Food safety and quality: details

Flavouring	Di-(1-propenyl) sulfide (mixture of isomers)
Synonym(s)	cis,trans-Di-1-propenyl sulfide;trans,trans-Di-1-propenyl sulfide;cis, cis-Di-1-propenyl sulfide
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	Mixture of (E)-1-[(Z)-prop-1-enyl]sulfanylprop-1-ene, (Z)-1-[(Z)-prop-1-enyl]sulfanylprop-1-ene and (E)-1-[(E)-prop-1-enyl]sulfanylprop-1-ene
JECFA number	1911
CAS number	37981-37-6;37981-36-5;65819-74-1
FEMA number	4386
COE number
FLAVIS number
Molecular weight	114.21
Chemical formula	C6H10S
Physical form/odour	Clear almost colourless liquid; Savoury brown aroma
Solubility	Very slightly soluble in DMSO
Solubility in ethanol	Soluble
Boiling point (°C)	137-140°
Assay min %	95% (isomeric mixture)
Acid value max
Refractive index	1.498-1.526
Specific gravity	0.875-0.942
Other requirements	Mixture of isomers: 45-46 % E,Z; 31-32% Z,Z; 18-20% E,E
ID Test	HNMR IR MS
Spectrum