoring agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
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Perfumer and Flavorist: Search
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US Patents: Search
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Pubchem Patents: Search
JECFA Food Flavoring: 1163  dehydromenthofurolactone
FDA Mainterm: DEHYDROMENTHOFUROLACTONE
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Physical Properties:
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 1.09000 to 1.09600 @  25.00 °C.
Pounds per Gallon - (est).: 9.070 to  9.120
Refractive Index: 1.54200 to 1.54800 @  20.00 °C.
Boiling Point: 264.00 to  266.00 °C. @ 10.00 mm Hg
Boiling Point: 331.00 to  333.00 °C. @ 760.00 mm Hg
Acid Value: 1.00 max. KOH/g
Vapor Pressure: 0.000154 mm/Hg @ 25.00 °C. (est)
Flash Point: 279.00 °F. TCC ( 137.22 °C. )
logP (o/w): 1.927 (est)
Soluble in:
 alcohol
 water, slightly
 water, 1718 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
Odor Type: coumarinic
Odor Strength: medium
 lactonic  coumarinic  sweet  coconut  
Odor Description:
at 100.00 %. 
lactonic coumarin sweet coconut
  
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Cosmetic Information:
None found
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Suppliers:
BOC Sciences
For experimental / research use only.
2(4H)-Benzofuranone, 5,6-dihydro-3,6-dimethyl-, (6R)-
Parchem
dehydromenthofurolactone
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
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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)-tonka furanone 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: 15
Click here to view publication 15
 average usual ppmaverage maximum ppm
baked goods: --
beverages(nonalcoholic): -1.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: -20.00000
condiments / relishes: --
confectionery froastings: -5.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: --
fruit ices: --
gelatins / puddings: -2.00000
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: --
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Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of lactones used as flavor ingredients.View pdf
EPI System: View
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 71587277
National Institute of Allergy and Infectious Diseases: Data
 (R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one
Chemidplus: 0075640265
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References:
 (R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 75640-26-5
Pubchem (cid): 71587277
Pubchem (sid): 135309576
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
HMDB (The Human Metabolome Database): Search
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
EFSA Update of results on the monitoring of furan levels in food: Read Report
EFSA Previous report: Results on the monitoring of furan levels in food: Read Report
EFSA Report of the CONTAM Panel on provisional findings on furan in food: Read Report
Read: Under the conditions of intended use - New developments in the FEMA GRAS program and the safety assessment of flavor ingredients
Read: A GRAS assessment program for flavor ingredients
Read: Sensory testing for flavorings with modifying properties. Food Technology
Read: Criteria for the safety evaluation of flavoring substances
Read: A procedure for the safety evaluation of natural flavor complexes used as ingredients in food: essential oils
Read: FEMA Expert Panel: 30 Years of safety evaluation for the flavor industry
Read: Consumption ratio and food predominance of flavoring materials
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Potential Blenders and core components note
 
For Odor
animal
animal
6-methyl quinolineFL/FR
 pine needle absoluteFL/FR
caramellic
2-oxobutyric acidFL/FR
 fenugreek absoluteFL/FR
 immortelle absoluteFL/FR
cheesy
2-heptanoneFL/FR
citrus
 lime oil expressed floridaFL/FR
coconut
alpha-angelica lactoneFL/FR
 coconut naphthalenoneFL/FR
delta-decalactoneFL/FR
delta-2-dodecenolactoneFL/FR
gamma-heptalactoneFL/FR
delta-heptalactoneFL/FR
delta-nonalactoneFL/FR
gamma-nonalactone (aldehyde C-18 (so-called))FL/FR
gamma-octalactoneFL/FR
delta-octalactoneFL/FR
 propyl octanoateFL/FR
delta-undecalactoneFL/FR
 wine lactoneFL/FR
coumarinic
 coumaneFL/FR
epsilon-decalactoneFL/FR
 phthalideFL/FR
 tonka furanoneFL/FR
creamy
 creamy lactoneFL/FR
3-heptyl dihydro-5-methyl-2(3H)-furanoneFL/FR
para-vanillyl alcoholFL/FR
floral
 dihydrojasmone lactoneFL/FR
 heliotropinFL/FR
 jasmin lactone (IFF)FL/FR
para-methyl acetophenoneFL/FR
 methyl dihydrojasmonateFL/FR
fruity
 amyl heptanoateFL/FR
isoamyl octanoateFL/FR
 cherry propanolFL/FR
gamma-decalactoneFL/FR
4-hydroxybenzyl alcoholFL/FR
 methyl (Z)-5-octenoateFL/FR
isopropyl octanoateFL/FR
 tolualdehydes (mixed o,m,p)FL/FR
green
alpha-decalactoneFL/FR
 syringaldehydeFL/FR
 immortelle flower oilFL/FR
lactonic
 jasminoneFL/FR
musty
2-acetyl pyrroleFL/FR
nutty
2-acetyl-5-methyl furanFL/FR
powdery
para-anisyl acetateFL/FR
soapy
 ethyl undecanoateFL/FR
 methyl heptadienoneFL/FR
 myrtenalFL/FR
tonka
6-amyl-alpha-pyroneFL/FR
(±)-dihydromint lactoneFL/FR
gamma-hexalactoneFL/FR
 mint lactoneFL/FR
 octahydrocoumarinFL/FR
 saffron resinoidFL/FR
 whiskey lactoneFL/FR
tropical
delta-dodecalactoneFL/FR
 glyceryl 5-hydroxydecanoateFL/FR
 glyceryl 5-hydroxydodecanoateFL/FR
waxy
1-dodecanolFL/FR
 methyl laurateFL/FR
 myristyl alcoholFL/FR
2-tridecanoneFL/FR
 undecanoic acidFL/FR
 
