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Moumoujus

ETHYL PERFLUOROISOBUTYL ETHER.

Avoid CAS 163702-06-5 / SOLVENT

Ethyl perfluoroisobutyl ether functions primarily as a solvent in cosmetic formulations. This hydrophobic compound aids in dissolving other ingredients and facilitates the delivery of active components within a product.

Summary

Solvent Active Ingredient Carrier

Science

Mechanism of Action

This ether acts as a solvent and a carrier for active ingredients due to its unique chemical properties. It contributes to formulations with low surface tension and exhibits excellent thermal stability, ensuring consistent product performance.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

This compound demonstrates stability under typical handling and storage conditions; however, there is a noted potential for the formation of explosive peroxides.

Conflicts

  • strong oxidizing agents
  • heat
  • sparks
  • flame

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk High

Ethyl perfluoroisobutyl ether is classified as a PFAS (per- and polyfluoroalkyl substance), raising significant environmental concerns due to its persistence and potential for bioaccumulation. It is flagged for enhanced skin absorption, high use restrictions, moderate endocrine disruption potential, and moderate non-reproductive organ system toxicity. Regulatory bodies like ECHA and Synquest Labs indicate it causes serious eye irritation (GHS Eye Irrit. 2) and skin irritation (GHS Skin Irrit. 2). The New Zealand EPA does not approve it for use as a chemical in its own right.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

Given its classification as a PFAS with environmental persistence, bioaccumulation concerns, and documented high irritancy, this ingredient is not recommended for skincare formulations.

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