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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Menthol |
| Synonym(s) |
-
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| Latest JECFA evaluation |
1998 (Session 51)
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| Status of specification |
Full |
| Chemical name |
3-p-Menthanol
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| JECFA number |
427 |
| CAS number |
89-78-1
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| FEMA number |
2665
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| COE number |
63
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| FLAVIS number |
-
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| Molecular weight |
156.27 |
| Chemical formula |
C10H20O
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| Physical form/odour |
colourless, hexagonal crystals, usually needle-like; fused masses or crystalline powder with a pleasant, peppermint-like odour |
| Solubility |
very soluble in alcohol and volatile oils; slightly soluble in water |
| Solubility in ethanol |
- |
| Boiling point (°C) |
212 ((-)-isomer 216.5) |
| Assay min % |
95 (sum of 2 isomers) |
| Acid value max |
- |
| Refractive index |
1.461 |
| Specific gravity |
0.901 (20°); 0.891 (30°) |
| Other requirements |
Melting Range: 41-44° ((-)-menthol); Nonvolatile Residue: =< 0.05%; Angular Rotation: -52° to -40° ((-)-menthol): -2° to +2° (dl-menthol) |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/427.gif
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