Rhenium(III) chloride
Rhenium(III) chloride (CAS: 13569-63-6), with the linear formula ReCl<sub>3</sub>, is a chemical compound and a valuable starting material in inorganic synthesis. Possessing a molecular weight of 292.57 g/mol, this rhenium salt is primarily recognised for its role in preparing electron-reservoir complexes. It serves as a key precursor in advanced materials science and catalysis research.
- IUPAC
- Rhenium trichloride

Precursor for Electron Reservoir Complexes
Rhenium(III) chloride is employed as a starting material for the synthesis of peralkylated benzene-metal complexes. These complexes exhibit unique electronic properties and function as electron reservoirs in various chemical applications.
Catalysis Research
This compound finds application in catalytic research due to the unique properties of rhenium. It can be investigated for its potential in homogeneous or heterogeneous catalytic systems.
Materials Science
As a source of rhenium, ReCl<sub>3</sub> is utilised in materials science for developing novel materials with specific electrical or optical properties.
| Molecular weight | 292.57 |
|---|---|
| Linear formula | ReCl3 |
| Form | powder |
| Solubility | H2O: slightly soluble(lit.) |
| Application | Starting material for peralkylated benzene-metal complexes that act as electron reservoirs.1 |
| Melting point | 500 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 Rhenium(III) chloride used for?
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Rhenium(III) chloride (CAS: 13569-63-6) is primarily used as a starting material for peralkylated benzene-metal complexes that function as electron reservoirs. It also finds applications in catalysis and materials science research.
What is the CAS number and chemical formula for Rhenium(III) chloride?
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The CAS number for Rhenium(III) chloride is 13569-63-6 and its linear formula is ReCl<sub>3</sub>.
What grade and purity does Tech Serve Solutions supply for Rhenium(III) chloride?
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Tech Serve Solutions supplies Rhenium(III) chloride as a powder. The specific assay or purity is available on the Certificate of Analysis (CoA) for each batch. We do not represent this product as USP, BP, or EP grade.
How should Rhenium(III) chloride be handled safely?
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Rhenium(III) chloride is classified as a Warning substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Use appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Work in a well-ventilated area or fume hood.
Is Rhenium(III) chloride a controlled substance?
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Based on the provided data, Rhenium(III) chloride (CAS: 13569-63-6) is not indicated as a controlled substance.
How is Rhenium(III) chloride packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports Rhenium(III) chloride in compliance with all relevant regulations for chemical handling and international transport. Detailed specifications are available upon request.
How can I request a sample or quote for Rhenium(III) chloride?
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To request a sample or quote for Rhenium(III) chloride, please contact our sales team through the website or by calling us directly. Please provide your details and the quantity required.
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