furfuryl mercaptan
 
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IUPAC name :furan-2-ylmethanethiol
InChI :InChI=1/C5H6OS/c7-4-5-2-1-3-6-5/h1-3,7H,4H2
InChIKey :ZFFTZDQKIXPDAF-UHFFFAOYAB
SMILES :C1=COC(=C1)CS
(EINECS) number :202-628-2
cas number :98-02-2
beilstein number :0383594
fema number :2493
coe number :2202
jecfa number :1072
fl. number :13.026
molar refractivity :31.36 ± 0.3 cm3
parachor :249.9 ± 4.0 cm3
index of refraction :1.523 ± 0.02
surface tension :35.2 ± 3.0 dyne/cm
density :1.112 ± 0.06 g/cm3
polarizability :12.43 ± 0.5 10-24cm3
xlogp : 1.10
molecular weight : 114.1655400
formula :C5 H6 O S
 
 
fda reg :unspecified h. number :2932.19.0000
organoleptics : 
odor type :coffee
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
sulfury roasted coffee oily fatty burnt smoky
taste description³ :at 1.00 ppm.  
Sulfurous roasted coffee, burnt match-like, rubbery, and slightly nutty with eggy and savory meaty nuances.
properties : 
appearence :colorless to pale yellow clear oily liquid
assay : 95.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.12000 - 1.13000 @ 25.00 °C.
pounds per gallon - calc. : 9.320 to 9.403
refractive index :1.52700 - 1.53500 @ 20.00 °C.
boiling point : 154.00 - 156.00 °C. @ 760.00 mm Hg
boiling point : 147.00 °C. @ 12.00 mm Hg
logp : 1.96
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 113.00  °F.  TCC  ( 45.00 °C. )
  
recommendation for furfuryl mercaptan usage levels up to :
  0.0500 % in the fragrance concentrate.
  
recommendation for furfuryl mercaptan usage levels up to :
  2.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :202-628-2
rtecs :LU2100000 for 98-02-2
chemidplus :000098022
epa-srs :98-02-2
dtp/nci :41142
  
other : 
 
references : 
pubchem :150427
NIST Chemistry WebBook :1189558741
  
reference : Mosciano, Gerard P&F 26, No. 5, 68, (2001)³
synonyms :
 coffee mercaptan
2-furan methane thiol
(2-furanyl) methyl mercaptan
 furfuryl mercaptan
2-furfuryl mercaptan
alpha-furfuryl mercaptan
 furfuryl thiol
2-furfuryl thiol
2-furyl methane thiol
2-furyl methyl mercaptan
2-(mercaptomethyl) furan
soluble in :
 alcohol
 water, slightly
insoluble in :
 water
(odor and/or flavor) used in :
 butterscotch
 caramel
 chocolate cocoa
 coffee
 egg
 garlic
 onion
natural occurrence in :
beef cooked beef
chicken cooked chicken
coffee
pork



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