Menthol Crystals
Aroma Chemical Heart Note CAS 2216-51-5
A powerful cooling mentholic note with a fresh peppermint character. Penetrating and clean, it delivers the classic icy mint sensation to mint and functional accords.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Minty |
| Descriptor 2 | Fresh |
| Descriptor 3 | Cooling |
| Odor Impact1 | 120 |
| Tenacity1 | 18 h |
| Tenacity2 | 32 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 2216-51-5 |
| INCI Name | Menthol |
| Category | Aroma Chemical |
| Formula | C10H20O |
| Mol. Weight | 156.26 |
| IUPAC Name | (1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexan-1-ol |
| InChIKey | NOOLISFMXDJSKH-KXUCPTDWSA-N |
Synonyms
L-Menthol, L-1-p-Menthanol-(3), cyclohexanol, 5-methyl-2-(1-methylethyl)-, (1R,2S,5R)-, cyclohexanol, 5-methyl-2-(1-methylethyl)-, (1R,3R,4S)-, L-hexahydrothymol, laevo-hexahydrothymol, levomenthol, L-menthacamphor, laevo-menthacamphor, (1R,3R,4S)-4-menthan-3-ol, (-)-trans-p-menthan-cis-ol, (-)-trans-para-menthan-cis-ol, (1R,3R,4S)-4-menthane-3-ol, (-)-trans-p-menthane-cis-ol, (-)-trans-para-menthane-cis-ol, (-)-(1R,2S,5R)-menthol, (1R,2S,5R)-(-)-menthol, D-(-)-menthol, L-(-)-menthol, nat.L-menthol, (-)-menthol (GC) 99% (sum of enantiomers), laevo-menthol (molten 99.5%), laevo-menthol (natural), L-menthol (pellets) synth. FCC, L-menthol 98% up, japan pharmacopeia grade, L-menthol cryst. nat., menthol crystal Ip/Bp/Usp/Ep/Jp, L-menthol crystal, natural, chinese, L-menthol crystals, organic menthol crystals, menthol crystals (codex) (ex mint), menthol crystals chinese, menthol crystals indian, L-menthol crystals USP natural, laevo-menthol crystals USP select FCC (natural), L-menthol crystals USP synthetic, L-menthol crystals USP/BP/EP/JP natural, menthol ex mint arvensis india, organic menthol flake, menthol flakes FCC synthetic
Physical and chemical data
| Boiling Point | 216.1 °C |
| Melting Point | 37.8 °C |
| Flash Point | 91.1 °C |
| Density | 0.904 |
| Refractive Index | 1.458 |
| Vapor Pressure | 1 mmHg at 133 °F approximately (NTP, 1992) |
| LogP | 3 |
| Solubility | In water, 456 mg/l @ 25 °C |
| Appearance | D,l-menthol is a white crystalline solid with a peppermint odor and taste. (NTP, 1992) |
Regulatory status
EU allergen declaration
| Substance | Share |
|---|---|
| Menthol | 100 % |
Substances that must be named in the ingredient list under Annex III of Regulation (EC) 1223/2009, as amended by Regulation (EU) 2023/1545. Where a range was given, the upper bound is shown.
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.