Food safety and quality
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Flavouring |
2,5-Dimethyl-3-thioacetoxy-tetrahydrofuran, cis and trans isomers |
Synonym(s) |
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Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
S-(2,5-Dimethyl)tetrahydrofuran-3-yl thioacetate |
JECFA number |
1092 |
CAS number |
252736-39-3 |
FEMA number |
3972 |
COE number |
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FLAVIS number |
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Molecular weight |
174.3 |
Chemical formula |
C8H14O2S |
Physical form/odour |
Pale yellow liquid; roast meat, sulfurous,onion aroma |
Solubility |
Insoluble in water,soluble in organic solvents, fats |
Solubility in ethanol |
Miscible at room temperature |
Boiling point (°C) |
241° (760 mm Hg); 50° (1 mm Hg) |
Assay min % |
90% (mixture of 4 stereoisomers) |
Acid value max |
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Refractive index |
1.468-1.474 |
Specific gravity |
0.933-1.003 (20°) |
Other requirements |
SC: 2,5-Dimethyltetrahydrofuran-3-thiol, Dimethyltetrahydro-3-furyl dithioacetate |
ID Test |
MS IR NMR |
Spectrum |
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