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2-ETHYLBUTYL CYCLOPENT-2-ENEACETATE.

Optional CAS 94278-39-4 / PERFUMING

A fragrance compound belonging to the cyclopentene acetate family that delivers scent characteristics to skincare formulations. While its primary role is olfactive, this ester may contribute minor skin-conditioning properties through its molecular structure.

perfuming

Science

Functions predominantly as a perfuming agent, providing specific aromatic notes to cosmetic products. The ester structure may offer subtle emollient effects, though fragrance delivery remains the primary mechanism of action rather than direct skin physiological benefits.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

As a fragrance ingredient with no established therapeutic benefits, dusting is not a relevant concern for this compound.


The Formula

Solubility
Oil
Optimal pH 4.5 – 6
0 7 14

Stability

Demonstrates stability within skin-neutral pH ranges but shows vulnerability to hydrolysis under extreme alkaline or acidic conditions due to ester bond susceptibility.

Conflicts

  • strong oxidizing agents
  • strong bases
  • strong acids

Safety

CIR Status
Not reviewed
Sensitization risk Unknown

Appears on IFRA Transparency List and EU CosIng inventory. Raw material carries environmental toxicity classifications (H411, H302) but cosmetic use concentrations are typically much lower.


Your Skin

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

Our Assessment

Optional

A specialized fragrance ingredient that serves cosmetic rather than therapeutic purposes in skincare formulations.


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