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Online Edition: "Specifications for Flavourings"

Flavouring Furfuryl mercaptan
Synonym(s) alpha-Furfuryl mercaptan;2-Furylmethanethiol
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 2-Furanmethanethiol
JECFA number 1072
CAS number 98-02-2
FEMA number 2493
COE number 2202
FLAVIS number
Molecular weight 114.16
Chemical formula C5H6OS
Physical form/odour Colourless oily liquid; extremely powerful and diffusive odour which on dilution becomes agreeable, coffee-like, caramellic-burnt, sweet
Solubility Insoluble in water; soluble in oils
Solubility in ethanol Miscible at room temperature
Boiling point (°C) 154-155°
Assay min % 97%
Acid value max
Refractive index 1.527-1.542
Specific gravity 1.125-1.135 (20°)
Other requirements