Description

Tungsten(V) Ethoxide is a high-purity metal-organic compound, also known as Tungsten Ethoxide, with the CAS number 26143-11-3. This alkoxide precursor is critical for depositing high-quality tungsten oxide films with controlled stoichiometry and properties. It is essential for manufacturers and R&D teams in the electronics, optics, and advanced materials sectors seeking reliable, high-performance chemical vapor deposition (CVD) and atomic layer deposition (ALD) sources.

Application

• Chemical Vapor Deposition (CVD) & Atomic Layer Deposition (ALD): A key precursor for depositing tungsten oxide (WOx) thin films for electrochromic windows, smart glass, and gas sensors.
• Advanced Ceramics & Catalysis: Used in sol-gel processes to synthesize tungsten-based ceramic powders and heterogeneous catalysts.
• Optical & Electronic Coatings: Enables the production of coatings for anti-reflection, photocatalytic, and semiconductor applications.
• Nanomaterials Synthesis: Serves as a molecular source for creating tungsten oxide nanowires, nanoparticles, and other nanostructures.
• Research & Development: A fundamental reagent in academic and industrial labs for exploring new materials chemistry involving tungsten.

Basic Information

Product Name	Tungsten(V) Ethoxide
CAS No.	26143-11-3
Molecular Formula	W(OC2H5)5 or C10H25O5W
Molecular Weight	401.15 g/mol
Synonyms	Pentaethoxy tungsten; Tungsten Ethoxide; Tungsten Pentaethoxide; Ethoxytungsten(V); Tungsten(5+) ethoxide; W(OEt)5; Tungsten Alkoxide
EINECS	Contact for details

Quality Control

Our Tungsten(V) Ethoxide is produced and handled under stringent quality management protocols. Each batch undergoes comprehensive analysis to ensure high purity and consistency, meeting the exacting standards required for precursor applications in thin-film deposition and advanced materials synthesis. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition.

Specification

Item	Specification
Appearance	Yellow to amber liquid or solid
Identification (IR)	Conforms
Assay (Tungsten content)	≥ 95.0%
Purity (by NMR/HPLC)	≥ 99.0%
Density (at 20°C)	~1.6 g/mL
Solubility	Soluble in organic solvents (e.g., toluene, hexane)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.