Food safety and quality: details

Flavouring	Propyl 2-mercaptopropionate
Synonym(s)
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	Propyl 2-mercaptopropionate
JECFA number	1667
CAS number	19788-50-2
FEMA number	4207
COE number
FLAVIS number
Molecular weight	148.23
Chemical formula	C6H12O2S
Physical form/odour	Colourless liquid; Cooked brown and roasted meat aroma
Solubility	Sparingly soluble in water; soluble in pentane and diethyl ether
Solubility in ethanol	Soluble
Boiling point (°C)	191-194°
Assay min %	97%
Acid value max
Refractive index	1.447-1.453
Specific gravity	1.014-1.020
Other requirements
ID Test	CNMR HNMR IR MS
Spectrum