Other specifications of packaging can be provided according to customer requirements
High-Purity Tetraethyl Orthosilicate TEOS 99.99% Purity
High-Purity Tetraethyl Orthosilicate TEOS 99.99% Purity
Technical Specifications
1. Basic Information
| Item | Specification |
|---|---|
| Product Name | Tetraethyl Orthosilicate (TEOS) |
| Formula | Si(OC2H5)4 |
| CAS NO | 78-10-4 |
| Purity | 99.90% / 99.99% |
| Capacity | 15,000 T/Y (99.90%) + 1,000 T/Y (99.99%) |
| Package | 220L / 200L Drum |
2. Physical and Chemical Properties
| Property | Value |
|---|---|
| Appearance and properties | Colorless, transparent liquid with a slight alcohol-like odor |
| Melting point (°C) | -82.5 |
| Boiling point (°C) | 168 |
| Relative density (water = 1) | 0.933 g/cm³ |
| Flash point (°C) | ~45 (Flammable Liquid) |
| Solubility | Slightly soluble in water (decomposes slowly); miscible in ethanol and ether |
Packaging & Delivery
We supply TEOS in durable, industry-standard packaging to maintain purity and safety:
- Packaging Volume: 200L and 220L Drums, ensuring safe and efficient handling for high-volume consumers.
- Material: High-quality lined drums specifically chosen to prevent chemical degradation or contamination of the high-purity liquid.
- Custom Services: Palletized drum shipments and customized export packaging available upon request.
Why Choose Us?
- Dual Purity Options: Offering both 99.90% industrial grade and 99.99% electronic grade to perfectly match your cost-efficiency and technical requirements.
- Reliable Global Supply: With 16,000 tons of annual capacity, we guarantee stable lead times and consistent batch-to-batch quality, acting as your dependable long-term partner.
- Stringent Quality Control: Advanced filtration and distillation techniques ensure moisture and trace metal impurities are kept to the absolute minimum.
Applications
Tetraethyl Orthosilicate (TEOS) is extensively used across high-tech industries:
- Semiconductor Manufacturing: A highly safe and effective precursor for Silicon Dioxide (SiO2) deposition via CVD/PECVD processes.
- Sol-Gel Process: A critical intermediate for synthesizing aerogels, specialized coatings, and high-purity silica glass.
- Adhesives & Coatings: Used as a cross-linking agent in silicone polymers and protective, weather-resistant coatings.
