tonka furanone
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IUPAC name :3,6-dimethyl-5,6-dihydro-4H-1-benzofuran-2-one
InChI :InChI=1/C10H12O2/c1-6-3-4-8-7(2)10(11)12-9(8)5-6/h5-6H,3-4H2,1-2H3
InChIKey :ZRTWVYJNKXXDDT-UHFFFAOYAQ
SMILES :CC1CCC2=C(C(=O)OC2=C1)C
cas number :80417-97-6
(EINECS) number :279-462-2
fema number :3755
fl. number :10.034
molar refractivity :45.22 ± 0.4 cm3
parachor :358.9 ± 6.0 cm3
index of refraction :1.528 ± 0.03
surface tension :35.8 ± 5.0 dyne/cm
density :1.11 ± 0.1 g/cm3
polarizability :17.92 ± 0.5 10-24cm3
XlogP : 1.80
molecular weight : 164.2010800 (IUPAC)
formula :C10 H12 O2
NMR Predictor :Predict
 
 
export tariff code :2932.19.0000
fda reg :unspecified

Suppliers :
Symrise :Dehydro menthofurolactone

organoleptics :
odor type :tonka
odor strength :medium
odor description:
at 100.00 %.  
tonka hay coumarin coconut

properties :
appearence :colorless clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.09000 to 1.09600 @ 25.00 °C.
pounds per gallon - calc. : 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
flash point : 278.00  °F.  TCC  ( 136.67 °C. )
logP (o/w) : 1.93

safety :
Oral Toxicity(LD50) : 
  Not determined
Dermal Toxicity(LD50) : 
  Not determined
Inhalation Toxicity(LC50) : 
  Not determined
 

safety in use :
Category :flavor and fragrance agents
Maximised Survey-derived Daily Intakes (MSDI-EU) :1.50 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :9.00 (μg/capita/day)
Structure Class :III
 
recommendation for tonka furanone fragrance usage levels up to :
  1.0000 % in the fragrance concentrate.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Canada Domestic Sub. List :Yes
 
 
 
 
3,6-dimethyl-5,6-dihydro-4H-1-benzofuran-2-one
(EINECS) number :279-462-2
chemidplus :080417976
EPA Substance Registry Services :80417-97-6

references :
 
3,6-dimethyl-5,6-dihydro-4H-1-benzofuran-2-one
fl. number :10.034
pubchem :3771627

other :
synonyms :
5,6-dihydro-3,6-dimethyl benzofuran-2(4H)-one
5,6-dihydro-3,6-dimethyl-4H-benzofuran-2-one
3,6-dimethyl-5,6-dihydro-4H-1-benzofuran-2-one

soluble in :
 alcohol
 water, slightly

insoluble in :
 water

potential blenders :    note
2-acetyl pyrroleFL/FR
2-acetyl-5-methyl furanFL/FR
 acorn acetateFR
isoamyl geranateFR
6-amyl-alpha-pyroneFL/FR
 anisonitrileFR
para-anisyl acetateFL/FR
 beeswax absoluteFL/FR
 boronia butenalFR
 bran absoluteFR
 capsicum oleoresinFL/FR
 champaca flower oilFR
 cherry oxyacetateFL/FR
 cherry propanolFL/FR
 clary sage absoluteFL/FR
 coconut decanoneFR
 coconut naphthalenoneFL/FR
 coumaneFL/FR
 coumarinFR
para-cresyl caprylateFL/FR
 deertongue absoluteFR
 deertongue oleoresinFR
 dehydromenthofurolactoneFL
(R)-dihydroactinidiolideFL
 dihydrocoumarinFL
 dimethyl hydroquinoneFL/FR
 fenugreek absoluteFL/FR
 fig leaf absoluteFL
 flouve absoluteFR
 genet absoluteFL/FR
 hay absoluteFR
gamma-heptalactoneFL/FR
gamma-hexalactoneFL/FR
 immortelle absoluteFL/FR
 immortelle flower oilFR
pseudoiononeFL
 jalapeno oleoresinFL
 lavender concreteFL/FR
 lime oil expressed floridaFL/FR
 lovage oleoresinFL
 mate absoluteFL/FR
 melilot absoluteFR
 melilot oleoresinFL
 methyl acetophenoneFL/FR
7-methyl coumarinCS
 methyl coumarins 
para-methyl phenoxyacetaldehydeFR
6-methyl quinolineFL/FR
 mint lactoneFL/FR
 myrtenalFL/FR
delta-nonalactoneFL/FR
 oakmoss phenolFR
 ocean propanalFL/FR
 octahydrocoumarinFL/FR
3-octen-2-oneFL/FR
 paprika oleoresinFL/FR
 phenoxyethyl propionateFL/FR
 phthalideFL/FR
 pine needle absoluteFL/FR
(+)-beta-pineneFL/FR
beta-pineneFL/FR
laevo-beta-pineneFL/FR
 powdery ketoneFL
 saffron resinoidFL/FR
 syringaldehydeFL/FR
 tobacco leaf absoluteFR
 tolualdehydes (mixed o/m/p)FL/FR
 tonka bean absoluteFR
 tonka bean oleoresinFR
 tonka bean resinoidFR
 tonka ketoneFR
 tonka undecanoneFR
 tonkavertFR
3,5,5-trimethyl hexanolFL/FR
 vanillyl alcoholFL/FR
 verbena absolute franceFL
 whiskey lactoneFL/FR
 woodruff absoluteFR

potential uses :
 amber
 coconut
 hay new mown hay foin coupe
 pina colada
 tonka
 tropical

natural occurrence in :    note
 not found in nature  

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