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2-METHYL-1,5-DIOXASPIROUNDECANE.

Optional CAS 6413-26-9 / PERFUMING

A spirocyclic ketal compound that serves exclusively as a fragrance component in cosmetic formulations, delivering herbal, eucalyptus-like, and woody scent notes. This synthetic aromatic molecule has no therapeutic or active skincare benefits, functioning purely to enhance product sensory experience.

perfuming

Science

Acts solely as a perfuming agent with no documented mechanism of action on skin physiology or dermatological processes.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

As a fragrance ingredient with no active benefits, any significant concentration would be primarily for scent enhancement rather than therapeutic dusting.


The Formula

Solubility
Oil
Optimal pH 7 – 9
0 7 14

Stability

Exhibits stability in neutral to alkaline conditions but undergoes acid-catalyzed hydrolysis below pH 7, breaking down into cyclohexanone and 1,3-butylene glycol components.

Conflicts

  • strong oxidizing agents
  • acidic environments below pH 7
  • strong acids

Safety

CIR Status
Not reviewed
Sensitization risk Moderate

Recognized by IFRA for fragrance use with potential for skin and eye irritation (R 36/38 classification). No specific regulatory concentration limits established.


Your Skin

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

Our Assessment

Optional

A fragrance-only ingredient with moderate irritation potential and no skincare benefits beyond sensory enhancement.


Related

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References