3-Octanoylthiopropyltriethoxysilane CAS No. 220727-26-4

3-Octanoylthiopropyltriethoxysilane (CAS No. 220727-26-4) is a chemical compound that is commonly used in the manufacturing industry. It is classified as an organosilicon compound, which means that it contains both organic and inorganic components. In this article, we will explore the properties, uses, and potential hazards of 3-Octanoylthiopropyltriethoxysilane.

Chemical Properties

3-Octanoylthiopropyltriethoxysilane has a molecular formula of C17H36O3SSi and a molecular weightof 348.6 g/mol. It is a clear and colorless liquid with a strong odor. This chemical is not soluble in water, but it is soluble in organic solvents such as ethanol and acetone. It has a boiling point of 280-290°C and a flash point of around 130°C.


3-Octanoylthiopropyltriethoxysilane is commonly used in the manufacturing industry as a surface treatment agent. It is used to improve the adhesion of coatings and adhesives to various surfaces, including metals, plastics, and glass. It is also used as a coupling agent to improve the compatibility between different materials, such as in the production of composite materials.

Safety and Hazards

3-Octanoylthiopropyltriethoxysilane can be hazardous if not handled properly. It is a flammable liquid and can cause skin and eye irritation upon contact. It can also cause respiratory irritation if inhaled. Therefore, it is important to handle this chemical with care and to wear appropriate personal protective equipment, such as gloves, goggles, and a respirator.

In conclusion, 3-Octanoylthiopropyltriethoxysilane is a versatile chemical that has many industrial applications. However, it is important to handle this chemical safely and to be aware of its potential hazards. If you are working with this chemical, be sure to follow all safety protocols and guidelines to ensureyour own safety and the safety of those around you.