Food safety and quality: details

Flavouring	(±)-Ethyl 3-mercaptobutyrate
Synonym(s)
Latest JECFA evaluation	2003 (Session 61)
Status of specification	Full
Information required
Chemical name	Ethyl 3-mecaptobutyrate
JECFA number	1294
CAS number	156472-94-5
FEMA number	3977
COE number
FLAVIS number
Molecular weight	148.22
Chemical formula	C6H12O2S
Physical form/odour	Clear, colourless liquid; roasted sweet and sour aroma
Solubility	Insoluble in water; soluble in non-polar solvents
Solubility in ethanol	soluble
Boiling point (°C)	188°
Assay min %	97%
Acid value max	2
Refractive index	1.448-1.453
Specific gravity	1.011-1.021 (20°)
Other requirements
ID Test	CNMR HNMR IR MS
Spectrum