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Chemical risks and JECFA
Online Edition: "Specifications for Flavourings"
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About the data
Analytical Methods (Volume 4)
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Flavouring
erythro- and threo-3-Mercapto-2-methylbutan-1-ol
Synonym(s)
Latest JECFA evaluation
2003 (Session 61)
Status of specification
Full
Information required
Chemical name
Mercapto-2-methylbutan-1-ol
JECFA number
1289
CAS number
227456-33-9
FEMA number
3993
COE number
FLAVIS number
Molecular weight
120.21
Chemical formula
C5H12OS
Physical form/odour
colourless to yellow liquid; powerful, penetrating aroma
Solubility
Slightly soluble in water; soluble in organic solvents
Solubility in ethanol
soluble
Boiling point (°C)
96-98° (20 mm Hg)
Assay min %
98%
Acid value max
1
Refractive index
1.482-1.490
Specific gravity
1.002-1.008 (20º)
Other requirements
ID Test
CNMR HNMR IR MS
Spectrum