isopropyl mercaptan
 
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IUPAC name :propane-2-thiol
InChI :InChI=1/C3H8S/c1-3(2)4/h3-4H,1-2H3
InChIKey :KJRCEJOSASVSRA-UHFFFAOYAY
SMILES :CC(C)S
(EINECS) number :200-861-4
cas number :75-33-2
fema number :3897
coe number :11565
jecfa number :510
fl. number :12.197
molar refractivity :23.80 ± 0.3 cm3
parachor :200.7 ± 4.0 cm3
index of refraction :1.428 ± 0.02
surface tension :22.2 ± 3.0 dyne/cm
density :0.823 ± 0.06 g/cm3
polarizability :9.43 ± 0.5 10-24cm3
xlogp : 1.60
molecular weight : 76.1606200
formula :C3 H8 S
BioActivity Analysis :17388960
 
 
fda reg :unspecified h. number :unspecified
organoleptics : 
odor type :alliaceous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
onion sharp pungent meaty sulfury chicken broth
taste description³ :at 50.00 - 500.00 ppm.  
Soft-boiled egg yolk, hydrogen sulfide, rich mouth feel, strong poultry, leek and onion-like
properties : 
appearence :colorless clear liquid
assay : 97.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.81400 - 0.81900 @ 25.00 °C.
pounds per gallon - calc. : 6.773 to 6.815
refractive index :1.42550 @ 20.00 °C.
melting point :-131.00 °C. @ 760.00 mm Hg
boiling point : 57.00 - 60.00 °C. @ 760.00 mm Hg
logp : 1.68
safety : 
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) :< -30.00  °F.  TCC  ( < -34.44 °C. )
  
recommendation for isopropyl mercaptan usage levels up to :
 not for fragrance use.
  
recommendation for isopropyl mercaptan usage levels up to :
  10.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :200-861-4
rtecs :TZ7302000 for 75-33-2
toxnet :75-33-2
epa-srs :75-33-2
pubchem :75-33-2
  
other : 
 
references : 
reference : Mosciano, Gerard P&F 24, No. 6, 10, (1999)³
synonyms :
2-mercaptopropane
1-methyl ethane thiol
2-propane thiol
isopropane thiol
 propane-2-thiol
2-propyl mercaptan
isopropyl mercaptan
isopropyl thiol
soluble in :
 alcohol
 oils
 water, 4840 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) used in :
 chicken
 chocolate cocoa
 coffee
 egg
 turkey
natural occurrence in :
 beer
 garlic
 onion



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