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3-METHYL-5-PHENYLPENTANENITRILE.

Optional CAS 54089-83-7 / PERFUMING

A specialized fragrance ingredient that delivers a distinctive green-floral and spicy-phenyl scent profile with exceptional longevity. This nitrile-based aroma chemical serves primarily as a sensorial modifier and maskant in cosmetic formulations, offering superior stability in alkaline conditions where traditional fragrance components would degrade.

perfuming masking

Science

Functions as a fragrance molecule and maskant rather than through biological skincare pathways, providing olfactory enhancement and helping to neutralize unwanted odors in formulations while maintaining scent integrity across varying pH environments.


Research

High confidence
Effective range 0.029–0.12%
Optimal

0.12%

Key findings

  1. 01 Human Repeat Insult Patch Test demonstrated no skin sensitization concerns at maximum use concentrations for facial and body applications
  2. 02 Established No Expected Sensitization Induction Level supporting safety across leave-on and rinse-off cosmetic applications

Transparency

Not commonly dusted

Regulated fragrance ingredient with established maximum use levels under IFRA standards, making dusting unnecessary and potentially problematic for sensitization risk management.


The Formula

Solubility
Oil
Optimal pH 4 – 10
0 7 14

Stability

Demonstrates remarkable stability in high pH environments, outperforming traditional fragrance alcohols and esters in alkaline formulations while maintaining non-discoloring properties across most base systems.

Conflicts

  • Strong oxidizing agents
  • Strong acids

Safety

CIR Status
Not reviewed
Max tested
0.12%
Sensitization risk Low

IFRA-approved with concentration limits: 0.12% for face/body/fine fragrance applications, reduced to 0.029% for facial moisturizers due to enhanced penetration potential in leave-on formulations.


Your Skin

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

Our Assessment

Optional

A well-characterized fragrance ingredient suitable for most skin types except sensitive, offering excellent stability but limited to sensorial rather than therapeutic benefits.


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