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Moumoujus

METHOXY PEG-8 PROPYLTRIMETHOXYSILANE.

Questionable / BINDING, SURFACE MODIFIER

Methoxy PEG-8 Propyltrimethoxysilane is a specialized silane coupling agent designed to enhance adhesion between diverse materials. It features a methoxy group and a polyethylene glycol (PEG) moiety, enabling the formation of durable siloxane bonds while simultaneously imparting hydrophilicity for improved integration into aqueous systems.

Summary

Binding Surface Modifier

Science

Mechanism of Action

In cosmetic formulations, this compound primarily acts as a binding agent, precisely enhancing the cohesion and stability of powdered products. Concurrently, it functions as a surface modifier, specifically altering the surface properties of ingredients to optimize their performance and textural characteristics through stable siloxane linkages.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This ingredient exhibits slow hydrolysis when exposed to moisture or water, leading to the liberation of methanol. For optimal stability during both storage and formulation processes, it is imperative to protect it from moisture, water, acids, and alkalis.

Conflicts

  • moisture
  • water
  • acid
  • alkali

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Moderate

This compound carries a noted potential to cause skin irritation and serious eye irritation. A critical safety consideration is its hydrolytic decomposition in the presence of water, which results in the release of methanol, a substance recognized for its toxicity.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While Methoxy PEG-8 Propyltrimethoxysilane serves a functional role as a binding and surface modifying agent in cosmetics, its potential for irritation, the liberation of toxic methanol upon hydrolysis, and an unreviewed safety status from the CIR mandate extreme caution in its application.

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