Food safety and quality: details

Flavouring	bis(1-Mercaptopropyl)sulfide
Synonym(s)
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	bis(1-Mercaptopropyl)sulfide
JECFA number	1709
CAS number	53897-60-2
FEMA number	4297
COE number
FLAVIS number
Molecular weight	182.38
Chemical formula	C6H14S3
Physical form/odour	Liquid; Sulphury odour
Solubility	Slightly soluble in water; soluble in many polar solvents
Solubility in ethanol	Soluble
Boiling point (°C)	225-226° (76 mm Hg)
Assay min %	95%
Acid value max
Refractive index	1.545-1.551
Specific gravity	1.080-1.084
Other requirements	Contains 56% min bis(1-mercaptopropyl)sulfide, 36% min 3,5-diethyl-1,2,4-trithiolane; contains approx. 5% dipropylsulfide
ID Test	CNMR HNMR IR
Spectrum