Dihydroestragol RC 938476 (Firmenich®)
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Short profile
Tarragon and star anise define the profile, with aromatic herbal spice supported by sweetness. Compared with anethol, its character is softer and sweeter, without the same sharp medicinal edge; a delicate floral nuance rounds the fennel-like aspect. Basil-like greenness and a slight peppery freshness add detail to its herbal character. The supplier positions it primarily in the heart, while also describing an opening role in fougères and a readily noticeable presence in blends. No staged blotter description or specific dry-down transformation is provided.
Use and dosage
The supplier suggests 0.1–1% of the fragrance concentrate as a generally sufficient range. Start at the lower end and increase cautiously, since the anise character can take over the composition. A separate recommendation of 0.1–2% refers to finished fragrance, not concentrate. These are formulation recommendations, not IFRA limits.
No confirmed manufacturer use level for this exact product.
Behaviour and performance
- Tenacity
- The page reports 4 hours of blotter substantivity in its TGSC-attributed data. The concentration and other test conditions behind that duration are not specified.
Diffusion, tenacity and note impact are not combined into a single performance score.
Dissolving and diluting
- Solvents
- Ethanol, DPG and IPM are reported to give clear solutions immediately. Water solubility is limited, while the material is described as miscible with oils.
- Working dilution
- A 10% working solution is listed, with ethanol, DPG and IPM identified as suitable solvents. For smelling, the practical laboratory guidance specifies 1%; an earlier section also suggests 10% for evaluation. The page's dilution-calculator link is configured for a 10% solution in ethanol.
- Appearance
- Liquid with no visible colour.