Food safety and quality: details

Flavouring	2-Methyl-4,5-dihydrofuran-3-thiol
Synonym(s)	4,5-Dihydro-3-mercapto-2-methylfuran;3-Furanthiol, 4,5-dihydro-2-methyl;3-Mercapto-2-methyl-4,5-dihydrofuran;2-Methyl-4,5-dihydrofuran-3-thiol
Latest JECFA evaluation	2012 (Session 76)
Status of specification	Full
Information required
Chemical name	2-Methyl-4,5-dihydrofuran-3-thiol
JECFA number	2097
CAS number	26486-13-5
FEMA number	4683
COE number
FLAVIS number	13.108
Molecular weight	116.18
Chemical formula	C5H8OS
Physical form/odour	Pale yellow clear liquid; Sulfurous meaty savoury aroma upon dilution
Solubility	Insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	158-160°
Assay min %	55%
Acid value max
Refractive index	1.497-1.534
Specific gravity	1.047-1.143
Other requirements	SC: 35-40% 2-Methyl-3-tetrahydrofuranthiol; 5-7% 2-Methyl-3-furanthiol
ID Test	MS CNMR
Spectrum