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HS Code |
238880 |
| Product Name | Tetraethyl Orthosilicate |
| Synonyms | TEOS, Ethyl Silicate, Tetraethoxysilane |
| Cas Number | 78-10-4 |
| Molecular Formula | C8H20O4Si |
| Molecular Weight | 208.33 g/mol |
| Appearance | Colorless liquid |
| Density | 0.933 g/mL at 25°C |
| Boiling Point | 168-170°C |
| Melting Point | -77°C |
| Purity | 98% (typical) |
| Refractive Index | 1.383 at 20°C |
| Solubility | Insoluble in water, soluble in alcohol and ether |
| Flash Point | 46°C (closed cup) |
| Vapor Pressure | 2 mmHg at 20°C |
| Storage Conditions | Store at 2-8°C, keep container tightly closed |
As an accredited Tetraethyl Orthosilicate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Tetraethyl Orthosilicate (100 mL, Sigma Aldrich/Merck/TCI) is an amber glass bottle with a secure screw cap. |
| Shipping | Tetraethyl Orthosilicate (TEOS) from Sigma Aldrich, Merck, or TCI Chemical is shipped in tightly sealed containers, typically glass or HDPE bottles, protected from moisture and sunlight. Packages comply with UN regulations for flammable liquids (UN1292). Shipping is handled as a hazardous material, requiring proper labeling, documentation, and trained personnel for safe transport. |
| Storage | Tetraethyl Orthosilicate (TEOS) should be stored in a tightly closed container, in a cool, dry, well-ventilated area, away from sources of ignition. Protect it from moisture, heat, and incompatible substances such as acids and bases. Store away from direct sunlight and in accordance with relevant local, state, and federal regulations. Keep container tightly sealed when not in use. |
Competitive Tetraethyl Orthosilicate 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
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