coffee difuran
 
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IUPAC name :2-(furan-2-ylmethyldisulfanylmethyl)furan
InChI :InChI=1/C10H10O2S2/c1-3-9(11-5-1)7-13-14-8-10-4-2-6-12-10/h1-6H,7-8H2
InChIKey :CBJPZHSWLMJQRI-UHFFFAOYAP
SMILES :C1=COC(=C1)CSSCC2=CC=CO2
(EINECS) number :224-649-6
cas number :4437-20-1
fema number :3146
coe number :11480
jecfa number :1081
fl. number :13.050
molar refractivity :60.88 ± 0.3 cm3
parachor :465.2 ± 4.0 cm3
index of refraction :1.606 ± 0.02
surface tension :48.3 ± 3.0 dyne/cm
density :1.282 ± 0.06 g/cm3
polarizability :24.13 ± 0.5 10-24cm3
xlogp : 1.90
molecular weight : 226.3152000
formula :C10 H10 O2 S2
 
 
fda reg :unspecified h. number :2932.19.0000
organoleptics : 
odor type :coffee
odor strength :high ,
recommend smelling in a 0.01 % solution or less
odor description :
at 0.01 % in propylene glycol.  
sulfury coffee roasted chicken meaty onion cabbage
taste description³ :at 0.10 ppm.  
Sulfurous, coffee, roasted meaty, onion
properties : 
appearence :pale yellow to amber clear oily liquid
assay : 97.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.23522 - 1.25000 @ 20.00 °C.
pounds per gallon - calc. :10.290 to 10.413
refractive index :1.58500 - 1.60000 @ 20.00 °C.
melting point : 10.00 - 11.00 °C. @ 760.00 mm Hg
boiling point : 229.00 - 230.00 °C. @ 760.00 mm Hg
boiling point : 112.00 - 115.00 °C. @ 0.50 mm Hg
logp : 3.68
safety : 
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 212.00  °F.  TCC  ( 100.00 °C. )
  
recommendation for coffee difuran usage levels up to :
 not for fragrance use.
  
recommendation for coffee difuran usage levels up to :
  3.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :224-649-6
chemidplus :004437201
epa-srs :4437-20-1
  
other : 
 
references : 
pubchem :163322
NIST Chemistry WebBook :4099561987
  
reference : Mosciano, Gerard P&F 23, No. 5, 49, (1998)³
synonyms :
 coffee difuran
 difurfuryl disulfide
2,2'-(dithiobis(methylene)) bisfuran
2,2-(dithiodimethylene) difuran
2-furfuryl disulfide
bis 2-furfuryl disulfide
bis(2-furfuryl) disulfide
 robustone
soluble in :
 alcohol
 water, slightly
insoluble in :
 water
stability :
 stable at room temp in most media
(odor and/or flavor) used in :
 caramel
 chocolate cocoa
 coffee
 garlic
 meat
 nut
 onion
 potato
 roasted
 vegetable
natural occurrence in :
beef boiled beef
coffee



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