Tetra ethoxy silane, 98%

Name: Tetra ethoxy silane, 98%
Brand: Vaqora Chemicals
SKU: VQ-011146

About Tetra ethoxy silane, 98%

Listed under CAS 78-10-4, Tetra ethoxy silane is an organosilicon compound available from Vaqora Chemicals (Synthesis grade) at a purity of 98%. Its molecular formula is C8H20O4Si and its molecular weight is 208.33 g/mol. The IUPAC name is tetraethyl silicate. Alternative names: Tetraethoxysilane and Tetraethyl orthosilicate.

In its supplied form it is a colourless liquid. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span polymer and resin production, paints, coatings and inks and electronics and thin films. It is used across pharmaceutical manufacturing, academic and industrial research and electronics and semiconductors.

Vaqora Chemicals supplies Tetra ethoxy silane in 250 mL, 500 mL and 220 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Polymer & resin production
Paints, coatings & inks
Electronics & thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tetra ethoxy silane, 98%
Catalogue No.	VQ-011146
CAS Number	78-10-4
IUPAC name	tetraethyl silicate
Molecular formula	C₈H₂₀O₄Si
Molecular weight	208.33 g/mol
Exact mass	208.1131
Grade	Synthesis
Purity / assay	98%
HSN code	29209099
InChIKey	BOTDANWDWHJENH-UHFFFAOYSA-N
SMILES	CCO[Si](OCC)(OCC)OCC
PubChem CID	6517

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
H-bond donors / acceptors	0 / 4
TPSA	36.9 Å²
Synonyms	Tetraethoxysilane, Tetraethyl orthosilicate, Dynasil A, Silicon ethoxide, Silicon tetraethoxide, Silikan L, Ethyl orthosilicate, Etylu krzemian, Silane, tetraethoxy-, Tetraethylorthosilicate, Silicic acid, tetraethyl ester, Silicate d'ethyle

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 78-10-4

Synthesis

Ethyl silicate

CAS: 78-10-4
Formula: C₈H₂₀O₄Si
MW: 208.33 g/mol

VQ-011120

Synthesis

Tetraethyl orthosilicate, 98%

CAS: 78-10-4
Formula: C₈H₂₀O₄Si
MW: 208.33 g/mol

VQ-011147

Puriss

Tetraethyl orthosilicate, 99.999%

CAS: 78-10-4
Formula: C₈H₂₀O₄Si
MW: 208.33 g/mol

VQ-011149

Tetraethyl orthosilicate, 99%

CAS: 78-10-4
Formula: C₈H₂₀O₄Si
MW: 208.33 g/mol

VQ-011148

Frequently asked questions

What is the CAS number of Tetra ethoxy silane, 98%?

The CAS Registry Number of Tetra ethoxy silane, 98% is 78-10-4. It is also known as Tetraethoxysilane, Tetraethyl orthosilicate, Dynasil A.

What is the molecular formula and molecular weight of Tetra ethoxy silane, 98%?

Tetra ethoxy silane, 98% has the molecular formula C8H20O4Si and a molecular weight of 208.33 g/mol. Its IUPAC name is tetraethyl silicate.

Which grade and pack sizes of Tetra ethoxy silane, 98% can I order?

We supply Tetra ethoxy silane, 98% in Synthesis (98%) grade, in 250 mL, 500 mL, 220 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tetra ethoxy silane, 98%?

Yes. Every lot of Tetra ethoxy silane, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tetra ethoxy silane, 98% be shipped internationally?

Yes. Tetra ethoxy silane, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.