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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
tetraethyl orthosilicate

Inventory

EC number:
201-083-8
EC name:
Tetraethyl orthosilicate
CAS number:
78-10-4
CAS number:
78-10-4
Synonyms
Names:
Ethyl silicate, ((EtO)4Si)
Poly(tetraethyl orthosilicate)
Silicic acid (H4SiO4), tetraethyl ester
Silicon ethoxide
Silicon tetraethoxide
TEOS
Tetraethoxysilane
Tetraethyl silicate
silicic acid, tetraethyl ester
tetraethoxysilane
Identifier:
CAS number
78-10-4
Identifier:
EC number
201-083-8
Identifier:
IUPAC name
tetraethyl silicate
Identifier:
IUPAC name
Silicic acid, tetraethyl ester
Identifier:
IUPAC name
Tetraethyl Orthosilicate
Identifier:
IUPAC name
Tetraethyl orthosilicate
Identifier:
IUPAC name
Tetraethyl silicate
Identifier:
IUPAC name
ethyl silicate
Identifier:
IUPAC name
tetraethyl orthosilicate
Identifier:
IUPAC name
tetraethyl silicate
Identifier:
IUPAC name
tetraethyl silicate
Identifier:
PubChem
Ethyl orthosilicate
Identifier:
PubChem
Orthosilicic acid tetraethyl ester
Identifier:
PubChem
Silane, tetraethoxy-
Identifier:
PubChem
Silicic acid, tetraethyl ester
Identifier:
PubChem
Silicon ethoxide
Identifier:
PubChem
Silicon tetraethoxide
Identifier:
PubChem
Tetraethoxysilane
Identifier:
PubChem
Tetraethoxysilicon(IV)
Identifier:
PubChem
Tetraethyl silicate
Identifier:
PubChem
Tetraethyl-O-silicate
Identifier:
PubChem
Tetraethylorthosilicate
Identifier:
other: SMILES notation
CCO[Si](OCC)(OCC)OCC
Identifier:
other: InChl
InChI=1/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
Identifier:
other: InChl
1/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
Identifier:
other: InChl
1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
Identifier:
other: InChl
C4H12O4Si
Identifier:
other: Molecular formula
C8 H20 O4 Si1
Identifier:
other: InChl
InChI= 1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
Identifier:
other: SMILES notation
O(CC)[Si](OCC)(OCC)OCC
Identifier:
other: Molecular formula
Si(OCH2CH3)4
Identifier:
other: Molecular formula
Si(OCH3)4
Tetraethoxysilane

Molecular and structural information

Molecular formula:
C8H20O4Si
Molecular weight:
208.327
SMILES notation:
CCO[Si](OCC)(OCC)OCC
InChl:
InChI=1/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
Structural formula:
Chemical structure

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