Food safety and quality: details

Flavouring	3-Methyl-2-butanethiol
Synonym(s)
Latest JECFA evaluation	1999 (Session 53)
Status of specification	Full
Information required
Chemical name	3-Methyl-2-butanethiol
JECFA number	517
CAS number	2084-18-6
FEMA number	3304
COE number	11510
FLAVIS number
Molecular weight	104.22
Chemical formula	C5H12S
Physical form/odour	colourless liquid with repulsive, mercaptan-like odour
Solubility	insoluble in water, miscible with alcohol and ether
Solubility in ethanol
Boiling point (°C)	117-118°
Assay min %	99%
Acid value max
Refractive index	1.442-1.452
Specific gravity	0.835-0.841
Other requirements
ID Test	IR, HNMR, MS
Spectrum