Food safety and quality: details

Flavouring	4-Mercapto-3-methyl-2-butanol
Synonym(s)	4-Thio-3-methyl-2-butanol;3-Methyl-4-sulfanyl-2- butanol
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required
Chemical name	3-Methyl-4-sulfanyl-butan-2-ol
JECFA number	2084
CAS number	33959-27-2
FEMA number	4698
COE number
FLAVIS number
Molecular weight	120.21
Chemical formula	C5H12OS
Physical form/odour	Clear to pale yellow liquid; Fruity meaty savoury aroma upon dilution
Solubility	Soluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	189-191°
Assay min %	95%
Acid value max
Refractive index	1.470-1.474
Specific gravity	0.968-0.980
Other requirements
ID Test	IR HNMR
Spectrum