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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 |
|
| Chemical name |
1-Butanethiol |
| JECFA number |
511 |
| CAS number |
109-79-5 |
| FEMA number |
3478 |
| COE number |
526 |
| FLAVIS number |
|
| 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 |
|
| Refractive index |
1.444-1.452 |
| Specific gravity |
0.842-0.847 |
| Other requirements |
|
| ID Test |
IR |
| Spectrum |
 
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![](../typo3conf/ext/dyna_fef/download.php?dfile=/work/htdocs/disseminationtypo3/web/fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/511.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/511.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/511.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/511.gif" width="60px;"></a><br> "Download")
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