Food safety and quality: details

Flavouring	2,5-Dimethyl-3-tetrahydrofuranthiol, cis and trans isomers
Synonym(s)
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	Tetrahydro-2,5-dimethylfuran-3-thiol
JECFA number	1091
CAS number	26486-21-5
FEMA number	3971
COE number
FLAVIS number
Molecular weight	132.2
Chemical formula	C6H12OS
Physical form/odour	Pale yellow to amber liquid; roasted meat, sulfurous onion aroma
Solubility	Insoluble in water,soluble in organic solvents, fats
Solubility in ethanol	Miscible at room temperature
Boiling point (°C)	175°; 75° (25 mm Hg)
Assay min %	96% (mixture of 4 stereoisomers)
Acid value max
Refractive index	1.477-1.484
Specific gravity	1.040-1.048 (20°)
Other requirements
ID Test	MS IR NMR
Spectrum