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2-NONYN-1-AL DIMETHYLACETAL.

Optional CAS 13257-44-8 / PERFUMING

A specialized fragrance component that delivers distinctive green, floral, and violet leaf-like scent notes to skincare formulations. This acetal compound serves purely as a perfuming agent, offering aromatic enhancement without direct skin-active properties.

perfuming

Science

Functions exclusively as an olfactory ingredient, providing sensory enhancement through its characteristic green-floral fragrance profile rather than exerting physiological effects on skin cells or tissue.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

As a fragrance ingredient with no therapeutic claims, dusting practices are not applicable to this component.


The Formula

Solubility
Oil
Optimal pH 6 – 9
0 7 14

Stability

Maintains stability in alkaline environments but degrades through hydrolysis in acidic conditions below pH 5, reverting to parent aldehyde and alcohol compounds. Requires protection from extreme heat exposure.

Conflicts

  • strong acids
  • strong alkalis
  • oxidizing agents

Safety

CIR Status
Not reviewed
Max tested
10.41%
Sensitization risk Low

Regulated by IFRA with category-specific limits: 0.66% in lip products, 0.84% in deodorants, and 3.47% in facial applications. RIFM 2019 assessment addressed dermal sensitization potential.


Your Skin

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

Our Assessment

Optional

A well-tolerated fragrance component suitable for most skin types but purely cosmetic in function with no therapeutic value.


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References