Triethoxycaprylylsilane

AKA “Triethoxyoctylsilane, Triethoxy(octyl)silane, 2943-75-1, Octyltriethoxysilane, Octyl(triethoxy)silane, Dynasylan OCTEO, Prosil 9202, Silquest A 137, Prosil 9234”

Synthetic

Ingredient Facts

Triethoxycaprylylsilane

AKA: Triethoxyoctylsilane, Triethoxy(octyl)silane, 2943-75-1, Octyltriethoxysilane, Octyl(triethoxy)silane, Dynasylan OCTEO, Prosil 9202, Silquest A 137, Prosil 9234

Synthetic · Emollient · EWG: 1

Synthetic

Emollient

Skin Conditioner

Plant Oil

Synthetic

Clean

The CIR Expert Panel concluded that the alkyl PEG ethers, listed below, are safe in the present practices of use and concentration described in this safety assessment when formulated to be nonirritating. This assessment is also intended to address future alkyl PEG ether cosmetic ingredients that vary from those ingredients recited herein only by the number of ethylene glycol repeat units...Oleth-30...

Formula

C14H32O3Si

Mol. Weight

276.49

CAS #

2943-75-1

Form

Powder

State

Dry Powder; Liquid; Dry Powder, Liquid

See origin →

Functions

Emollient

Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Holds Formula Together

Holds ingredients together

Traditional Use

A modern silicone-derived coupling agent developed in the late 20th century for cosmetic use. Functions as a water-repellent and film-forming agent, part of the broader silicone polymer family adopted by cosmetics in the 1950s onward.