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Moumoujus

3-ETHYLCYCLOPENTANE-1,2-DIONE.

Optional CAS 13494-08-1 / PERFUMING

A naturally occurring cyclic ketone compound that serves primarily as a fragrance ingredient, delivering sweet, caramellic, and maple-like aromatic notes to cosmetic formulations. This molecule can form as a byproduct during thermal degradation of vitamin C, making it an unexpected presence in some ascorbic acid-containing products.

Summary

perfuming

Science

Mechanism of Action

Functions exclusively as a sensory modifier through olfactory interaction, providing characteristic sweet aromatic properties without demonstrated therapeutic skin benefits

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Limited to 0.01% by IFRA guidelines for fragrance applications, making dusting practices irrelevant due to regulatory constraints

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Shows moderate water solubility at approximately 105 g/L and miscibility with alcohols, glycerol, and propylene glycol. Exists in stabilized enol tautomeric form through intramolecular hydrogen bonding but remains sensitive to oxidative conditions.

Conflicts

  • Strong oxidizing agents
  • Strong bases

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.01%%
Sensitization risk Unknown

IFRA 49th Amendment restricts usage to 0.01% maximum in fragrance concentrates. Listed in EU CosIng database as perfuming agent without specific regulatory restrictions.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A specialized fragrance ingredient with limited therapeutic relevance, useful only for specific aromatic profiles in cosmetic formulations.

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