|
Food safety and quality
|
|
|
| |
| Flavouring |
2-Naphthalenethiol |
| Synonym(s) |
2-Mercaptonaphthalene;2-Thionapthol;2-Naphthyl mercaptan |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Naphthalenethiol |
| JECFA number |
531 |
| CAS number |
91-60-1 |
| FEMA number |
3314 |
| COE number |
2330 |
| FLAVIS number |
|
| Molecular weight |
160.23 |
| Chemical formula |
C10H8S |
| Physical form/odour |
crystals with disagreeable mercaptan-like odour |
| Solubility |
slightly soluble in water; soluble in alcohol and ether |
| Solubility in ethanol |
|
| Boiling point (°C) |
210.5° (100mm Hg) |
| Assay min % |
98% |
| Acid value max |
|
| Refractive index |
NA |
| Specific gravity |
NA |
| Other requirements |
mp: 79-81°; Decomposes at 285° |
| ID Test |
MS |
| Spectrum |
 
|
|
|
|
![](../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/531.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/531.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/531.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/531.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/531.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/531.gif" width="60px;"></a><br>)