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Online Edition: "Specifications for Flavourings"

Flavouring 3-Mercapto-2-pentanone
Synonym(s)
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 3-Mercapto-2-pentanone
JECFA number 560
CAS number 67633-97-0
FEMA number 3300
COE number 2327
FLAVIS number
Molecular weight 118.19
Chemical formula C5H10OS
Physical form/odour colourless liquid
Solubility insoluble in water; miscible in alcohol
Solubility in ethanol
Boiling point (°C) 183°; 57° (15 mm Hg)
Assay min % 98%
Acid value max
Refractive index 1.414-1.424
Specific gravity 0.988-0.998
Other requirements
ID Test MS
Spectrum