System to describe the chemical formulas for WEB.
Attention! The site in the process of rebranding.
The old name easyChem was too common. New name: CharChem.
The site is already available via the new domain charchem.org, which soon will become the main. However, the old domain easychem.org will also be available.

Tetraethyl orthosilicate

Find chemicals by name or formulas.
This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).

Type the part of name or the formula of substance for search:
Languages: | | | Apply to found

Tetraethyl orthosilicate

Molecular formula: C8H20O4Si CAS# 78-10-4
Categories: Ester
Names
English:
EINECS:201-083-8
NSC 4790
Silicic acid (H4SiO4), tetraethyl ester(CAS)
Silicon tetraethoxide
TEOS
Tetraethyl orthosilicate(IUPAC) [Wiki]
Tetraethyl-O-silicate
UN1292
ethyl silicate
silicic acid tetraethyl ester
silicon ethoxide
tetraethoxysilane
tetraethyl silicate(IUPAC)
tetraethylorthosilicate
tetraethyloxysilane
Русский:
Тетраэтоксисилан [Wiki]
тетраэтилортосиликат
тетраэтилсиликат
этилсиликат
French:
Orthosilicate de tétraéthyle(IUPAC)
German:
Tetraethylorthosilicat(IUPAC)

Variants of the formula:

/\O/Si/O\/;\`/O\#Si\O`/\
(C2H5O)4Si
Si(OC2H5)4
Si@:r(a)<_(A&a)O_q6_q6>@(0)@r(-90)@r(90)@r(180)
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Tetraethyl orthosilicate is involved

  • SiBr4 + 4{R}OH -> Si(O{R})4 + 4HBr , where R = CH3 C2H5
  • SiCl4 + 4C2H5OH → Si(OC2H5)4 + 4HCl
  • Si(OC2H5)4 + 2H2O → SiO2 + 4C2H5OH
  • Si(OC2H5)4 ">400^oC"--> SiO2 + 2(C2H5)2O