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CIS-3-HEXENYL ISOBUTYRATE.

Optional CAS 41519-23-7 / PERFUMING

A volatile aromatic ester utilized in precision perfumery to impart a crisp, verdant olfactory profile reminiscent of freshly cut grass and green orchard fruits. It serves as a sophisticated sensory modifier, enhancing the naturalness of botanical and citrus-based formulations.

perfuming

Science

This ingredient functions exclusively as an organoleptic additive. It interacts with olfactory receptors to provide a 'green' aromatic experience—mimicking the scent of crushed foliage and pomaceous fruits—without exerting a direct physiological effect on the skin barrier or cellular function.


Research

Low confidence
Effective range ≤0.0011%
Optimal

N/A


Transparency

Not commonly dusted

As a fragrance component, this ingredient is used in trace amounts to achieve olfactory targets; it is not a functional active subject to traditional 'dusting' concerns.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Highly susceptible to hydrolysis in aqueous or surfactant-rich environments like shampoos, where it may degrade into its parent acid. Stability is improved by the addition of 0.1% Alpha Tocopherol to prevent oxidative degradation.

Synergies

  • Alpha Tocopherol
  • Floral aromatic compounds
  • Citrus terpenes

Conflicts

  • Strong acids
  • Strong bases
  • Oxidizing agents
  • Excessive thermal energy

Safety

CIR Status
Not reviewed
Max tested
0.11%
Sensitization risk Moderate

Recognized as FEMA GRAS for food flavoring. In topical applications, it is a known skin sensitizer with a No Expected Sensitization Induction Level (NESIL) of 1000 μg/cm2. IFRA limits usage to 0.11% for leave-on facial moisturizers.


Your Skin

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

Our Assessment

Optional

A strictly sensory additive that provides a high-quality green aroma, though it must be strictly regulated below 0.11% in leave-on products to minimize sensitization risk.


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