Food safety and quality
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Flavouring |
1-Butanethiol |
Synonym(s) |
Butyl mercaptan |
Latest JECFA evaluation |
1999 (Session 53) |
Status of specification |
Full |
Information required |
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Chemical name |
1-Butanethiol |
JECFA number |
511 |
CAS number |
109-79-5 |
FEMA number |
3478 |
COE number |
526 |
FLAVIS number |
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Molecular weight |
90.19 |
Chemical formula |
C4H10S |
Physical form/odour |
colourless to pale yellow liquid with garlic or skunk-like odour |
Solubility |
0.6 g in 100 ml water; slightly soluble in oils |
Solubility in ethanol |
1 ml in 1 ml 95% alcohol |
Boiling point (°C) |
97-98.4° |
Assay min % |
98% |
Acid value max |
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Refractive index |
1.444-1.452 |
Specific gravity |
0.842-0.847 |
Other requirements |
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ID Test |
IR |
Spectrum |
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