© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
|
HS Code |
969639 |
| Product Name | Tetraethyl Orthosilicate |
| Synonyms | TEOS, Ethyl silicate, Orthosilicic acid tetraethyl ester |
| Cas Number | 78-10-4 |
| Chemical Formula | Si(OC2H5)4 |
| Molecular Weight | 208.33 g/mol |
| Appearance | Colorless liquid |
| Purity Reagent Grade | ≥99.0% (Sigma Aldrich standard) |
| Boiling Point | 168-170 °C |
| Density | 0.933 g/mL at 25 °C |
| Flash Point | 46 °C (closed cup) |
| Solubility | Insoluble in water, miscible with ethanol and ether |
| Storage Conditions | Store at room temperature, keep tightly closed |
As an accredited Tetraethyl Orthosilicate (Reagent Grade) Sigma Aldrich/Merck/TCI Chemical factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 500 mL, equipped with a secure screw cap; labeled with product details, safety information, Sigma-Aldrich branding. |
| Shipping | Tetraethyl Orthosilicate (Reagent Grade) from Sigma Aldrich/Merck/TCI Chemical is shipped in tightly sealed containers, protected from moisture and physical damage. It is classified as a flammable liquid and may be subject to special handling and regulatory requirements. Shipping typically follows UN 1292 protocol for safe chemical transportation. |
| Storage | Tetraethyl Orthosilicate (Reagent Grade) should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of moisture, heat, and ignition. Keep it away from incompatible materials such as strong acids and bases. Store under an inert atmosphere if possible, and ensure all storage complies with local regulations and standard lab safety protocols. |
Competitive Tetraethyl Orthosilicate (Reagent Grade) Sigma Aldrich/Merck/TCI Chemical prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ar-reagent.com
Flexible payment, competitive price, premium service - Inquire now!
