Guaiacol
Aroma Chemical CAS 90-05-1
A strong phenolic note with a smoky woody character and a warm spicy facet. Used in the smallest traces, it is the backbone of smoke and tar accords.
Odor profile
| Descriptor 1 | Spicy |
| Descriptor 2 | Smoky |
| Descriptor 3 | Animal-like |
| Odor Impact1 | 1250 |
| Tenacity2 | 280 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Identification
| CAS Number | 90-05-1 |
| INCI Name | Guaiacol |
| Category | Aroma Chemical |
| Formula | C7H8O2 |
| Mol. Weight | 124.14 |
| IUPAC Name | 2-methoxyphenol |
| InChIKey | LHGVFZTZFXWLCP-UHFFFAOYSA-N |
Synonyms
2-Methoxyphenol; o-Methoxyphenol; anastil; creodon; guaiaco; nat. guaiacol; o-guaiacol; o-guaiacol natural; guaiastil; guajacol; guajol; guasol; 1-hydroxy-2-methoxybenzene; 2-hydroxy-anisole; 2-hydroxyanisole; o-hydroxyanisole; ortho-hydroxyanisole; o-methoxy catechol; 2-methoxy-phenol; o-methoxy-phenol; 1-oxy-2-methoxybenzene; ortho-methoxyphenol; methyl catechol; o-methyl catechol; ortho-methyl catechol; o-methylcatechol; ortho-methylcatechol; phenol, 2-methoxy-; pyrocatechol methyl ester; pyrocatechol monomethyl ether
Physical and chemical data
| Boiling Point | 206.1 °C |
| Melting Point | 28.0 °C |
| Flash Point | 82.2 °C |
| Density | 1.1287 |
| Refractive Index | 1.5429 |
| Vapor Pressure | 5 mmHg at 174 °F (NTP, 1992) |
| LogP | 1.3 |
| Solubility | 1 g /o-methoxyphenol/ is soluble in 60-70 mL water, in 1 mL glycerol |
| Appearance | O-methoxyphenol appears as colorless to amber crystals or liquid. Density (of solid) 1.129 g / cm3. Solidifies at 28 °C (82.4 °F), but may remain liquid for a long time even at a much lower temperatur |
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.