2-methyl thioacetaldehyde
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IUPAC name :2-methylsulfanylacetaldehyde
InChI :InChI=1/C3H6OS/c1-5-3-2-4/h2H,3H2,1H3
InChIKey :NCNSBFDGXBKAKB-UHFFFAOYAT
SMILES :CSCC=O
cas number :23328-62-3
(EINECS) number :245-587-6
fema number :3206
coe number :11686
jecfa number :465
fl. number :12.040
molar refractivity :24.13 ± 0.3 cm3
parachor :211.0 ± 4.0 cm3
index of refraction :1.452 ± 0.02
surface tension :31.1 ± 3.0 dyne/cm
density :1.008 ± 0.06 g/cm3
polarizability :9.56 ± 0.5 10-24cm3
XlogP : 0.80
molecular weight : 90.1441400
formula :C3 H6 O S
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Penta :2-methyl thioacetaldehyde
Treatt :2-Methylthioacetaldehyde

organoleptics :
odor type :sulfurous
odor strength :high ,
recommend smelling in a 0.10 % solution or less
odor description :
at 0.10 % in propylene glycol.  
sulfury vegetable onion garlic mustard nutty potato

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.04500 to 1.05500 @ 25.00 °C.
pounds per gallon - calc. : 8.695 to 8.779
refractive index :1.46600 @ 20.00 °C.
boiling point : 118.00 to 120.00 °C. @ 760.00 mm Hg
flash point : 87.00  °F.  TCC  ( 30.56 °C. )
logP (o/w) : 0.67

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) :ND (μg/capita/day)
 
recommendation for 2-methyl thioacetaldehyde usage levels up to :
 not for fragrance use.
recommendation for 2-methyl thioacetaldehyde usage levels up to :
  25.0000 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
 
 
 
 2-methylsulfanylacetaldehyde
(EINECS) number :245-587-6
chemidplus :023328623
EPA Substance Registry Services :23328-62-3

references :
 2-methylsulfanylacetaldehyde
fl. number :12.040
jecfa number :465
pubchem :42067960

other :
VCF-Online: VCF Volatile Compounds in Food
synonyms :
(methyl mercapto) acetaldehyde
2-(methyl mercapto) acetaldehyde
 methyl mercaptoacetaldehyde
(methyl thio) acetaldehyde
2-(methyl thio) acetaldehyde
2-methylsulfanylacetaldehyde
2-methylthioacetaldehyde

soluble in :
 alcohol

insoluble in :
 water

stability :
 alkalis

(odor and/or flavor) blends with :
 allyl mercaptan
 allyl sulfide
 benzyl mercaptan
1,3-butane dithiol
 butyl mercaptan
isobutyl mercaptan
 diisopropyl sulfide
 diisopropyl trisulfide
 dimethyl sulfide
 ethyl isothiocyanate
 ethyl methyl sulfide
 ethyl vinyl ketone
 heptyl mercaptan
1-para-menthene-8-thiol
3-mercapto-2-methyl pentanal
3-mercapto-2-methyl pentanol
 methional
 methyl 3-(methyl thio) propionate
2-methyl 5-(methyl thio) furan
 methyl isothiocyanate
 methyl propyl disulfide
 methyl propyl trisulfide
4-(methyl thio) butanol
3-(methyl thio) hexanol
3-(methyl thio) propanol
2-methyl-5-methoxythiazole
 onion oil
4-pentenyl isothiocyanate
 potato butanone
isopropyl isothiocyanate
 radish isothiocyanate
ortho-thiocresol
2,3,5-trithiahexane
 yeast thiazoline

(odor and/or flavor) used in :
 bread
 coffee
 horseradish
 mustard
 nut
 potato
 radish

natural occurrence in :
coffee



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