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6-ISOBUTYLQUINOLINE.

Optional CAS 68141-26-4 / PERFUMING

A synthetic heterocyclic aromatic compound functioning purely as a fragrance component and fixative agent in cosmetic formulations. This nitrogen-containing molecule delivers distinctive leather, tobacco, and mossy olfactory notes while enhancing the longevity of other volatile fragrance compounds through its high substantivity properties.

perfuming fragrance fixative

Science

Acts exclusively as a fragrance ingredient with no recognized biological activity on skin tissue. Functions through high molecular substantivity to bind fragrance compounds and extend their presence in formulations, while contributing characteristic aromatic notes.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

As a fragrance-only ingredient with no therapeutic skin benefits, dusting concerns are minimal since it serves no functional skincare purpose to inflate


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Demonstrates excellent stability across alcoholic and oil-based systems with high resistance to degradation. LogP value of 3.8-4.0 confirms strong lipophilic character.

Conflicts

  • Potential discoloration in light-colored bases due to nitrogen content

Safety

CIR Status
Not reviewed
Max tested
2.0%%
Sensitization risk Low

Regulated under IFRA standards with typical usage at 0.2% in perfume compounds. While historically noted as potentially irritating in pure form, current safety standards indicate low risk at recommended concentrations.


Your Skin

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Optional

A specialized fragrance ingredient with no skincare benefits, suitable only for products requiring specific leather or tobacco scent profiles.


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References