CAS Registry Number

CAS 78-10-4 — Tetraethoxysilane

CAS 78-10-4 Si(OC2H5)4 MW 208.33

Tetraethoxysilane is a silicon-based precursor used in sol-gel processes, coatings, and the synthesis of silica materials. It is a colorless liquid that hydrolyzes readily in moisture. CAS: 78-10-4, molecular formula: Si(OC₂H₅)₄, molecular weight: 208.33 g/mol, stored at ambient temperature. Signal word: Warning. Molekula supplies Tetraethoxysilane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: TEOS (Tetraethoxysilane) · Tetraethyl orthosilicate · Tetraethylorthosilicate

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Molekula products for CAS 78-10-4

Tetraethoxysilane

SKU 44868174

In stock Building Blocks

TEOS (Tetraethoxysilane)

SKU 90027408

Made to order

Tetraethyl orthosilicate

SKU 90028421

Made to order

Tetraethylorthosilicate

SKU 90032314

Made to order

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.