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Moumoujus

5-ETHYLIDENEBICYCLOHEPT-2-YL PROPIONATE.

Questionable CAS 73347-77-0 / PERFUMING

A synthetic fragrance compound that serves primarily as a perfuming agent in cosmetic formulations. This lipophilic ester delivers scent enhancement without direct biological activity on skin cells, making it a functional but non-active ingredient in skincare products.

Summary

perfuming

Science

Mechanism of Action

Functions exclusively as an olfactory enhancement agent by releasing volatile aromatic compounds that interact with scent receptors. Does not exhibit any direct biological mechanisms of action on skin cells or contribute to skincare efficacy beyond sensory experience.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a fragrance component with no skincare benefits, inclusion in precision skincare formulas serves only aesthetic purposes rather than functional enhancement

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Ester structure renders it vulnerable to hydrolytic degradation under extreme pH conditions. High lipophilicity (logP 3.278) ensures oil-phase compatibility but limits water-based formulation options.

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Regulated under IFRA fragrance standards with recent RIFM safety assessment updates in 2023. EU CosIng approved for cosmetic use as perfuming agent with no recorded FDA or SCCS restrictions.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

Adds fragrance without functional skincare benefits, making it unnecessary in precision formulations focused on measurable skin outcomes.

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