Dysprosium(III) iodide
Dysprosium(III) iodide (DyI3), CAS number 15474-63-2, is an inorganic compound with a molecular weight of 543.21 g/mol. This anhydrous, flaky material is primarily utilised as a reagent and intermediate in various chemical synthesis pathways. Its applications span across catalysis and inorganic chemistry research, as well as materials science, contributing to the development of novel compounds and materials. Tech Serve Solutions supplies this rare earth iodide with a high assay for demanding research and industrial applications.

Catalysis
Dysprosium(III) iodide can serve as a Lewis acid catalyst in organic synthesis, promoting reactions that require metal-based catalytic activity. Its unique electronic properties may be exploited in specific catalytic transformations.
Inorganic Synthesis
It is used as a precursor or reagent in the synthesis of other dysprosium-containing compounds and materials. Its iodide form offers specific reactivity profiles for creating novel inorganic structures.
Materials Science Research
DyI3 is employed in the development of advanced materials, potentially including magnetic or optical applications, leveraging the properties of dysprosium. It can be incorporated into host matrices or used in deposition processes.
| Molecular weight | 543.21 |
|---|---|
| Linear formula | DyI3 |
| Assay | 99.99% trace metals basis |
| Grade | anhydrous |
| Form | flakes |


Hazard statements
- H317May cause an allergic skin reaction
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-42/43 |
| Safety statements (S) | 22-26-36 |
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 Dysprosium(III) iodide used for?
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Dysprosium(III) iodide is used in catalysis and inorganic chemistry, chemical synthesis, materials science, and metal and ceramic science research.
What are the CAS number and chemical formula for Dysprosium(III) iodide?
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The CAS number is 15474-63-2 and the chemical formula is DyI3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dysprosium(III) iodide in an anhydrous, flake form with an assay of 99.99% (trace metals basis). We do not represent this product as USP, BP, or EP grade.
How should Dysprosium(III) iodide be handled safely?
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Dysprosium(III) iodide is classified as a Warning substance. It may cause an allergic skin reaction (H317) and is suspected of damaging fertility or the unborn child (H361). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves, is essential. Ensure good ventilation and avoid breathing dust.
Is Dysprosium(III) iodide a controlled substance?
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The provided safety data does not indicate that Dysprosium(III) iodide is a controlled or scheduled substance.
How is Dysprosium(III) iodide packed and shipped?
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Dysprosium(III) iodide is carefully packed to ensure safe transit and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample for Dysprosium(III) iodide?
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To request a quote or sample, please contact the Tech Serve Solutions sales team through our website or direct contact details, specifying the product and desired quantity.
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