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HS Code |
629076 |
| Chemical Name | Tetraethyl orthosilicate |
| Chemical Formula | Si(OC2H5)4 |
| Molecular Weight | 208.33 g/mol |
| Appearance | Colorless liquid |
| Density | 0.933 g/cm3 (20°C) |
| Melting Point | -77°C |
| Boiling Point | 168.1°C |
| Solubility In Water | Decomposes |
| Refractive Index | 1.383 (20°C) |
| Flash Point | 46°C (closed cup) |
| Vapor Pressure | 1 hPa (20°C) |
| Autoignition Temperature | 220°C |
| Cas Number | 78-10-4 |
As an accredited Tetraethyl Orthosilicate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tetraethyl Orthosilicate is packaged in a blue 200-liter steel drum, clearly labeled with hazard warnings, product name, and batch number. |
| Shipping | Tetraethyl Orthosilicate should be shipped in tightly sealed containers, clearly labeled, and protected from moisture and ignition sources. It must be handled as a flammable liquid, complying with applicable regulations (UN 1292, Class 3). Proper ventilation, secondary containment, and use of appropriate protective equipment are essential during storage and transportation. |
| Storage | Tetraethyl orthosilicate should be stored in a cool, dry, well-ventilated area away from heat, ignition sources, and incompatible materials such as strong acids and bases. Keep the container tightly closed and properly labeled. Use only approved containers made of materials compatible with the chemical. Protect from moisture, as it hydrolyzes readily, releasing ethanol and forming silicic acid. |
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Purity 99%: Tetraethyl Orthosilicate with purity 99% is used in optical glass manufacturing, where high silica yield and material clarity are achieved. Viscosity Grade Low: Tetraethyl Orthosilicate of low viscosity grade is used in sol-gel processing, where it enables uniform film formation and reduced surface defects. Molecular Weight 208.33 g/mol: Tetraethyl Orthosilicate (molecular weight 208.33 g/mol) is used in the synthesis of silica nanoparticles, where precise particle size control is obtained. Hydrolyzable Silanol Content High: Tetraethyl Orthosilicate with high hydrolyzable silanol content is used in catalyst support preparation, where enhanced catalytic activity and dispersion result. Stability Temperature Up to 250°C: Tetraethyl Orthosilicate with stability temperature up to 250°C is used in heat-resistant coatings, where excellent thermal stability is maintained. Particle Size Sub-Micron: Tetraethyl Orthosilicate with sub-micron particle size is used in advanced ceramics production, where fine microstructure and improved mechanical strength are achieved. Water Content <0.1%: Tetraethyl Orthosilicate with water content below 0.1% is used in moisture-sensitive sealant formulations, where superior hydrolytic stability and longevity are provided. Refractive Index 1.383: Tetraethyl Orthosilicate with refractive index 1.383 is used in optical fiber fabrication, where consistent light transmission and signal clarity are ensured. Boiling Point 168°C: Tetraethyl Orthosilicate with boiling point 168°C is used in vapor deposition processes, where controlled evaporation and uniform deposition are obtained. Density 0.933 g/cm³: Tetraethyl Orthosilicate with density 0.933 g/cm³ is used in resin-reinforced composites, where optimal dispersion and homogeneous phase distribution occur. |
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