For Flavor
 
No flavor group found for these
 coconut naphthalenoneFL/FR
 coumaneFL/FR
alpha-decalactoneFL/FR
(S)-dihydroactinidiolideFL
 dimethyl benzofuranoneFL
delta-2-dodecenolactoneFL/FR
 fig leaf absoluteFL
delta-heptalactoneFL/FR
 jasmin lactone (IFF)FL/FR
 massoia bark oilFL
 melilot oleoresinFL
7-methoxycoumarinFL
6-methyl quinolineFL/FR
 myristyl alcoholFL/FR
 pine needle absoluteFL/FR
 propyl octanoateFL/FR
 syringaldehydeFL/FR
 tonka furanoneFL/FR
 wine lactoneFL/FR
brown
2-oxobutyric acidFL/FR
caramellic
 fenugreek absoluteFL/FR
celery
 jasminoneFL/FR
cheesy
2-heptanoneFL/FR
cherry
 heliotropinFL/FR
citrus
 lime oil expressed floridaFL/FR
coconut
delta-decalactoneFL/FR
(R)-massoia lactoneFL
6-methyl coumarinFL
gamma-nonalactone (aldehyde C-18 (so-called))FL/FR
 octahydrocoumarinFL/FR
delta-octalactoneFL/FR
coumarinic
 phthalideFL/FR
creamy
6-amyl-alpha-pyroneFL/FR
alpha-angelica lactoneFL/FR
 creamy lactoneFL/FR
5,5-dibutyl dihydrofuran-2(3H)-oneFL
 dihydrocoumarinFL
delta-dodecalactoneFL/FR
 glyceryl 5-hydroxydecanoateFL/FR
 glyceryl 5-hydroxydodecanoateFL/FR
gamma-hexalactoneFL/FR
para-methyl acetophenoneFL/FR
 mint lactoneFL/FR
delta-nonalactoneFL/FR
delta-undecalactoneFL/FR
para-vanillyl alcoholFL/FR
dairy
 methyl (Z)-5-octenoateFL/FR
fatty
2-tridecanoneFL/FR
floral
 methyl dihydrojasmonateFL/FR
fruity
 amyl heptanoateFL/FR
isoamyl octanoateFL/FR
para-anisyl acetateFL/FR
 cherry propanolFL/FR
gamma-decalactoneFL/FR
3-heptyl dihydro-5-methyl-2(3H)-furanoneFL/FR
4-hydroxybenzyl alcoholFL/FR
isopropyl octanoateFL/FR
 tolualdehydes (mixed o,m,p)FL/FR
green
 immortelle absoluteFL/FR
 methyl heptadienoneFL/FR
herbal
 immortelle flower oilFL/FR
lactonic
(±)-dihydromint lactoneFL/FR
gamma-heptalactoneFL/FR
gamma-octalactoneFL/FR
minty
(1R)-(-)-myrtenalFL
 myrtenalFL/FR
nutty
2-acetyl pyrroleFL/FR
2-acetyl-5-methyl furanFL/FR
powdery
 powdery ketoneFL
soapy
1-dodecanolFL/FR
spicy
 levisticum officinale oleoresinFL
sweet
 saffron resinoidFL/FR
waxy
epsilon-decalactoneFL/FR
 dihydrojasmone lactoneFL/FR
 ethyl undecanoateFL/FR
 methyl laurateFL/FR
 undecanoic acidFL/FR
woody
 whiskey lactoneFL/FR
 
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Potential Uses:
 hay new mown hay foin coupe 
 tonka 
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Occurrence (nature, food, other): note
 bursera graveolens
Search Trop  Picture
 cornmint oil
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 peppermint oil
Search Trop  Picture
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Synonyms:
2(4H)-benzofuranone, (R)-5,6-dihydro-3,6-dimethyl-
(R)-dehydromenthofurolactone
(R)-5,6-dihydro-3,6-dimethyl-2(4H)-benzofuranone
(theta)-5,6-dihydro-3,6-dimethyl-2(4H)-benzofuranone
(R)-5,6-dihydro-3,6-dimethyl-4H-benzofuran-2-one
(R)-3,6-dimethyl-4,5-dihydro-6H-benzo(b)furan-2-one
(R)-3,6-dimethyl-5,6-dihydro-1-benzofuran-2(4H)-one
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Articles:
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