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PHENYLACETALDEHYDE DIHYDROGERANYL ACETAL.

Questionable CAS 67634-04-2 / PERFUMING

Phenylacetaldehyde Dihydrogeranyl Acetal is an aromatic compound predominantly used in cosmetic formulations to impart a floral, green, or rose-like fragrance. Its acetal structure contributes to greater stability compared to the corresponding aldehyde.

Fragrance

Science

This ingredient functions exclusively as a perfuming agent, contributing a specific scent profile through its volatile molecular structure. It does not exert any direct biological activity or functional benefits on the skin.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

This ingredient is utilized for its fragrance properties and is not associated with 'dusting' concerns in formulations.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As an acetal, this compound generally exhibits greater stability than its corresponding aldehyde. However, it can undergo hydrolysis when exposed to strong acidic or strong basic environments. Optimal storage involves a cool, well-ventilated place, away from heat and ignition sources, in tightly closed containers.

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

CIR Status
Unknown
Sensitization risk High

Direct safety assessments (e.g., CIR, SCCS, FDA status) for Phenylacetaldehyde Dihydrogeranyl Acetal (CAS 67634-04-2) are not readily available. However, a closely related compound, Phenylacetaldehyde Digeranyl Acetal (CAS 67634-02-0), is identified as an irritant with potential for skin and eye irritation (R 36/38), serious eye damage (R 41), and skin sensitization (R 43). The parent compound, Phenylacetaldehyde, also causes skin irritation, serious eye irritation, and allergic skin reactions. Given these structural similarities, Phenylacetaldehyde Dihydrogeranyl Acetal may carry similar risks of irritation and sensitization.


Your Skin

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

Our Assessment

Questionable

While offering a desirable scent profile, the lack of direct safety data and the documented irritation and sensitization risks associated with closely related compounds make this ingredient questionable for precision skincare formulations.


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