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Online Edition: "Specifications for Flavourings"

Flavouring 3-(Methylthio)butanal
Synonym(s) 3-(Methylthio)butyraldehyde
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 3-(Methylthio)butanal
JECFA number 467
CAS number 16630-52-7
FEMA number 3374
COE number 11687
FLAVIS number
Molecular weight 118.19
Chemical formula C5H10OS
Physical form/odour colourless to pale yellow liquid with green, musky, buchu odour
Solubility insoluble in water; soluble in alcohol
Solubility in ethanol
Boiling point (°C) 190-192°
Assay min % 96%
Acid value max
Refractive index 1.473-1.517
Specific gravity 0.994-1.003
Other requirements
ID Test IR