Tetraethoxysilane, 99+%

Product Code.	Quantity	unitSize
11377687	4 x 500 g	2000g
11387687	2.5 kg	2.5kg

Product Code. 11377687 Supplier Thermo Scientific Alfa Aesar Supplier No. 014082.57

Description

As a binding agent and as a polymerization catalyst | CAS: 78-10-4 | C8H20O4Si | 208.329 g/mol

As a binding agent and as a polymerization catalystTetraethoxysilane is the main precursor material for the synthesis of zeolites and silicon dioxide, which is used in semiconductor industry. It is widely used as a cross linking agent in silicon polymers and in aerogel preparations.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 78-10-4
• Molecular Formula: C8H20O4Si
• Molecular Weight (g/mol): 208.329
• MDL Number: MFCD00009062
• InChI Key: BOTDANWDWHJENH-UHFFFAOYSA-N
• Synonym: tetraethyl orthosilicate, tetraethoxysilane, teos, ethyl silicate, silicon ethoxide, silicon tetraethoxide, silane, tetraethoxy, dynasil a, tetraethoxysilicon, ethyl orthosilicate
• PubChem CID: 6517
• IUPAC Name: tetraethyl silicate
• SMILES: CCO[Si](OCC)(OCC)OCC

• Boiling Point: 168°C
• Melting Point: -85°C
• Color: Colorless
• Physical Form: Liquid
• Quantity: 4 x 500 g
• Linear Formula: (C₂H₅O)₄Si
• UN Number: UN1292
• Beilstein: 1422225
• Flash Point: 46°C (116°F)
• Merck Index: 14,3851
• Solubility Information: Soluble in ethanol and 2-propanol.
• Formula Weight: 208.33
• Percent Purity: ≥99%
• Odor: Pleasant
• Refractive Index: 1.382
• Sensitivity: Moisture sensitive
• Density: 0.934
• Chemical Name or Material: Tetraethoxysilane

Sécurité et traitement

FDS

RUO – Research Use Only