Food safety and quality
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Flavouring |
2-Oxothiolane |
Synonym(s) |
Thiolan-2-one;Thiacyclopentanone-2;Thiobutyrolactone;Tetrahydro-2-thiophenone;4-Butyrothiolactone;2-Oxotetrahydrothiophene;gamma-Thiobutyrolactone |
Latest JECFA evaluation |
2010 (Session 73) |
Status of specification |
Full |
Information required |
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Chemical name |
dihydrothiophen-2(3H)-one |
JECFA number |
1923 |
CAS number |
1003-10-7 |
FEMA number |
4570 |
COE number |
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FLAVIS number |
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Molecular weight |
102.15 |
Chemical formula |
C4H6OS |
Physical form/odour |
Clear colourless to yellow liquid; Burnt garlic aroma |
Solubility |
Practically insoluble or insoluble in water |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
195-197° |
Assay min % |
95% |
Acid value max |
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Refractive index |
1.518-1.528 |
Specific gravity |
1.175-1.185 (20°) |
Other requirements |
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ID Test |
HNMR MS |
Spectrum |
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