Description

Pentafluorotungsten (WF5) is a high-purity inorganic fluoride compound, identified by CAS NO 19357-83-6. It serves as a critical precursor in advanced materials synthesis and semiconductor manufacturing, where precise stoichiometry and purity are paramount. This product is essential for research institutions and industrial manufacturers specializing in chemical vapor deposition (CVD), specialty catalysts, and the development of novel tungsten-based materials.

Application

• Chemical Vapor Deposition (CVD) & Atomic Layer Deposition (ALD): As a key tungsten source for depositing thin films of tungsten, tungsten carbide, or tungsten nitride on semiconductor wafers and precision components.
• Catalyst Synthesis: Used in the preparation of specialized fluorination and metathesis catalysts for organic synthesis and petrochemical processes.
• Advanced Material Research: A precursor for synthesizing tungsten fluoride complexes, nanostructured tungsten compounds, and other high-performance materials.
• Electronics & Microfabrication: Employed in etching processes and the creation of conductive or barrier layers in microelectronic devices.
• Laboratory Reagent: Serves as a high-purity fluorinating agent and intermediate in exploratory inorganic and organometallic chemistry.

Basic Information

Product Name	Pentafluorotungsten
CAS No.	19357-83-6
Molecular Formula	F5W
Molecular Weight	278.83 g/mol
Synonyms	Tungsten(V) fluoride; Tungsten pentafluoride; WF5; Pentafluorowolfram; Tungsten fluoride (WF5)
EINECS	Contact for details

Quality Control

Our Pentafluorotungsten is manufactured under controlled conditions to ensure high chemical purity and batch-to-batch consistency. Quality is verified through a suite of analytical techniques including FT-IR spectroscopy, X-ray diffraction (XRD), and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and moisture-sensitive nature, this material must be stored under an inert atmosphere (e.g., argon or nitrogen) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to maximize stability. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to brown crystalline solid or powder
Identification (IR)	Conforms to reference spectrum
Assay (WF5)	≥ 98.0 %
Purity (by elemental analysis)	Contact for details
Major Metallic Impurities	Contact for details

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