methyl mercaptan
 
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IUPAC name :methanethiol
InChI :InChI=1/CH4S/c1-2/h2H,1H3
InChIKey :LSDPWZHWYPCBBB-UHFFFAOYAW
SMILES :CS
(EINECS) number :200-822-1
eu annex :016-021-00-3
cas number :74-93-1
beilstein number :1696840
fema number :2716
coe number :475
jecfa number :508
fl. number :12.003
molar refractivity :14.57 ± 0.3 cm3
parachor :123.7 ± 4.0 cm3
index of refraction :1.408 ± 0.02
surface tension :19.2 ± 3.0 dyne/cm
density :0.814 ± 0.06 g/cm3
polarizability :5.77 ± 0.5 10-24cm3
xlogp : 0.90
molecular weight : 48.1074600
formula :C H4 S
 
 
fda reg :172.515 h. number :unspecified
organoleptics : 
odor type :sulfurous
odor strength :very high ,
recommend smelling in a 0.01 % solution or less
odor description :
at 0.01 % in propylene glycol.  
decomposing cabbage garlic
taste description³ :at 1.00 ppm.  
Sulfurous, alliaceous, creamy with a surface-ripened cbeese topnote and a clean savory meaty depth
properties : 
appearence :colorless gas or liquid <6 C
assay : 98.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.86200 - 0.89400 @ 5.80 °C.
pounds per gallon - calc. : 7.173 to 7.439
refractive index :1.43000 - 1.43600 @ 5.80 °C.
melting point :-121.00 °C. @ 760.00 mm Hg
boiling point : 6.10 - 6.20 °C. @ 727.00 mm Hg
boiling point : 5.90 - 6.00 °C. @ 760.00 mm Hg
logp : 0.78
safety : 
most important hazard(s) : Xn N - Harmful, Dangerous for the environment.
  
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 70.00  °F.  TCC  ( 21.11 °C. )
  
recommendation for methyl mercaptan usage levels up to :
 not for fragrance use.
  
recommendation for methyl mercaptan usage levels up to :
  1.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :200-822-1
rtecs :PB4375000 for 74-93-1
toxnet :74-93-1
epa-srs :74-93-1
pubchem :74-93-1
  
other : 
 
references : 
reference : Mosciano, Gerard P&F 23, No. 6, 31, (1998)³
synonyms :
 mercaptomethane
 methane thiol
 methyl mercaptan
 methyl sulfhydrate
 thiomethanol
 thiomethyl alcohol
soluble in :
 alcohol
 propylene glycol
 water, 15400 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) used in :
 algae
 cabbage
 dairy
 egg
 meat
natural occurrence in :
 algae red algae
 asparagus
 beef
 bread
 cabbage
 cheese
 chicken
 egg
 garlic
 lamb
 leek
 milk
 onion
 orange juice
 pineapple
 pork
 potato
 shallot
 strawberry



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