Tetraethyl orthosilicate
tetraethoxysilane, ethyl orthosilicate, ethyl silicate (condensed), tetraethoxysilane, tetraethyl orthosilicate, tetraethyl silicate, TEOS
How to detect Tetraethyl orthosilicate
Formula: C8H20O4Si | CAS: 78-10-4
Synonyms: tetraethoxysilane, ethyl orthosilicate, ethyl silicate (condensed), tetraethoxysilane, tetraethyl orthosilicate, tetraethyl silicate, TEOS
Specification
| Specification | Value/Information |
|---|---|
| Formula | C8H20O4Si |
| CAS no. | 78-10-4 |
| Gas Response Factor, 11.7 eV | 1.00 |
| Gas Response Factor, 10.6 eV | 3.00 |
| Gas Response Factor, 10.0 eV | 3.00 |
| ppm per mg/m⁻³, (20 °C, 1 bar) | 0.115 |
| Molecular Weight, g/mole | 208.3 |
| Melting point, °C | -83 |
| Boiling point, °C | 166 |
| Flash point, °C | 45 |
| Upper Explosive Limit, % | 23 |
| Specification | Value/Information |
|---|---|
| Lower Explosive Limit, % | 1.3 |
| Density, g.cm⁻³ | 0.93 |
| Ionisation Energy, eV | 9.77 |
| EH40 TWA, ppm | 5 |
| EH40 TWA, mg.m⁻³ | 44 |
| NIOSH TWA REL, ppm | 10 |
| NIOSH TWA REL, mg.m⁻³ | 85 |
| NIOSH IDLH, ppm | 700 |
| OSHA TWA PEL, ppm | 100 |
| OSHA TWA PEL, mg.m⁻³ | 850 |