Tungsten(Ⅴ) Chloride

Tungsten(Ⅴ) Chloride Basic Properties

• Molecular Formula: Cl5W

• Appearance: Blackish-green hygroscopic crystal

• Molecular Weight: 361.11

• Melting Point: 242°C

• Boiling Point: 297.19°C (estimate)

• Density: 3.875

• Solubility: Insoluble in water, reacts with it; Soluble in some organic solvents such as carbon tetrachloride

• Package Information: As your requirements

Tungsten(Ⅴ) Chloride Key Features

Excellent coordination reaction ability

Tungsten(V) chloride can form stable metal compounds with a variety of organic ligands, and is used in catalysis and materials chemistry research.

Excellent reducing and catalytic properties

WCl5 has a certain reducing ability and can be used as a reducing agent in organic reactions or as a component of Ziegler-Natta type catalysts for the polymerization of olefins.

High controllability of the reaction

This compound provides milder reaction conditions in certain transformations, allowing chemists to finely control the reaction pathway and thus obtain higher selectivity for the target product.

Tungsten(Ⅴ) Chloride Main Applications

Organic synthesis and fine chemicals

In the synthesis of pharmaceutical and advanced material intermediates, tungsten(V) chloride serves as a specialized chlorinating agent and catalyst to achieve specific carbon-chlorine bond construction or participate in carbon-carbon bond formation reactions, synthesizing complex molecules that are difficult to prepare using conventional methods.

Preparation of functional materials

WCl5 is a classic precursor for preparing tungsten-based clusters with special electrical, magnetic, or optical properties, which have potential applications in molecular electronics and catalysis.

Tungsten chemistry research and development

This compound is an important reagent for investigating the redox behavior of tungsten and synthesizing novel tungsten complexes. It is often used to study catalytic mechanisms and develop new synthetic methodologies.

Polymer catalysis

As a catalyst component, WCl5 can be combined with co-catalysts such as alkylaluminum to catalyze the polymerization of olefins such as ethylene and propylene, and to develop polymer materials with specific structures.

Precautions

1. Tungsten(V) chloride reacts with water to produce hydrogen chloride and tungsten oxide, and must be stored in a dry, sealed environment. It is recommended to use an argon or nitrogen glove box/Schlenk system for handling.

2. To prevent uncontrollable chemical reactions, avoid mixing with reducing agents and strong oxidizing agents, and ensure that it is stored separately in a cool, dry, and airtight container.

3. During operation, personal protective equipment such as acid-resistant gloves, goggles, and protective clothing must be worn to avoid skin and eye contact.

4. If skin contact occurs, immediately rinse with plenty of water for at least 15 minutes and remove contaminated clothing. If eye contact occurs, immediately flush the eyelids and surrounding area with plenty of water or saline solution, and seek immediate medical attention. If inhaled, move quickly to fresh air and seek medical attention if necessary.

FAQ

1. Why do the WCl5 samples I purchase sometimes exhibit different shades of color?

WCl5 itself is dark black or dark green, but it is very sensitive to light and air. Slight color variations may indicate minor surface oxidation or decomposition of the sample, generating small amounts of tungsten oxides or chloride oxides in different valence states. To ensure optimal reaction performance, it is recommended to use fresh samples with uniform color and good storage.

2. What are the alternatives to a glove box when handling tungsten(V) chloride?

If a glove box is unavailable, the standard Schlenk vacuum line technique is the preferred alternative. It provides an oxygen-free and anhydrous environment to the reaction vessel through evacuation and circulation of inert gas. Direct exposure to ambient air should be avoided under all circumstances.

For more information or to purchase Tungsten(Ⅴ) Chloride(WCl5), please feel free to contact us via jomin@wolfabio.com or WhatsApp(+86 18359103607).