1-(methyl thio) ethane thiol
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IUPAC name :1-methylsulfanylethanethiol
InChI :InChI=1/C3H8S2/c1-3(4)5-2/h3-4H,1-2H3
InChIKey :GHIADNFHCKUPJL-UHFFFAOYAL
SMILES :CC(S)SC
cas number :31331-53-0
fl. number :12.180
molar refractivity :31.79 ± 0.3 cm3
parachor :251.4 ± 4.0 cm3
index of refraction :1.509 ± 0.02
surface tension :31.1 ± 3.0 dyne/cm
density :1.016 ± 0.06 g/cm3
polarizability :12.60 ± 0.5 10-24cm3
XlogP : 1.90
molecular weight : 108.2256200 (IUPAC)
formula :C3 H8 S2
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

organoleptics :
odor description :
thiamine

properties :
appearence :colorless clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.87900 to 0.88500 @ 25.00 °C.
pounds per gallon - calc. : 7.314 to 7.364
refractive index :1.52200 to 1.52800 @ 20.00 °C.
boiling point : 131.00 to 132.00 °C. @ 760.00 mm Hg
flash point : 94.00  °F.  TCC  ( 34.44 °C. )
logP (o/w) : 1.57

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) :0.12 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :78 (μg/person/day)
Threshold of concern :1800 (μg/person/day)
Structure Class :I
 
recommendation for 1-(methyl thio) ethane thiol usage levels up to :
 not for fragrance use.
 
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFFA, 2002i).
Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0) : 0.200001.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 0.100000.50000
Edible ices, including sherbet and sorbet (03.0) : 0.200001.00000
Processed fruit (04.1) : 0.200001.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 0.200001.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 0.100000.50000
Bakery wares (07.0) : 0.200001.00000
Meat and meat products, including poultry and game (08.0) : 0.100000.20000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 0.100000.20000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0) : 0.200001.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 0.100000.30000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 0.200001.00000
Ready-to-eat savouries (15.0) : 0.400002.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 0.100000.50000

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
 
WGK Germany :3
 
 
 
 1-methylsulfanylethanethiol
chemidplus :31331-53-0
EPA Substance Registry Services :31331-53-0

references :
 1-methylsulfanylethanethiol
fl. number :12.180
NIST Chemistry WebBook :2270755230
pubchem :11076961

other :
VCF-Online: VCF Volatile Compounds in Food
synonyms :
1-methyl sulfanyl ethane thiol
1-(methyl thio) ethane-1-thiol
1-methyl thioethane thiol
1-methylsulfanylethanethiol

soluble in :
 alcohol
 water, slightly

insoluble in :
 water

natural occurrence in :
found in nature



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