Food safety and quality: details

Flavouring	3-Mercapto-3-methylbutyl isovalerate
Synonym(s)	Butanoic acid, 3-methyl-, 3-mercapto-3-methylbutyl ester
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	3-mercapto-3-methylbutyl 3-methylbutanoate
JECFA number	1927
CAS number	612071-27-9
FEMA number	4584
COE number
FLAVIS number
Molecular weight	204.33
Chemical formula	C10H20O2S
Physical form/odour	Clear colourless to yellow liquid; Fruity aroma with sulphureous undertones
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	70° (11 mm Hg)
Assay min %	97%
Acid value max
Refractive index	1.450-1.460
Specific gravity	0.949-0.959 (20°)
Other requirements
ID Test	HNMR IR MS
Spectrum