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Online Edition: "Specifications for Flavourings"

Flavouring 1-p-Menthene-8-thiol
Synonym(s) alpha,alpha,4-Trimethyl-3-cyclohexene-1-methanethiol
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 1-p-Menthene-8-thiol
JECFA number 523
CAS number 71159-90-5
FEMA number 3700
COE number
FLAVIS number
Molecular weight 170.31
Chemical formula C10H18S
Physical form/odour Colourless liquid with aroma and taste of grapefruit in dilute solution
Solubility slightly soluble in water, soluble in fat
Solubility in ethanol
Boiling point (°C) 37° (0.1 mm Hg); 58° (0.33 mm Hg)
Assay min % 98%
Acid value max
Refractive index 1.504
Specific gravity 0.948 (20°)
Other requirements
ID Test IR
Spectrum