Food safety and quality
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Flavouring |
2-Thienylmercaptan |
Synonym(s) |
2-Thienylthiol |
Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
2-Mercaptothiophene |
JECFA number |
1052 |
CAS number |
7774-74-5 |
FEMA number |
3062 |
COE number |
478 |
FLAVIS number |
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Molecular weight |
116.2 |
Chemical formula |
C4H4S2 |
Physical form/odour |
Oily, colourless to orange liquid; powerful, sulferaceous, burnt-caramel, roasted-coffee odour |
Solubility |
Very slightly soluble in water |
Solubility in ethanol |
Miscible at room temperature |
Boiling point (°C) |
166° |
Assay min % |
98% |
Acid value max |
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Refractive index |
1.618-1.622 |
Specific gravity |
1.250-1.255 |
Other requirements |
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ID Test |
NMR |
Spectrum |
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