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Online Edition: "Specifications for Flavourings"
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About the data
Analytical Methods (Volume 4)
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Flavouring
4-Mercapto-2-pentanone
Synonym(s)
4-Mercaptopentan-2-one
Latest JECFA evaluation
2007 (Session 68)
Status of specification
Full
Information required
Chemical name
4-Mercapto-2-pentanone
JECFA number
1670
CAS number
92585-08-5
FEMA number
4157
COE number
FLAVIS number
Molecular weight
118.2
Chemical formula
C5H10OS
Physical form/odour
Clear, colourless liquid; Strong, pungent, meaty aroma
Solubility
Soluble in ether and chloroform; insoluble in water
Solubility in ethanol
Soluble
Boiling point (°C)
258-260°
Assay min %
95%
Acid value max
Refractive index
NA
Specific gravity
NA
Other requirements
Product is a 1% solution of 4-mercapto-2-pentanone, purity 95% min, in acetoin
ID Test
HNMR IR MS
Spectrum