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Sigma-Aldrich 333859 Tetraethyl orthosilicate 99.999% trace metals basis CAS Number.: 78-10-4 25 mL
Category
Brand
Stock Code
LB.SA.333859-25ML
Kısa Bilgi
Synonym(s): Orthosilicic acid tetraethyl ester, Silicon tetraethoxide, TEOS, Tetraethoxysilane, Tetraethoxysilicon(IV), Tetraethyl silicate Linear Formula: Si(OC2H5)4 CAS Number: 78-10-4 Molecular Weight: 208.33 Beilstein: 1422225 EC Number: 201-083-8 MDL number: MFCD00009062 PubChem Substance ID: 24860192 NACRES: NA.23
Market Price
CAS Number: 78-10-4
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Sigma-Aldrich 333859 Tetraethyl orthosilicate 99.999% trace metals basis 25 mL
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Synonym(s): Orthosilicic acid tetraethyl ester, Silicon tetraethoxide, TEOS, Tetraethoxysilane, Tetraethoxysilicon(IV), Tetraethyl silicate
Linear Formula: Si(OC2H5)4
CAS Number: 78-10-4
Molecular Weight: 208.33
Beilstein: 1422225
EC Number: 201-083-8
MDL number: MFCD00009062
PubChem Substance ID: 24860192
NACRES: NA.23
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PROPERTIES
vapor density 7.2 (vs air)
Quality Level 200
vapor pressure <1 mmHg ( 20 °C)
assay 99.999%
trace metals basis
form liquid
refractive index n20/D 1.382 (lit.)
bp 168 °C (lit.)
density 0.933 g/mL at 20 °C (lit.)
SMILES string CCO[Si](OCC)(OCC)OCC
InChI 1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3 InChI key BOTDANWDWHJENH-UHFFFAOYSA-N
DESCRIPTION
General description
Tetraethyl orthosilicate (TEOS) is an inorganic material used as a precursor for the synthesis of silica-based materials by methods such as sol gel technique, due to its high affinity to water. It can also be used in the synthesis of blended membranes.[1][2][3]
Application
TEOS is majorly used as a silicon source in the synthesis of silicon oxide which can be further used in a variety of optoelectronics based applications.[4] It can also be used in the formation of hybrid coatings for potential usage in corrosion protection. Commonly used as a precursor to prepare xerogel Will interact with dodecylamine in the formation of intercalation compounds of H+-magadiite and used in a study of mixed-metal bioactive glasses.
Packaging
25, 100 mL in glass bottle
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