Bicyclononalactone (I)

Bicyclonona Lactone

Bicyclononalactone is a refined lactonic aroma molecule prized in modern perfumery as a smooth, elegant alternative to Coumarin.

It delivers a soft, enveloping warmth—balancing creamy gourmand nuances with delicate tonka and almond facets—while offering superior stability and formulation versatility compared to traditional coumarin materials.

In composition, it acts as both a texture enhancer and a rounding agent, imparting a velvety, milky softness that diffuses seamlessly through floral, amber, and gourmand accords.

Its understated, polished character allows it to elevate blends without ever dominating them, making it an essential building block in fine fragrance bases crafted for comfort, depth, and sensuality.

Bicyclononalactone unfolds as a creamy, cashmere-soft warmth, where the richness of tonka bean melts effortlessly into almond milk and whispers of coconut.

Subtly sweet yet impeccably controlled, it evokes the quiet elegance of sun-warmed skin and the golden glow of dried hay carried on a soft breeze.

This molecule lends a silken, enveloping aura to fragrances—softening sharp edges, enriching floral compositions, and enhancing gourmand accords with a refined, modern sensuality.

Its exceptional smoothness and lasting presence create a seamless diffusion, making it indispensable for perfumers seeking to achieve depth without heaviness and warmth without excess sweetness.

Elegant, comforting, and effortlessly sophisticated, Bicyclononalactone embodies the art of modern softness in perfumery.

Function in Perfumery

• Coumarin alternative with improved stability

• Soft base note enhancer (low projection, high blending value)

• Adds creamy, milky, gourmand texture

• Rounds florals, musks, and woody accords

• Extends longevity and smoothness of compositions

Product specification.

CAS No: 4430-31-3
Odour Description (decreasing): Creamy, Lactonic, Tonka, Almond, Vanilla, Coconut, Coumarin, Hay, Soft, Balsamic
Odour Strength: Medium (Recommend smelling in a 10% solution or less)
Usage: Effective from traces, through to 10%
Substantivity: 400 hour(s) at 100%
Solvent: None
Synonyms: Octahydrocoumarin; Octahydro-2H-chromen-2-one; Cyclohexyl Lactone, Bicyclonona Lactone
Name: octahydro-2H-1-benzopyran-2-one
Molecular Formula: C₉H₁₄O₂
IFRA: Not specifically restricted under current IFRA standards; use according to good formulation practice (always verify latest amendment).

Signal word: Danger

Hazard statements:

Precautionary statements:

• P280 Wear protective gloves/eye protection/face protection.
• P305+P351+P338+P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if pre-sent and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor.

Professional/Industrial use only.