Thymol
Aroma Chemical Base Note CAS 89-83-8
Warm, herbal thyme with a phenolic, medicinal character and a soft camphoraceous, spicy facet. It builds thyme and aromatic herbal accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Herbal |
| Descriptor 2 | Green |
| Descriptor 3 | Smoky |
| Odor Impact1 | 450 |
| Tenacity1 | 30 h |
| Tenacity2 | 176 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 | 89-83-8 |
| INCI Name | Thymol |
| Category | Aroma Chemical |
| Formula | C10H14O |
| Mol. Weight | 150.22 |
| IUPAC Name | 5-methyl-2-propan-2-ylphenol |
| InChIKey | MGSRCZKZVOBKFT-UHFFFAOYSA-N |
Synonyms
Methyl-3-hydroxy-4-isopropyl Benzene, methyl-2,1-methylethyl Phenol, 3-p-cymenol, 2-isopropyl-5-methylphenol, Methyl-2-isopropyl Phenol, 2-(Methylethyl)-5-methylphenol, Thymol cryst. meta Thymol, Thyme camphor, 3-para iso Propyl meta creso1, alpha Oxycymol, 5-Methyl-2-iso propylphenol, 3-Methyl-6-iso propylphenol, 1-Methyl-3-hydroxy-4-iso propylbenzene, 3-Hydroxy paracymene, alpha Cymophenol, 3-para Cymenol, apiguard, p-cymen-3-ol, para-cymen-3-ol, 3-para-cymenol, a-cymophenol, alpha-cymophenol, 3-hydroxy p-cymene, 2-hydroxy-1-isopropyl-4-methylbenzene, 3-hydroxy-1-methyl-4-isopropylbenzene, 1-hydroxy-5-methyl-2-isopropylbenzene, 3-hydroxy-p-cymene, 3-hydroxy-para-cymene, 5-methyl-2-(1-methyl ethyl) phenol, 5-methyl-2-(1-methylethyl)-phenol, 5-methyl-2-(1-methylethyl)phenol, 5-methyl-2-(methylethyl)phenol, 5-methyl-2-(propan-2-yl)phenol, 5-methyl-2-isopropyl-1-phenol, 5-methyl-2-isopropylphenol, 5-methyl-2-propan-2-ylphenol, 5-methyl-2,1-methyl ethyl phenol, 1-methyl-3-hydroxy-4- isopropylbenzene, 1-methyl-3-hydroxy-4-isopropylbenzene, 3-methyl-6-isopropylphenol
Physical and chemical data
| Boiling Point | 232.5 °C |
| Melting Point | 51.5 °C |
| Flash Point | 110.0 °C |
| Density | 0.9699 |
| Refractive Index | 1.5227 |
| Vapor Pressure | 0.0022 [mmHg] |
| LogP | 3.3 |
| Solubility | In water, 900 mg/L at 20 °C |
| Appearance | Other Solid |
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.