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