(Z+E)-2,5-dimethyl-3-thioacetoxytetrahydrofuran
cas number :252736-39-3
fema number :3972
jecfa number :1092
fl. number :13.194
molecular weight : 174.2605600
formula :C8 H14 O2 S
 
 
fda reg. :
 
organoleptics : 
odor type :sulfurous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
sulfury roasted meat onion
properties : 
appearence :pale yellow to yellow clear liquid
assay : 90.00 - 100.00 %   sum of isomers
Food Chemicals Codex Listed :No
specific gravity :0.93300 - 1.00300 @ 20.00 °C.
pounds per gallon - calc. : 7.773 to 8.356
refractive index :1.46800 - 1.47400 @ 20.00 °C.
boiling point : 241.00 °C. @ 760.00 mm Hg
boiling point : 50.00 °C. @ 1.00 mm Hg
safety : 
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) :not determined
  
recommendation for (Z+E)-2,5-dimethyl-3-thioacetoxytetrahydrofuran 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).
publication number : 20.
3972 average usual ppmaverage maximum ppm
baked goods : 3.000006.00000
beverages(nonalcoholic) : 1.000002.00000
beverages(alcoholic) : 1.000002.00000
breakfast cereal : 3.000006.00000
cheese : --
chewing gum : 4.000008.00000
condiments / relishes : 1.000002.00000
confectionery froastings : --
egg products : --
fats / oils : --
fish products : --
frozen dairy : 2.000004.00000
fruit ices : 2.000004.00000
gelatins / puddings : 2.000004.00000
granulated sugar : --
gravies : 2.000004.00000
hard candy : 2.000005.00000
imitation dairy : 2.000004.00000
instant coffee / tea : --
jams / jellies : --
meat products : 1.000002.00000
milk products : 1.000002.00000
nut products : --
other grains : --
poultry : --
processed fruits : --
processed vegetables : --
reconstituted vegetables : --
seasonings / flavors : --
snack foods : 1.000002.00000
soft candy : 2.000004.00000
soups : 2.000004.00000
sugar substitutes : --
sweet sauces : --
safety links : 
chemidplus :252736-39-3
epa-srs :252736-39-3
  
other : 
 
references : 
jecfa number :1092
fl. number :13.194
pubchem :252736-39-3
  
synonyms :
(Z+E)-dimethyl tetrahydro-3-furyl dithioacetate
(Z+E)-2,5-dimethyl tetrahydrofuran-3-thioacetate
(Z+E)-2,5-dimethyl-3-tetrahydrofuryl ethane thioate
(Z+E)-2,5-dimethyl-3-thioacetoxytetrahydrofuran
(Z+E)-S-(2,5-dimethyl) tetrahydrofuran-3-yl thioacetate
(Z+E)-ethane thioic acid S-(2-methyl-3-furanyl) ester
(Z+E)-S-(tetrahydro-2,5-dimethyl-3-furanyl) ethane thioate
(Z+E)-S-(tetrahydro-2,5-dimethyl-3-furanyl) ethane thioic acid ester
soluble in :
 alcohol
insoluble in :
 water
(odor and/or flavor) blends with :
 allyl mercaptan
2,6-dimethyl thiophenol
3,7-dimethyl-2,6-octadien-1-yl cyclopropyl carboxamide
2,5-dimethyl-3-thiofuroyl furan
1,1-ethane dithiol 1% in ethanol
3-mercapto-2-pentanone
2-mercapto-3-pentanone
 methyl 2-methyl-3-furyl disulfide
2-(methyl thio) methyl-2-butenal
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
 onion
natural occurrence in :
not found in nature



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