Tetraethyl orthosilicate

C8H20O4SiCAS 78-10-4208.33 g/mol

Open in Covalent MOL file
OSiOOO
Silyl ether

Properties

Molecular formula
C8H20O4Si
Molar mass
208.33 g/mol
Exact mass
208.1131 Da
Density
0.933 g/mL (at 20 °C)
Melting point
−82.5 °C
Boiling point
168.8 °C
Flash point
37 °C (closed cup)
logP
1.57Crippen estimate
Polar surface area
36.9 Ų
H-bond donors / acceptors
0 / 4
Rotatable bonds
8

Hazards

Warning
Flammable (GHS02)Irritant (GHS07)

Harmonised EU classification (CLP Annex VI, index 014-005-00-0), via PubChem.

Precautionary statements

P210, P233, P240, P241, P242, P243, P261, P264+P265, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P317, P319, P337+P317, P370+P378, P403+P233, P403+P235, P405, P501

Identifiers

CAS number
78-10-4
SMILES
CCO[Si](OCC)(OCC)OCC
InChIKey
BOTDANWDWHJENH-UHFFFAOYSA-N
InChI
InChI=1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

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Names and synonyms

73 names · show all
  • Silicic acid (H4SiO4), tetraethyl ester
  • Ethyl silicate ((EtO)4Si)
  • Ethyl orthosilicate
  • Silane, tetraethoxy-
  • TEOS
  • Tetraethyl silicate
  • Tetraethoxysilane
  • Silicon ethoxide
  • Silicon tetraethoxide
  • Dynasil A
  • Tetraethoxysilicon
  • ES 28 (ester)
  • ES 28
  • ES 100 (silicate)
  • Silikan L
  • SI 42
  • TES 28
  • Silicon tetraethoxide (Si(OEt)4)
  • Silicon ethoxide (Si(OEt)4)
  • ES 100
  • Conservare OH
  • Ethyl silicate 28
  • TSL 8124
  • Tetraethoxysilicon(IV)
  • KBE 04
  • LS 2430
  • Silicon tetraethoxide (Si(OC2H5)4)
  • ES 140
  • Colcoat 6P
  • Ethyl silicate 45
  • ES 45
  • T 1807
  • LS 2340
  • PETEOS
  • NSC 4790
  • KBM 06
  • T 0100
  • Unisilan 74
  • ES 28P
  • T 0100 (Ester)
  • Remmers 300
  • KIEM-Silex OH
  • Ethyl silicate PHASE
  • Ethyl silicate 28P
  • TSLB 124
  • PG 121
  • WD 932
  • TEOS Pure
  • SOTEOS
  • AY 43-101
  • Z 6697
  • Ethyl silicate A
  • Silres BSOH 100
  • N 100
  • N 100 (Silicate)
  • Silquest TEOS pure
  • Estel 1000
  • Silquest SIT 7110.0
  • Si 28 (coupling agent)
  • Si 28
  • Dynasylan TEOS-UHP
  • Ekos 1
  • Dynasylan A
  • T 1126
  • E 28
  • SSG-HB 21N
  • Dynasylan silbond condensed
  • ECOS 1
  • Tanapel DSR
  • SIT 7110.0
  • ADC 68
  • Silikat TES 28
  • KBE 14

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 78-10-4. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with Tetraethyl orthosilicate

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Silicic acid (H4SiO4), tetraethyl ester, reaction products with chlorodimethylsilane68988-57-860 % similar Bis(triethoxysilyl)ethane16068-37-453 % similar Trimethylethoxysilane1825-62-353 % similar Bis(triethoxysilyl)methane18418-72-953 % similar Triethoxymethylsilane2031-67-653 % similar Dimethyldiethoxysilane78-62-653 % similar Triethoxyfluorosilane358-60-150 % similar Chlorotriethoxysilane4667-99-650 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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