Ethyl silicate, commonly known as tetraethyl orthosilicate (TEOS) and identified by CAS number 11099-06-2, is a versatile chemical compound with a wide array of industrial applications. Understanding its properties, uses, and safety protocols is crucial for anyone involved in its handling and application. Sourcing ethyl silicate from reputable manufacturers in China ensures access to product information and safety data sheets.

Physically, ethyl silicate is a colorless liquid with a distinctive odor. Key properties include a boiling point of approximately 168-169 °C and a flash point around 45 °C, classifying it as a flammable liquid. Its density is around 0.933 g/mL. Chemically, it is the ethyl ester of orthosilicic acid and is characterized by its Si-O-C bonds, which are reactive and susceptible to hydrolysis.

The primary industrial uses of ethyl silicate are multifaceted. It serves as a crucial binder in the precision investment casting industry for creating ceramic shells. It is also utilized in the formulation of heat-resistant and chemical-resistant coatings, providing protective layers for various substrates. In the electronics sector, it acts as a precursor for depositing silicon dioxide, a vital dielectric material. Furthermore, it functions as a cross-linking agent in silicone polymers, enhancing their mechanical and thermal performance.

Safety is a paramount consideration when handling ethyl silicate. It is classified as a flammable liquid and vapor, requiring careful management to prevent ignition sources. Inhalation of high concentrations can cause irritation to the respiratory tract, and eye contact can lead to serious irritation. Prolonged or repeated exposure may affect organs such as the lungs, liver, and kidneys. Therefore, proper personal protective equipment (PPE), including gloves, safety goggles, and respiratory protection where necessary, is essential. Good ventilation in the workplace is also critical.

Handling procedures should always include grounding containers to prevent static discharge and using non-sparking tools. Storage should be in tightly closed containers in a cool, dry, and well-ventilated area, away from incompatible materials and ignition sources. Disposal must be carried out in accordance with local regulations, often involving controlled incineration.

For manufacturers and researchers, understanding these properties and safety aspects is key to harnessing the full potential of ethyl silicate. Ensuring a safe working environment and employing proper handling techniques are as important as the material's inherent chemical capabilities. NINGBO INNO PHARMCHEM CO.,LTD. provides ethyl silicate along with essential safety information, supporting responsible industrial practices.