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  6. Tetraethyl Orthosilicate, Sigma-Aldrich™

Tetraethyl Orthosilicate, Sigma-Aldrich™

Product Code. 15894001
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Quantity:
250 mL
1 L
Unit Size:
1 L
250mL
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15894001 1 L 1 L
15884001 250 mL 250mL
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Product Code. 15894001 Supplier Sigma Aldrich Supplier No. 8006581000
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Estimated Shipment: 02-11-2026
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Description

For synthesis

Tetraethylorthosilicate (TEOS) is the ethyl ester of ortho silicic acid, which is the most readily available silicon source. It is mainly used as a crosslinking agent in silicon polymer and precursor in the preparation of silicon thin films.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 78-10-4

Specifications

Melting Point -85.5°C
Density 0.94 g/cm3 at 20°C
Boiling Point 168.0°C/1013 hPa
Molecular Formula (C2H5O)4Si
MDL Number MFCD00009062
Quantity 1 L
Synonym Tetraethyl orthosilicate, Tetraethoxysilane, Tetraethyl orthosilicate
Molecular Weight (g/mol) 208.33
Grade Research
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