Food safety and quality: details

Flavouring	3-Mercapto-2-methylpentan-1-ol (racemic)
Synonym(s)
Latest JECFA evaluation	2004 (Session 63)
Status of specification	Full
Information required
Chemical name	3-Mercapto-2-methylpentanol
JECFA number	1291
CAS number	227456-27-1
FEMA number	3996
COE number
FLAVIS number
Molecular weight	134.24
Chemical formula	C6H14OS
Physical form/odour	Clear liquid; onion like aroma
Solubility	Slightly soluble in water; soluble in organic solvents
Solubility in ethanol	soluble
Boiling point (°C)	50° (0.5 mm Hg)
Assay min %	99%
Acid value max	1
Refractive index	1.480-1.490
Specific gravity	0.985-0.995
Other requirements
ID Test	CNMR HNMR IR
Spectrum