Food safety and quality
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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 |
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Chemical name |
2-Methyl-4,5-dihydrofuran-3-thiol |
JECFA number |
2097 |
CAS number |
26486-13-5 |
FEMA number |
4683 |
COE number |
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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 |
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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 |
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