Tetraethyl orthosilicate
CAS Number78-10-4
FormulaSi(OC2H5)4
Mol. Weight208.33 g/mol
Tetraethyl orthosilicate
What is Tetraethyl orthosilicate?
Tetraethyl orthosilicate is a chemical compound with CAS number 78-10-4 and molecular formula Si(OC2H5)4. It is used in various industrial and research applications.
Applications
Commonly used as a precursor to prepare xerogel1,2
Specifications
Linear Formula
Si(OC2H5)4
Molecular Weight
208.33 g/mol
Assay/Purity
≥99%
Boiling Point
168 °C(lit.)
Density
0.933 g/mL at 20 °C(lit.)
Safety Information
GHS02
GHS07Signal Word
Warning
Hazard Statements
H226-H319-H332-H335
Precautionary Statements
P261-P305 + P351 + P338
Required PPE
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
EC Number
201-083-8
WGK Germany
1