Food safety and quality
| share

Online Edition: "Specifications for Flavourings"

Flavouring 2-Thienylmercaptan
Synonym(s) 2-Thienylthiol
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 2-Mercaptothiophene
JECFA number 1052
CAS number 7774-74-5
FEMA number 3062
COE number 478
FLAVIS number
Molecular weight 116.2
Chemical formula C4H4S2
Physical form/odour Oily, colourless to orange liquid; powerful, sulferaceous, burnt-caramel, roasted-coffee odour
Solubility Very slightly soluble in water
Solubility in ethanol Miscible at room temperature
Boiling point (°C) 166°
Assay min % 98%
Acid value max
Refractive index 1.618-1.622
Specific gravity 1.250-1.255
Other requirements