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Food safety and quality
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| Flavouring |
2-Hydroxybenzoic acid |
| Synonym(s) |
o-Hydroxybenzoic acid;Salicylic acid |
| Latest JECFA evaluation |
2002 (Session 59) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
2-Hydroxybenzoic acid |
| JECFA number |
958 |
| CAS number |
69-72-7 |
| FEMA number |
3985 |
| COE number |
10165 |
| FLAVIS number |
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| Molecular weight |
138.12 |
| Chemical formula |
C7H6O3 |
| Physical form/odour |
White to faint yellow crystalline powder; faint nutty odour |
| Solubility |
very slightly soluble in water; soluble in organic solvents |
| Solubility in ethanol |
very soluble |
| Boiling point (°C) |
211° (20 mm Hg) |
| Assay min % |
99% (by chemical analysis, acid-base titration) |
| Acid value max |
|
| Refractive index |
NA |
| Specific gravity |
NA |
| Other requirements |
m.p. 158-160° |
| 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/958.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/958.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/958.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/958.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/958.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/958.gif" width="60px;"></a><br>)