| Tetraethyl Orthosilicate (TEOS) Extrapure, 98% - Specification | |
| Grade | Extrapure |
| Appearance (Clarity) | Clear |
| Appearance (Colour) | Colourless |
| Appearance (Form) | Liquid |
| Assay (GC) | min. 98% |
| SiO2 content | 28-28.8% |
| Density (g/ml) @ 20°C | 0.930-0.940 |
| Refractive Index (20°C) | 1.382-1.383 |
| Storage | 25 to 40°C (Room Temperature) |
| Tetraethyl Orthosilicate (TEOS) Synthesis, 98% - Specification | |
| Synonyms | Orthosilicic acid tetraethyl ester, Silicon tetraethoxide, TEOS |
| Grade | Synthesis |
| Description | Tetraethyl orthosilicate is the chemical compound with the formula Si(OC2H5)4. |
| Categories | Organometallic reagents, Organosilicon |
| Appearance (Form) | Liquid |
| Appearance (Colour) | Colourless |
| Assay | 98% |
| Boiling point | 1689 °C |
| Refractive index | n20/D 1.382(lit.) |
| HSN Code | 29209099 |
Tetraethyl Orthosilicate (TEOS)
CAS: 78-10-4
| Catalouge No | BSCHM-015T |
| Mol. Formula | C8H20O4Si |
| Mol. Weight | 208.33 |
| Size | 100 ML | 500 ML | 2500 ML |
| Price | POR |
Tetraethyl orthosilicate for synthesis used as a crosslinking agent in silicone polymers and as a precursor to silicon dioxide in the semiconductor industry.
- Symbol GHS02GHS07 GHS02, GHS07
- Signal word Warning
- Hazard statements H226-H319-H332-H335
- Precautionary statements P261-P305 + P351 + P338
- Personal Protective Equipment Eye shields, Face shields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type AB
- Hazard Codes Xn
- Risk Statements 10-20-36/37
- RIDADR UN 1292 3/PG 3
- WGK Germany 1
- RTECS VV9450000
- Flash Point(F) 118.4 °F
- Flash Point(C) 48 °C


