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Online Edition: "Specifications for Flavourings"
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| Flavouring |
1-Butanethiol |
| Synonym(s) |
Butyl mercaptan
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| Latest JECFA evaluation |
1999 (Session 53)
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| Status of specification |
Full |
| Chemical name |
1-Butanethiol
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| JECFA number |
511 |
| CAS number |
109-79-5
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| FEMA number |
3478
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| COE number |
526
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| FLAVIS number |
-
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| Molecular weight |
90.19 |
| Chemical formula |
C4H10S
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| 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 |
- |
| Refractive index |
1.444-1.452 |
| Specific gravity |
0.842-0.847 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/511.gif
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