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Sigma-Aldrich

Tungsten(VI) chloride

≥99.9% trace metals basis

Sinónimos:

Tungsten hexachloride

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About This Item

Fórmula lineal:
WCl6
Número de CAS:
13283-01-7
Peso molecular:
396.56
Número CE:
236-293-9
Número MDL:
MFCD00011463
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
24854501
NACRES:
NA.23

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presión de vapor

43 mmHg ( 215 °C)

Nivel de calidad

100

Ensayo

≥99.9% trace metals basis

Formulario

powder

idoneidad de la reacción

reagent type: catalyst
core: tungsten

impurezas

≤1000.0 ppm Trace Metal Analysis

bp

347 °C (lit.)

mp

275 °C (lit.)

densidad

3.52 g/mL at 25 °C (lit.)

cadena SMILES

Cl[W](Cl)(Cl)(Cl)(Cl)Cl

InChI

1S/6ClH.W/h6*1H;/q;;;;;;+6/p-6

Clave InChI

KPGXUAIFQMJJFB-UHFFFAOYSA-H

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Descripción general

Tungsten(VI) chloride is a highly reactive crystalline solid commonly used in the field of catalysis, perovskite solar cells, and light-emitting devices. It is a diamagnetic solid. However, it can be highly corrosive and have strong oxidizing effects.

Aplicación

Tungsten(VI) chloride can be used:
  • As a starting material to synthesize tungsten nanoparticles[1] and Mo-doped urchin-like W18O49 Nanostructure using the hydrothermal method. The Mo-W18O49 electrocatalyst exhibited excellent electrocatalytic activity toward Hydrogen Evolution Reaction (HER).[2] By doping Mo species into defect-rich W18O49 ultrathin nanowires, it has also been demonstrated to be an excellent candidate for photocatalytic N2 fixation to ammonia.[3]
  • To synthesize crystalline mesoporous WO3 with 11 nm pore size utilizing a high-molecular-weight amphiphilic block copolymer as the structure-directing agent. The materials performed admirably in terms of H2S gas sensing.[4]
  • To fabricate Tungsten disulfide and WS2/reduced graphene oxide (WS2/rGO) nanosheets by hydrothermal synthesis. The WS2/rGO nanosheets showed exceptional electrocatalytic activity for the hydrogen evolution reaction.
  • To produce the WS2-nanoflowers@rGO and nitrogen-doped carbon spheres@WS2 composite as an anode material for enhanced electrode performance in lithium-ion batteries.[5]
  • As a dopant to fabricate TiO2 compact layers for perovskite solar cells with enhanced performance.[6]
  • As a catalyst to prepare self-healing epoxy composites with microcapsules.[7]
  • As a catalyst for transamidation of tertiary alkyl amides.[8]

Pictogramas

CorrosionExclamation mark
GHS05,GHS07

Palabra de señalización

Danger

Frases de peligro

H314,H335,H412

Clasificaciones de peligro

Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

8A - Combustible corrosive hazardous materials

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
MKCX5753
MKCX1212
MKCV9652
MKCT8092
MKCV4479

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Visite la Librería de documentos

Hierarchical Nanocomposite of Hollow N-Doped Carbon Spheres Decorated with Ultrathin WS2 Nanosheets for High-Performance Lithium-Ion Battery Anode
Xiaohui Zeng, et al.
ACS Applied Materials & Interfaces, 8, 18841-18848 (2016)
Giuseppe Bengasi et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 25(35), 8313-8320 (2019-04-03)
Oxidative chemical vapour deposition of (5,15-diphenylporphyrinato)nickel(II) (NiDPP) with iron(III) chloride as oxidant yielded a conjugated poly(metalloporphyrin) as a highly coloured thin film, which is potentially useful for optoelectronic applications. This study clarified the reactive sites of the porphyrin monomer NiDPP
Refining Defect States in W18O49 by Mo Doping: A Strategy for Tuning N2 Activation towards Solar-Driven Nitrogen Fixation
Ning Zhang, et al
Journal of the American Chemical Society, 140, 9434-9443 (2018)
Preparation and self-healing performance of epoxy composites with microcapsules and tungsten (VI) chloride catalyst
Li Haiyan, et al.
Journal of Reinforced Plastics and Composites, 31, 924-932 (2012)
Liyan Zhou et al.
Scientific reports, 9(1), 1357-1357 (2019-02-06)
Tungsten Disulfide (WS2) is considered to be a promising Hydrogen Evolution Reaction (HER) catalyst to replace noble metals (such as Pt and Pd). However, progress in WS2 research has been impeded by the inertness of the in-plane atoms during HER.
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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. Hello. Could you possibly provide me with the average particle size and a brief description of the particle shape? I am looking for small, homogeneous nano-particles. An SEM image would be greatly appreciated. Thank you.

    1 answer

    1. The particle size of this product is not determined, but is expected to be less than 2 mm. Unfortunately, an SEM image is currently not available.

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