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Online Edition: "Specifications for Flavourings"

Flavouring 4,5-Dihydro-3(2H) thiophenone
Synonym(s) 3-Thiophane;Tetrahydrothiophene-3-one
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 4,5-Dihydro-3(2H)-thiophenone
JECFA number 498
CAS number 1003-04-9
FEMA number 3266
COE number 2337
FLAVIS number
Molecular weight 102.15
Chemical formula C4H6OS
Physical form/odour colourless to yellow liquid with garlic, meaty, green vegetable, buttery odour
Solubility in ethanol
Boiling point (°C) 174-175°; 73° (15 mm Hg) ; 86-87° (25 mm Hg)
Assay min % 97%
Acid value max
Refractive index 1.527-1.531
Specific gravity 1.194-1.199 (20°)
Other requirements
ID Test IR