Molybdenum(VI) tetrachloride oxide
Molybdenum(VI) tetrachloride oxide (CAS: 13814-75-0), with the molecular formula MoOCl₄ and a molar mass of 253.75 g/mol, presents as a powder or crystalline solid. This compound is primarily recognised for its role in catalysis, particularly as a component in binary catalyst systems for the living polymerisation of substituted acetylenes. Its unique chemical properties make it a valuable reagent in materials science and inorganic chemistry research.
- IUPAC
- Molybdenum chloride oxide,Molybdenum oxide chloride,Molybdenum oxytetrachloride,Molybdenum tetrachloride monoxide,Molybdenum(VI) oxychloride,Tetrachlorooxomolybdenum
- Synonyms
- Molybdenum chloride oxideMolybdenum oxide chlorideMolybdenum oxytetrachlorideMolybdenum tetrachloride monoxideMolybdenum(VI) oxychlorideTetrachlorooxomolybdenum

Catalysis in Polymerisation
Molybdenum(VI) tetrachloride oxide serves as a key component in the development of novel binary catalysts. It facilitates the living polymerisation of substituted acetylenes, offering controlled polymer chain growth.
Materials Science Research
The compound's specific chemical structure and reactivity make it a subject of interest in materials science for the synthesis of new materials with tailored properties.
Inorganic Chemistry
As a molybdenum-containing compound with multiple halide and oxide ligands, it is a useful reagent for studies in coordination chemistry and the synthesis of inorganic complexes.
| Molecular weight | 253.75 |
|---|---|
| Linear formula | MoOCl4 |
| Assay | 97% |
| Form | powder or crystals |
| Storage temperature | 2-8°C |
| Application | Basis for a novel, binary catalyst for the living polymerization of substituted acetylenes.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 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Molybdenum(VI) tetrachloride oxide used for?
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Molybdenum(VI) tetrachloride oxide is used as a basis for novel binary catalysts in the living polymerisation of substituted acetylenes, and in materials science and inorganic chemistry research.
What are the CAS number and formula for Molybdenum(VI) tetrachloride oxide?
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The CAS number is 13814-75-0 and the molecular formula is MoOCl₄.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Molybdenum(VI) tetrachloride oxide with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Molybdenum(VI) tetrachloride oxide be handled?
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Molybdenum(VI) tetrachloride oxide is classified as Danger (GHS05) with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves, is essential. Ensure adequate ventilation and use a suitable respirator if dust is generated.
Is Molybdenum(VI) tetrachloride oxide shipped internationally?
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Yes, Tech Serve Solutions exports a wide range of chemicals globally, adhering to all necessary shipping and regulatory requirements.
How can I request a quote or sample for Molybdenum(VI) tetrachloride oxide?
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To request a quote or sample, please contact our sales team through the website or by telephone, providing the product name and CAS number.
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