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Tetraethyl orthosilicate

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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