Boisiris™ (Givaudan) AC
CAS number 68845-00-1
INCI name 2-Ethoxy-2,6,6-trimethyl-9-methylenebicyclo[3.3.1]nonane
Appearance Colorless to light yellow liquid
Fragrance : Rich woody with a pronounced iris note. Underlying notes of amber and tobacco give depth and elegance.
Usage : Heart to base note in fine fragrance. Blends well with citrus, patchouli, vetiver and sandalwood.
Role in compositions: base note and fixative
Applications : Enhancement of woody-iris accords, adding diffusion and longevity in niche and upscale perfumes
Fragrance strength : medium, up to 2 days on fragrance strip
Diffusion : medium to good
Recommended concentration : 1% to 10% (sometimes up to 30% in wood accords)

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All fragrances are selected with care
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We supply everything from our own stock, unless otherwise stated on the product itself.
Boisiris™ by Givaudan is a warm, woody molecule with an iris-like elegance and long-lasting diffusion, ideal for refined base notes in niche perfumes.
Fragrance profile
- Type : Woody – Orris – Ambery
- Description : Rich woody with a pronounced iris note. Underlying notes of amber and tobacco give depth and elegance.
- Comparison : Related to the ionone family, but with more heat and diffusion.
- Usage : Heart to base note in fine fragrance. Blends well with citrus, patchouli, vetiver and sandalwood.
Use in perfumery
- Recommended concentration : 1% – 10% (sometimes up to 30% in wood accords)
- Applications : Perfume, soap, cosmetics, air fresheners
- Roll : Enhances woody accords with iris or tobacco accents. Adds warmth and volume to compositions.
- Compatibility : Stable in most formulas, including soaps and detergents.
