Toluene has a sweet, pungent, benzene-like solvent odor. It smells sharply aromatic and slightly gasoline-like, with a distinct chemical hydrocarbon character. Not a perfumery aroma material — it is an industrial solvent, historically used as a diluent in nitrocellulose lacquers and nail polish rather than fragrance.AI · claude-opus-4-7
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Other ingredients whose composition declares this material as a constituent. The percentage shown is the supplier-declared concentration in that parent.
| Ingredient | % | Range |
|---|---|---|
| CISTUS OIL (ROCK ROSE) | 0.15% | — |
Perfume and Flavor Chemicals, page 1313.
Colorless mobile liquid.
Very slightly soluble in water, miscible with absolute alcohol, soluble in perfume alcohol and in oils.
Pure toluene has a sweet-gassy odor, milder than that of Benzene. It is much less toxic than Benzene (estimated 20 to 50 times less toxic to human skin and respiratory system).
The title aromatic hydrocarbon is not a perfume or flavor material, but it is included in this work because it is used as a solvent for extraction of active ingredients in plant materials, etc.
1) by isolation from the 'Light Oil' fraction of petroleum tar oil. 2) by cyclodehydrogenation of Heptane (newer method).