2,5-dimethyl-3-thioisovaleryl furan
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IUPAC name :S-(2,5-dimethylfuran-3-yl) 3-methylbutanethioate
InChI :InChI=1/C11H16O2S/c1-7(2)5-11(12)14-10-6-8(3)13-9(10)4/h6-7H,5H2,1-4H3
InChIKey :XFNLWIPNTYNNJX-UHFFFAOYAY
SMILES :CC1=CC(=C(O1)C)SC(=O)CC(C)C
cas number :55764-28-8
(EINECS) number :259-802-6
fema number :3482
coe number :2324
jecfa number :1070
fl. number :13.041
molar refractivity :59.73 ± 0.4 cm3
parachor :491.2 ± 6.0 cm3
index of refraction :1.514 ± 0.03
surface tension :37.7 ± 5.0 dyne/cm
density :1.07 ± 0.1 g/cm3
polarizability :23.68 ± 0.5 10-24cm3
XlogP : 2.60
molecular weight : 212.3085400
formula :C11 H16 O2 S
NMR Predictor :Predict
 
 
export tariff code :2932.19.0000
fda reg :unspecified

organoleptics :
odor type :roasted
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
roasted

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.02500 to 1.03400 @ 25.00 °C.
pounds per gallon - calc. : 8.529 to 8.604
refractive index :1.49200 to 1.50800 @ 20.00 °C.
boiling point : 124.00 to 125.00 °C. @ 6.00 mm Hg
flash point : 250.00  °F.  TCC  ( 121.11 °C. )
logP (o/w) : 3.72

safety :
Oral Toxicity(LD50) :
  Gavage-Mouse   [sex: M,F]  580.00  mg/kg
(Fogleman & Suppers, 1974a)

Gavage-Mouse   [sex: M,F]  720.00  mg/kg
(Fogleman & Suppers, 1974b)

Gavage-Mouse   [sex: M,F]  580.00  mg/kg
(Moran et al., 1980)

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

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :ND (μg/capita/day)
 
recommendation for 2,5-dimethyl-3-thioisovaleryl furan usage levels up to :
 not for fragrance use.

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
 
 
 
 S-(2,5-dimethylfuran-3-yl) 3-methylbutanethioate
(EINECS) number :259-802-6
chemidplus :055764288
EPA Substance Registry Services :55764-28-8

references :
 S-(2,5-dimethylfuran-3-yl) 3-methylbutanethioate
fl. number :13.041
jecfa number :1070
pubchem :182291

other :
synonyms :
2,5-dimethyl-3-(isopentyl thio) furan
S-2,5-dimethyl-3-furyl thioisovalerate
S-(2,5-dimethyl-3-furyl) 3-methyl butane thioate
1-((2,5-dimethyl-3-furyl)sulfanyl)-3-methyl butan-1-one
S-(2,5-dimethylfuran-3-yl) 3-methylbutanethioate
3-methyl butane thioic acid S-(2,5-dimethyl-3-furanyl) ester
 thioisovaleric acid S-2,5-dimethyl-3-furyl ester
3-(isovaleryl thio)-2,5-dimethyl furan

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
2,6-dimethyl thiophenol
3,7-dimethyl-2,6-octadien-1-yl cyclopropyl carboxamide
1,1-ethane dithiol 1% in ethanol
2-mercapto-3-pentanone
2-methyl-1-methyl thio-2-butene
2-methyl-3-(methyl thio) pyrazine
bis(2-methyl-3-furyl) disulfide
S-(2-methyl-3-furyl) ethane thioate
3-((2-methyl-3-furyl)thio)-4-heptanone
 nutty thiazole
 propyl 2-mercaptopropionate
2-pyridinyl methane thiol
 roasted butanol
 thialdine

(odor and/or flavor) used in :
 meat

natural occurrence in :
not found in nature



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