1-(methyl thio)-2-butanone
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IUPAC name :1-methylsulfanylbutan-2-one
InChI :InChI=1/C5H10OS/c1-3-5(6)4-7-2/h3-4H2,1-2H3
InChIKey :GOAGGJDTOMPTSA-UHFFFAOYAG
SMILES :CCC(=O)CSC
cas number :13678-58-5
(EINECS) number :237-169-7
fema number :3207
coe number :11543
jecfa number :496
fl. number :12.041
molar refractivity :33.23 ± 0.3 cm3
parachor :286.8 ± 4.0 cm3
index of refraction :1.456 ± 0.02
surface tension :30.3 ± 3.0 dyne/cm
density :0.967 ± 0.06 g/cm3
polarizability :13.17 ± 0.5 10-24cm3
XlogP : 0.90
molecular weight : 118.1973000 (IUPAC)
formula :C5 H10 O S
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Nanjing :1-methylthio-2-butanone
orders in chinese only.
Penta :1-(methylthio)-2-butanone

organoleptics :
odor type :mushroom
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description:
at 0.10 % in propylene glycol.  
mushroom garlic
odor description³ :
at 0.10 %.  
fresh radish, mustard, horseradish and wasabi like with alliaceous onion and savory metallic and vegetative nuances.
taste description³ :
at 1.00 ppm.  
sulfurous, cabbage and radish, horseradish, toasted onion and dairy like nuances.

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.99700 @ 22.00 °C.
refractive index :1.47000 to 1.48500 @ 20.00 °C.
boiling point : 52.00 to 53.00 °C. @ 8.00 mm Hg
flash point : 122.00  °F.  TCC  ( 50.00 °C. )
logP (o/w) : 1.02

safety :
Oral Toxicity(LD50) : 
  Not determined
Dermal Toxicity(LD50) : 
  Not determined
Inhalation Toxicity(LC50) : 
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.0037 (μg/capita/day)
Category :flavoring agents
 
recommendation for 1-(methyl thio)-2-butanone fragrance usage levels up to :
 not for fragrance use.
recommendation for 1-(methyl thio)-2-butanone flavor usage levels up to :
  1.0000 ppm in the flavor.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :3
 
 
 
 
1-methylsulfanylbutan-2-one
(EINECS) number :237-169-7
chemidplus :013678585
EPA Substance Registry Services :13678-58-5

references :
 
1-methylsulfanylbutan-2-one
fl. number :12.041
jecfa number :496
NIST Chemistry WebBook :4193165377
pubchem :198045

other :
reference : Mosciano, Gerard, (2009)³
VCF-Online: VCF Volatile Compounds in Food
FDA Everything Added to Food in the United States (EAFUS)View
synonyms :
1-methyl thio-2-butanone
1-(methyl thio) butan-2-one
1-methyl thiobutan-2-one
1-methylsulfanylbutan-2-one
2-thia-4-hexanone

soluble in :
 alcohol

insoluble in :
 water

potential blenders :    note
(E)-benzyl tiglateFL/FR
 berry furanoneFL/FR
 butyl lactateFL/FR
 butyl laevo-lactateFL/FR
(E)-2-decen-1-alFL/FR
1-decen-3-olFL/FR
 dehydrolinaloolFL/FR
 dibenzyl etherFL/FR
 dimethyl sulfoxideFL
6,8-dimethyl-2-nonanolFR
 earthy acetalFL/FR
 heptanal cyclic acetal with glycerolFL/FR
 heptanal glyceryl acetalFL/FR
 herbal pyranFR
(Z)-3-hexen-1-yl tiglateFL/FR
 leaf acetalFL/FR
 melon acetalFL/FR
 methyl 10-undecenalFL/FR
 methyl 2-furoateFL/FR
 methyl laurateFL/FR
tris(methyl thio) methaneFL
 methyl thiol isovalerateFL
 methyl undecylenateFL/FR
2-naphthyl mercaptanFL
(Z)-3-nonen-1-olFL/FR
1-nonen-3-olFL/FR
 nonyl octanoateFL/FR
1,8-octane dithiolFL
3-octanolFL/FR
3-octanoneFL/FR
3-octen-2-olFL/FR
(3R)-1-octen-3-olFL/FR
1-octen-3-olFL/FR
1-octen-3-oneFL/FR
1-octen-3-yl butyrateFL/FR
2-octen-4-oneFL/FR
 octyl 2-furoateFL
 octyl acetateFL/FR
 octyl propionateFL/FR
(E)-2-penten-1-ol 
2-pentyl-1-buten-3-oneFL
 phenethyl butyl etherFR
 phenethyl furoateFL/FR
 phenyl acetaldehyde dimethyl acetalFL/FR
2-phenyl propionaldehyde dimethyl acetalFL/FR
2-phenyl propionaldehyde ethylene glycol acetalFR

potential uses :
 coffee
 mushroom

natural occurrence in :    note
 coffee  

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