Benzoic acid has a very faint, mildly balsamic-sweet odor with a subtle powdery-resinous character reminiscent of benzoin resin. In perfumery it functions more as a fixative and modifier than as an odorant, contributing quiet warmth and depth rather than a distinct top note.AI · claude-opus-4-7
Other ingredients whose composition declares this material as a constituent. The percentage shown is the supplier-declared concentration in that parent.
| Ingredient | % | Range |
|---|---|---|
| Benzoin Siam Resinoid 50% TEC | — | — |
Perfume and Flavor Chemicals, page 124.
White crystal plates or leaflets, or needles.
0.35° soluble in water, 5° soluble in boiling water, 33°4 in alcohol. Soluble in most perfume materials.
Odorless when pure. However, the commercial product usually carries a peculiar, unpleasant 'Urine-like' or faint Carbylamine-like odor, which is hardly perceptible unless a large quantity of the acid is smelled.
The acid finds use as a preservative (as acid or its sodium salt) in fruit juices, beverages, etc.
It is used in Chocolate, Lemon, Orange, Cherry, Fruit and Nut preserves and in Tobacco products. Concentrations amount to 250 ppm in the finished product. The same concentration is used in icings.
1) from Phthalic anhydride (various methods) 2) from Toluene by oxidation.