Nootkatone Crystals

IFF

Available

neat or unspecified

single substance

Short profile

Olfactive family according to source: Citrus. The documented product profile combines citrusy, woody, grapefruit, powerful.

citrus

woody

grapefruit-like

powerful

Effect in a formula

Freshness giver

Top accent

Lift

Can lighten the top note and open citrus or aromatic accords; sensorially test the transition and remaining effect in the drydown.

Use and dosage

Manufacturer's recommended use for this product grade: Traces to 2%. This is not an IFRA limit. Low: lifts the opening. Medium: forms a clear citrus top note. High: can mask other top notes; check transition and residual effect in the heart over time.

Traces to 2%

Manufacturer use guidance for this exact product — not an IFRA limit. IFRA standards must be verified separately for the specific substance scope and product grade.

Behaviour and performance

Note impact (source)Top High; Heart High

Tenacity> 48 hours

Reported as stated by the source. Diffusion, tenacity and note impact are not combined into a single performance score.

Good areas of use

No data available.

Chemical context

CAS4674-50-4

Chemical name6-Isopropenyl-4,4a-dimethyl-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one

FormulaC15H22O

Molecular weight218 g/mol

Function classKetone

Vapour pressure0.001183 mmHg at 23 °C (0.1577 Pa)

Relative VP bandmedium

The Pa value is a unit conversion only, not a temperature normalisation. VP band and molecular weight are not translated into evaporation hours.

At 23 °C a vapor pressure of 0.001183 mmHg (≈ 0.1577 Pa) was reported; relative physical band class: medium. This is not a prediction of evaporation time, odor strength, diffusion or skin/blotter duration.

Source: IFF Ingredients Compendium – Nootkatone Crystals

Open source

Last reviewed: 2026-09-07