Food safety and quality: details

Flavouring	2-Methyl-3-tetrahydrofuranthiol
Synonym(s)
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	2-Methyltetrahydrofuran-3-thiol
JECFA number	1090
CAS number	57124-87-5
FEMA number	3787
COE number
FLAVIS number
Molecular weight	118.2
Chemical formula	C5H10OS
Physical form/odour	Clear liquid; roasted meat, sulfurous onion aroma
Solubility	Insoluble in water; soluble in fat
Solubility in ethanol	Miscible at room temperature
Boiling point (°C)	79° (54 mm Hg)
Assay min %	97%
Acid value max
Refractive index	1.475-1.491
Specific gravity	1.042-1.049
Other requirements	[71% trans and 26% cis isomer]
ID Test	MS IR NMR
Spectrum