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Online Edition: "Specifications for Flavourings"

Flavouring Benzenethiol
Synonym(s) Thiophenol;Phenyl mercaptan
Latest JECFA evaluation 1999 (Session 53)
Status of specification Full
Chemical name Benzenethiol
JECFA number 525
CAS number 108-98-5
FEMA number 3616
COE number 11585
FLAVIS number
Molecular weight 110.17
Chemical formula C6H6S
Physical form/odour colourless to water white or pale yellow mobile liquid with repulsive, penetrating, garlic-like odour
Solubility insoluble in water; slightly soluble in alcohol and ether; soluble in oils
Solubility in ethanol
Boiling point (°C) 169°; 46.4° (10mm Hg)
Assay min % 97%
Acid value max
Refractive index 1.589-1.593
Specific gravity 1.073-1.080
Other requirements
ID Test IR, NMR
Spectrum