Triethoxycaprylylsilane is a silicone-based compound used primarily as a surface modifier and conditioning agent in cosmetics and personal care products. It helps to improve the texture and spreadability of formulations while providing a smooth, non-greasy finish.

Chemical Composition and Structure:

Components:
Triethoxycaprylylsilane: A silane compound with three ethoxy groups and an octyl group attached to a silicon atom.

Structure:
Triethoxycaprylylsilane: Chemically known as triethoxy(octyl)silane, its formula is C14H32O4Si. It consists of a silicon atom bonded to three ethoxy groups and one octyl group.

Physical Properties:

Appearance: Colorless to pale yellow liquid.
Odor: Typically odorless or with a very faint smell.
Solubility: Soluble in organic solvents such as alcohols and oils, but not in water.
pH: Does not significantly affect the pH of cosmetic formulations.

Production Process:

Synthesis: Triethoxycaprylylsilane is synthesized by the reaction of triethoxysilane with caprylic acid or caprylyl alcohol. This process creates a stable silane compound with both hydrophobic (water-repelling) and conditioning properties.
Formulation: Once synthesized, Triethoxycaprylylsilane is incorporated into cosmetic formulations to enhance texture, spreadability, and stability.

Applications:

Cosmetic Formulations: Used in various cosmetic products to improve texture, spreadability, and smoothness. It helps to create a silky, non-greasy feel on the skin.
Conditioning Agents: Acts as a conditioning agent in hair and skincare products, providing a smooth, glossy finish and reducing the tackiness of other ingredients.
Surface Modifiers: Used as a surface modifier in products to improve the adhesion of other ingredients and enhance the overall performance of the formulation.

Environmental and Safety Considerations:

Environmental Impact: Generally considered to have a low environmental impact. It is not readily biodegradable, so it should be used in moderation.
Safety: Triethoxycaprylylsilane is generally regarded as safe for use in cosmetics and personal care products when used as directed. However, individuals with very sensitive skin or allergies should be cautious.

INCI:


Binder agent. Ingredient that is used in cosmetic, food and pharmaceutical products as an anti-caking agent with the function of making the product in which it is incorporated silky, compact and homogenous. The binder, either natural such as mucilage, gums and starches or chemical, may be in the form of a powder or liquid.
Synonyms:

CAS: 2943-75-1 EC number 220-941-2