S-(methyl thio) propionate
 
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IUPAC name :S-methyl propanethioate
InChI :InChI=1/C4H8OS/c1-3-4(5)6-2/h3H2,1-2H3
InChIKey :AIILTVHCLAEMDA-UHFFFAOYAB
SMILES :CCC(=O)SC
cas number :5925-75-7
fema number :4172
jecfa number :1678
fl. number :12.165
molar refractivity :28.60 ± 0.3 cm3
parachor :247.0 ± 4.0 cm3
index of refraction :1.453 ± 0.02
surface tension :29.8 ± 3.0 dyne/cm
density :0.985 ± 0.06 g/cm3
polarizability :11.34 ± 0.5 10-24cm3
xlogp : 1.00
molecular weight : 104.1707200
formula :C4 H8 O S
 
 
fda reg :unspecified h. number :unspecified
organoleptics : 
odor type :sulfurous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in dipropylene glycol.  
alliaceous dairy sulfurous milky
properties : 
appearence :colorless clear liquid
assay : 99.00 - 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.98700 - 0.99700 @ 20.00 °C.
pounds per gallon - calc. : 8.222 to 8.306
refractive index :1.45600 - 1.46600 @ 20.00 °C.
boiling point : 120.00 - 122.00 °C. @ 760.00 mm Hg
acid value : 1.00  max.  KOH/g
logp : 1.26
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Not determined
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 79.00  °F.  TCC  ( 26.11 °C. )
  
recommendation for S-(methyl thio) propionate usage levels up to :
  0.1000 % in the fragrance concentrate.
  
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 : 22.
4172 average usual ppmaverage maximum ppm
baked goods : 0.500002.00000
beverages(nonalcoholic) : 0.200001.00000
beverages(alcoholic) : 0.200001.00000
breakfast cereal : 0.200000.50000
cheese : 0.500002.00000
chewing gum : 0.200002.00000
condiments / relishes : 0.200001.00000
confectionery froastings : 0.200002.00000
egg products : --
fats / oils : --
fish products : --
frozen dairy : 0.100000.50000
fruit ices : 0.100000.50000
gelatins / puddings : 0.200001.00000
granulated sugar : --
gravies : --
hard candy : 0.500002.00000
imitation dairy : 0.200001.00000
instant coffee / tea : 0.200001.00000
jams / jellies : 0.200001.00000
meat products : --
milk products : 0.100000.50000
nut products : 0.200001.00000
other grains : --
poultry : --
processed fruits : 0.100000.50000
processed vegetables : --
reconstituted vegetables : --
seasonings / flavors : 10.00000100.00000
snack foods : 0.200001.00000
soft candy : 0.200002.00000
soups : --
sugar substitutes : --
sweet sauces : 0.200001.00000
safety links : 
chemidplus :5925-75-7
epa-srs :5925-75-7
  
other : 
 
references : 
jecfa number :1678
fl. number :12.165
pubchem :10528681
NIST Chemistry WebBook :1974796016
  
synonyms :
S-methyl propane thioate
S-(methyl thio) propionate
S-methyl thiopropionate
 propane thioic acid S-methyl ester
soluble in :
 alcohol
 water, slightly
insoluble in :
 water
(odor and/or flavor) blends with :
 acetoin
 acetyl nonyryl
 allyl alcohol
 allyl disulfide
 allyl mercaptan
 allyl methyl disulfide
 allyl methyl sulfide
 allyl methyl trisulfide
 allyl propyl disulfide
 allyl propyl trisulfide
 allyl thiopropionate
isoamyl mercaptan
 asafetida absolute
 asafetida oil
 benzyl mercaptan
1,3-butane dithiol
 butyl butyryl lactate
isobutyl methyl ketone
 butyric acid
 coconut decanone
 cyclopentyl mercaptan
 dairy lactone
delta-decalactone
 diallyl polysulfides
 diallyl tetrasulfide
 diallyl trisulfide
 dicyclohexyl disulfide
 diethyl disulfide
 diethyl trisulfide
 dimethyl tetrasulfide
 dipropyl sulfide
2,5-dithiahexane
 ethyl 3-(furfuryl thio) propionate
2-ethyl butyric acid
 ethyl isothiocyanate
 ethyl methyl trisulfide
 ethyl propyl disulfide
 ethyl propyl trisulfide
 furfuryl methyl sulfide
2-furyl acetone
 garlic oil china
 garlic oleoresin
 heptanal 2,3-butane diol acetal
(R*,S*)-2-mercapto-3-butanol
 methyl (Z)-5-octenoate
 methyl 3-mercaptobutanoate
3-methyl crotonic acid
 methyl furfuryl disulfide
4-methyl octanoic acid
bis(methyl thio) methane
3-(methyl thio) methyl thiophene
2-methyl-1,3-dithiolane
 nonanoic acid
delta-octalactone
gamma-octalactone
 onion oleoresin
1-penten-3-ol
4-pentenyl isothiocyanate
 phenyl mercaptan
 propionic acid
isopropyl disulfide
isopropyl mercaptan
delta-tetradecalactone
3-tetrahydrothiophenone
 thiophene
 tonka bean oleoresin
2-tridecanone
 vanillic acid
(odor and/or flavor) used in :
 butter
 cheese
 cream
 cream ice cream
 cream sour cream
 custard
 dairy
 fish
 fruit tropical fruit
 ghee
 milk
 milk buttermilk
 milk malted milk
 tomato
 yogurt
natural occurrence in :
cheese
fish oil



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