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Moumoujus

3-ETHYLPYRIDINE.

Optional CAS 536-78-7 / PERFUMING

A synthetic aromatic compound primarily employed as a fragrance modifier in cosmetic formulations. This pyridine derivative delivers distinctive tobacco, leather, and nutty scent profiles to personal care products, functioning exclusively as an olfactory enhancer rather than providing direct skin benefits.

Summary

perfuming

Science

Mechanism of Action

Functions purely as a sensory modifier, delivering fragrance notes through its volatile aromatic properties. At skin's natural pH of approximately 5.5, it maintains its neutral lipophilic form (pKa ~5.56), enabling effective fragrance delivery without penetrating deeply into skin tissue or providing physiological benefits.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Primarily used in specialized fragrance applications rather than as a marketing ingredient, making dusting unlikely

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Demonstrates exceptional thermal stability, remaining stable under high heat conditions. The pKa of 5.56 ensures consistent performance at typical skincare pH ranges.

Conflicts

  • Strong oxidizing agents
  • Strong acids

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

FDA-approved as synthetic flavoring substance under 21CFR172.515. JECFA classification indicates no safety concern at typical usage levels for flavoring applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A specialized fragrance component with no direct skin benefits, suitable only for products requiring specific tobacco or nutty scent profiles.

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