Allowed in EU

Isobutyltriethoxysilane

A cosmetic ingredient used as binding in skincare, haircare, and personal-care products sold in the European Union.

What is it?

Isobutyltriethoxysilane, trialkoxyisobutylsilane, triethoxy(2-methylpropyl)silane

What does it do?

Isobutyltriethoxysilane is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Binding

    holds the components of a formulation together, especially in pressed powders and compact makeup

EU regulatory status

Isobutyltriethoxysilane is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.

Frequently asked questions

What is Isobutyltriethoxysilane?

Isobutyltriethoxysilane is a cosmetic ingredient catalogued in the EU CosIng database. Isobutyltriethoxysilane, trialkoxyisobutylsilane, triethoxy(2-methylpropyl)silane

Is Isobutyltriethoxysilane allowed in cosmetics in the EU?

Yes. Isobutyltriethoxysilane is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Isobutyltriethoxysilane do in cosmetic products?

Isobutyltriethoxysilane is declared in the EU cosmetic ingredient inventory with these functions: binding.

What is the CAS number of Isobutyltriethoxysilane?

The CAS (Chemical Abstracts Service) number for Isobutyltriethoxysilane is 17980-47-1.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/04/2019