Tungsten(IV) chloride
Tungsten(IV) chloride (CAS: 13470-13-8), with the chemical formula WCl4, is a compound supplied by Tech Serve Solutions. It is a dark-coloured powder with an assay of 95%. This compound is primarily utilised in chemical synthesis, particularly for creating new ditungsten phosphine complexes and in inorganic chemistry applications. Its properties make it a valuable reagent for advanced research and materials science.
- IUPAC
- Tungsten tetrachloride

Synthesis of Ditungsten Phosphine Complexes
Tungsten(IV) chloride serves as a crucial precursor in the synthesis of novel triply bonded ditungsten phosphine complexes, advancing organometallic chemistry research.
Inorganic Chemistry Reagent
This compound is employed in inorganic chemistry for the preparation of various tungsten-containing materials and coordination compounds, facilitating the exploration of tungsten's chemical behaviour.
Materials Science Research
As a source of tungsten, WCl4 finds application in materials science for the development of new materials with unique electronic or structural properties.
| Molecular weight | 325.65 |
|---|---|
| Linear formula | WCl4 |
| Assay | 95% |
| Form | powder |
| Application | Used in the synthesis of new triply bonded ditungsten phosphine complexes.1 |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3260 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tungsten(IV) chloride used for?
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Tungsten(IV) chloride (CAS: 13470-13-8) is used in the synthesis of new triply bonded ditungsten phosphine complexes and in inorganic chemistry research.
What is the CAS number and chemical formula for Tungsten(IV) chloride?
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The CAS number for Tungsten(IV) chloride is 13470-13-8 and its chemical formula is WCl4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tungsten(IV) chloride with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for Tungsten(IV) chloride?
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Tungsten(IV) chloride is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and respiratory protection, must be used. Handle with extreme care in a well-ventilated area. Refer to the safety data sheet for full details.
How is Tungsten(IV) chloride packed, shipped, and exported?
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Tungsten(IV) chloride is shipped according to UN 3260 8 / PGII regulations, ensuring safe and compliant transport globally.
How can I request a quote or sample for Tungsten(IV) chloride?
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To request a quote or a sample of Tungsten(IV) chloride, please contact the Tech Serve Solutions sales team via our website or by telephone.
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