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Online Edition: "Specifications for Flavourings"

Flavouring 2-(Methylthio)ethanol
Synonym(s) 2-Methanesulfanylethanol;Hydroxyethyl methyl sulfide;beta-Hydroxyethyl methyl sulfide;beta-Methylmercaptoethanol;beta-(Methylthio)ethanol;2-Methylmercaptoethanol;2-Hydroxyethyl methyl sulfide
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 2-(Methylthio)ethanol
JECFA number 1297
CAS number 5271-38-5
FEMA number 4004
COE number
FLAVIS number 12.179
Molecular weight 92.16
Chemical formula C3H8OS
Physical form/odour colourless to pale yellow liquid; powerful meat-like aroma
Solubility Insoluble in water; soluble in non-polar solvents
Solubility in ethanol soluble
Boiling point (°C) 169-171°
Assay min % 98%
Acid value max 1
Refractive index 1.490-1.498
Specific gravity 1.055-1.065 (20°)
Other requirements
ID Test CNMR HNMR IR MS
Spectrum