Food safety and quality
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Flavouring |
Phenethyl mercaptan |
Synonym(s) |
2-Phenethylthiol |
Latest JECFA evaluation |
1999 (Session 53) |
Status of specification |
Full |
Information required |
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Chemical name |
2-Phenylethanethiol |
JECFA number |
527 |
CAS number |
4410-99-5 |
FEMA number |
3894 |
COE number |
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FLAVIS number |
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Molecular weight |
138.23 |
Chemical formula |
C8H10S |
Physical form/odour |
clear, colourless liquid |
Solubility |
insoluble in water, soluble in ethanol, triacetin and heptane |
Solubility in ethanol |
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Boiling point (°C) |
62° |
Assay min % |
99% |
Acid value max |
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Refractive index |
1.560-1.615 |
Specific gravity |
1.027-1.037 |
Other requirements |
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ID Test |
IR, MS, NMR |
Spectrum |
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