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Moumoujus

PHENYLACETALDEHYDE DIMETHYL ACETAL.

Optional CAS 101-48-4 / PERFUMING

Phenylacetaldehyde Dimethyl Acetal functions primarily as a stable green-floral fragrance component, serving as a robust alternative to phenylacetaldehyde. Its unique acetal structure imparts superior chemical stability, making it valuable for enhancing the longevity and intensity of aromatic profiles in formulations.

Summary

fragrance

Science

Mechanism of Action

This ingredient contributes a green-floral scent profile to formulations. Its acetal structure provides enhanced oxidative stability compared to its parent aldehyde, phenylacetaldehyde, thereby acting as a stabilizing agent that preserves the fragrance's intended character and intensity over time.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Phenylacetaldehyde Dimethyl Acetal is a liquid fragrance ingredient and is not associated with dusting phenomena in cosmetic formulations.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Phenylacetaldehyde Dimethyl Acetal demonstrates good stability across various pH ranges under normal conditions. However, extreme acidic or alkaline environments may induce gradual decomposition back into the parent aldehyde. Its acetal bond provides resistance to hydrolysis, ensuring stability during standard storage. It exhibits low volatility and performs well in alcoholic solutions, perfume oils, and diverse cosmetic bases. For optimal preservation, it should be stored below +30°C in a cool, dry, and well-ventilated place, with the container tightly sealed due to its moisture sensitivity.

Conflicts

  • extreme acidic conditions
  • extreme alkaline conditions
  • alkalis
  • amines
  • ammonia
  • chlorine

Safety

Safety Profile

CIR Status
Safe as used
Max tested
2%
Sensitization risk Low

The RIFM Expert Panel for Fragrance Safety has concluded this material is safe for use, reporting no concern for skin sensitization under current use levels. Human maximization tests at a 2% concentration in petrolatum showed no sensitization reactions. It is not genotoxic and is not expected to be phototoxic or photoallergenic. The ingredient is compliant with EU Cosmetics Regulation (EC) No 1223/2009 and not listed on Annex II or III, nor is it subject to specific restrictions under IFRA Standards (up to the 51st Amendment).

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

Phenylacetaldehyde Dimethyl Acetal is a chemically stable green-floral fragrance component, valued for its ability to enhance scent longevity without offering direct benefits to skin health.

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