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Moumoujus

4-TERT-BUTYLTOLUENE.

Optional CAS 98-51-1 / PERFUMING

An aromatic hydrocarbon compound primarily utilized as a fragrance ingredient in cosmetic formulations. This oil-soluble component serves as an aromatic solvent and intermediate, lacking the bioactive skin benefits found in some of its chemical derivatives.

Summary

fragrance

Science

Mechanism of Action

Functions exclusively as a fragrance component without direct skin bioactivity, acting as an aromatic hydrocarbon solvent that provides scent characteristics to formulations

Research

Clinical Evidence

Medium confidence
Effective range ≤0.01%
Optimal

0.01%

Key findings

  1. 01 Safe usage level established for fragrance applications with no skin sensitization concerns at declared usage concentrations

Transparency

Dusting Analysis

Not commonly dusted

Limited to fragrance applications at very low concentrations, making dusting practices unlikely and unnecessary

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Exhibits high lipophilicity (log Kow 4.45-5.17) with volatile characteristics and water insolubility (2.97 mg/L). Maintains stability under standard conditions but requires careful handling due to flammability at 54°C flash point.

Conflicts

  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.01%
Sensitization risk Low

Assessed by RIFM with no expected phototoxic or photoallergenic properties based on UV spectral analysis. Safety data limited to fragrance-specific applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A specialized fragrance ingredient with limited skincare benefits, appropriate only for scent enhancement at minimal concentrations.

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