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Moumoujus

ACETALDEHYDE DIPHENETHYL ACETAL.

Optional CAS 122-71-4 / PERFUMING

A synthetic fragrance acetal that provides controlled release of green, leafy, floral notes in cosmetic formulations. Functions as a perfuming agent with engineered stability in neutral to alkaline conditions, designed to gradually hydrolyze and release aromatic aldehydes.

Summary

perfuming

Science

Mechanism of Action

Works through controlled hydrolysis in acidic skin environments, breaking down into acetaldehyde and phenethyl alcohol to deliver fragrance compounds. Maintains structural integrity in neutral to alkaline pH ranges for sustained olfactory performance.

Research

Clinical Evidence

Medium confidence
Effective range ≤5%
Optimal

N/A

Key findings

  1. 01 Demonstrated safety profile in fragrance concentrates with no significant sensitization or irritation based on structural analogue data

Transparency

Dusting Analysis

Not commonly dusted

Specialized fragrance ingredient with limited skincare applications, not subject to marketing inflation tactics

The Formula

Formulation

Solubility
Oil
Optimal pH 6 – 9
0 7 14

Stability

Exhibits excellent stability under alkaline conditions but undergoes rapid hydrolysis in acidic environments below pH 6.0

Conflicts

  • Strong acids
  • Oxidizing agents

Safety

Safety Profile

CIR Status
Not reviewed by CIR
Max tested
5%
Sensitization risk Low

Classified as Cramer Class I (low toxicity) by RIFM. SCCS restricts acetaldehyde byproduct to 100 ppm due to Category 2 carcinogen classification

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A specialized fragrance component suitable for non-sensitive skin types when formulated within regulatory limits.

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