HI! I’M ELEMENT AI.
What can I help you with today?

Tetraethyl orthosilicate - TEOS

Silver Fern is a leading supplier and distributor of bulk specialty chemicals, with over 20 years of serving North America’s top manufacturers.

Tetraethyl orthosilicate is a chemical compound used primarily as a cross-linking agent in silicone rubber production and as a precursor to silicon dioxide in the process of sol-gel.

Product Details

Formula:

C8H20O4Si

CAS Number:

78-10-4

Also Known As:

Tetraethoxysilane; Ethyl silicate; Silicic acid (H4SiO4), tetraethyl ester

Typical Specifications

Data is representative of average lots;
data taken from specific lots may vary.

Appearance

Colorless liquid

Boiling Point, °C

168

Density, g/cm3

0.933

Flash Point, °C

46

Melting point, °C

-77

Molecular weight, g/mol

208.33

Odor

Pungent

Refractive index, n20/D

1.381

COMMERCIAL REQUESTS ONLY

Store in a cool, dry, well-ventilated area away from incompatible substances. Keep container tightly closed when not in use. Handle with gloves and protective gear.
Tetraethyl orthosilicate, commonly known as TEOS, is a versatile organosilicon compound widely used in the chemical and material sciences industries. With its chemical composition of Si(OC2H5)4, TEOS serves as a key building block for the synthesis of silicon dioxide materials. It is primarily utilized as a precursor for the production of silica-based coatings, ceramics, and glass. In the realm of electronics, Tetraethyl orthosilicate plays a pivotal role in the formation of insulating layers and films, enhancing the performance and durability of electronic components. It is also a fundamental raw material in the preparation of sol-gel-derived materials, enabling the creation of advanced functional coatings that offer superior thermal, optical, and mechanical properties. Additionally, TEOS is instrumental in the field of construction, where it acts as a binder in the development of high-performance concrete and sealants, contributing to enhanced structural integrity and longevity. Its application in surface treatment processes provides hydrophobic properties and protective layers for various substrates. Tetraethyl orthosilicate’s high purity and reliable performance make it an essential choice for researchers and manufacturers seeking to innovate and improve materials in diverse industrial applications. Its adaptability to multiple processes, from catalysis to material reinforcement, underscores its indispensability in advancing technological and scientific endeavors.

Structure:

245_Main_Salicylic_Acid-removebg-preview.png

ELEMENT AI Assistant ×
Do you know the name or CAS# of the product you are looking for?