Fixobois 66606 RF17 (Firmenich®)
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Short profile
A warm woody base whose dryness is softened by a rounded, unobtrusive texture. Cedar and sandalwood nuances sit alongside an amber impression and a faint musky softness, without the pointed pencil-like edge associated with some cedar profiles. Its presence on a smelling strip is understated rather than forceful, with residual odour reported over several days. The supplier describes its persistent base character but does not distinguish separate opening and heart stages.
Effect in a formula
Provides a persistent woody support that helps maintain continuity through a fragrance's development while leaving its principal identity largely intact. It reinforces cedar and amber structures and prolongs floral impressions. Its relatively neutral character permits broad application, with woody, amber, floral and fougère compositions specifically highlighted.
Use and dosage
The supplier gives 1–20% of the fragrance concentrate as its general formulation range for woody fixation. A separate recommendation of 1–10% refers to the finished fragrance, not the concentrate, and should be kept distinct. These are use recommendations, not IFRA limits; no specific trace-use or overdose guidance is supplied.
No confirmed manufacturer use level for this exact product.
Behaviour and performance
- Tenacity
- Reported to remain perceptible for days on a smelling strip when evaluated as a 10% solution, despite its restrained intensity. The page supplies neither an exact duration in hours nor a detailed test protocol.
Diffusion, tenacity and note impact are not combined into a single performance score.
Dissolving and diluting
- Solvents
- The base is reported to give clear solutions with ethanol, DPG or IPM. No quantitative solubility data or water-compatibility information is provided.
- Working dilution
- Use a 10% dilution for olfactory assessment; ethanol is the solvent selected in the supplier's dilution-calculator link. For formulation work, the page allows either undiluted material or a 10% preparation, and also lists DPG and IPM as compatible solvents.
- Appearance
- A viscous base ranging from colourless through a light yellow tint.