Description

Bis(Acetonitrile)Tetracarbonyltungsten(0) is a versatile organometallic compound and a valuable precursor in advanced materials synthesis. This compound matters for its role as a source of reactive tungsten carbonyl fragments under mild conditions, enabling precise chemical transformations. It is primarily needed by researchers and manufacturers in the fields of catalysis, chemical vapor deposition (CVD), and materials science for developing novel coatings and catalytic systems.

Application

• Catalysis Research & Development: Serves as a precursor for homogeneous and heterogeneous tungsten-based catalysts used in organic synthesis and polymerization reactions.
• Thin Film Deposition (CVD/ALD): A key volatile source for the chemical vapor deposition (CVD) or atomic layer deposition (ALD) of tungsten, tungsten carbide, or tungsten nitride thin films for semiconductor and hard coating applications.
• Organometallic Synthesis: Used as a starting material for synthesizing more complex tungsten complexes by ligand exchange or substitution reactions.
• Surface Modification: Employed in surface science for grafting tungsten carbonyl species onto various supports to create functionalized surfaces.
• Polymer & Material Science: Investigated for its potential in initiating or catalyzing the formation of specialized polymers and advanced inorganic-organic hybrid materials.

Basic Information

Product Name	Bis(Acetonitrile)Tetracarbonyltungsten(0)
CAS No.	16800-45-6
Molecular Formula	C8H6N2O4W
Molecular Weight	394.00 g/mol
Synonyms	Tetracarbonylbis(acetonitrile)tungsten(0); Tungsten tetracarbonyl bis(acetonitrile); Bis(acetonitrile)tetracarbonyltungsten; Acetonitrile tetracarbonyltungsten complex; W(CO)4(CH3CN)2; Tetracarbonylbis(methyl cyanide)tungsten; Tungsten carbonyl acetonitrile adduct
EINECS	240-826-5

Quality Control

Our Bis(Acetonitrile)Tetracarbonyltungsten(0) is produced and handled under controlled conditions to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including spectroscopic and chromatographic methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and relevant specifications is provided with every shipment to support your R&D and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This compound is light-sensitive and easily oxidized; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline solid
Identification (IR)	Conforms to structure
Assay (Tungsten content)	≥ 46.0 %
Purity (NMR/HPLC)	≥ 95.0 %
Solubility	Soluble in common organic solvents (e.g., THF, DCM)

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