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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2-Naphthalenethiol |
| Synonym(s) |
2-Mercaptonaphthalene
2-Naphthyl mercaptan
2-Thionapthol
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| Latest JECFA evaluation |
2001 (Session 57)
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| Status of specification |
Full |
| Chemical name |
2-Naphthalenethiol
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| JECFA number |
531 |
| CAS number |
91-60-1
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| FEMA number |
3314
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| COE number |
2330
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| FLAVIS number |
-
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| Molecular weight |
160.23 |
| Chemical formula |
C10H8S
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| 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 |
- |
| Specific gravity |
- |
| Other requirements |
mp: 79-81°; Decomposes at 285° |
| ID Test |
MS |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/531.gif
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