Gadolinium(III) iodide
Gadolinium(III) iodide (CAS: 13572-98-0), with the molecular formula GdI₃ and a molecular weight of 537.96 g/mol, is an anhydrous inorganic compound. It serves as a valuable reagent in chemical synthesis and research applications. Supplied by Tech Serve Solutions, this compound is typically in powder form, meeting stringent purity requirements for advanced laboratory and industrial use.

Chemical Synthesis
Gadolinium(III) iodide acts as a Lewis acid catalyst in various organic transformations. Its properties make it suitable for specific synthetic pathways requiring a lanthanide iodide.
Materials Science
The compound can be utilised in the development of novel materials due to the unique electronic and magnetic properties of gadolinium. It may be incorporated into inorganic structures or used in the synthesis of precursor materials.
Inorganic Chemistry
As a gadolinium salt, GdI₃ is employed in studies of lanthanide chemistry. It can serve as a starting material for the synthesis of other gadolinium-containing compounds or coordination complexes.
| Molecular weight | 537.96 |
|---|---|
| Linear formula | GdI3 |
| Assay | 99.99% trace metals basis |
| Grade | anhydrous |
| Form | powder |
| Melting point | 926 °C(lit.) |


Hazard statements
- H317May cause an allergic skin reaction
- H360May damage fertility or the unborn child
Precautionary statements
- P201Obtain special instructions before use
- P280Wear protective gloves, clothing and eye/face protection
- P308IF exposed or concerned
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 61-42/43 |
| Safety statements (S) | 53-36/37/39-45 |
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 Gadolinium(III) iodide used for?
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Gadolinium(III) iodide is primarily used in chemical synthesis, materials science research, and inorganic chemistry studies, often as a Lewis acid catalyst or a source of gadolinium.
What is the CAS number and chemical formula for Gadolinium(III) iodide?
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The CAS number for Gadolinium(III) iodide is 13572-98-0, and its chemical formula is GdI₃.
What grade and purity does Tech Serve Solutions supply for Gadolinium(III) iodide?
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Tech Serve Solutions supplies Gadolinium(III) iodide in anhydrous grade with an assay of 99.99% (trace metals basis). We do not represent this product as USP, BP, or EP grade.
How should Gadolinium(III) iodide be handled safely?
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Gadolinium(III) iodide is classified as a Danger with hazards including H317 (May cause an allergic skin reaction) and H360 (May damage fertility or the unborn child). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges, is essential. Handle in a well-ventilated area and follow all safety precautions, including P201, P280, and P308 + P313.
Is Gadolinium(III) iodide a controlled substance?
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Based on the provided data, Gadolinium(III) iodide is not listed as a controlled substance. However, users should always verify local regulations.
How is Gadolinium(III) iodide packed and exported by TSS?
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Gadolinium(III) iodide is carefully packed to ensure integrity during transit. As a global supplier, Tech Serve Solutions exports chemicals worldwide, adhering to all relevant shipping regulations.
How can I request a quote or sample of Gadolinium(III) iodide?
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To request a quote or a sample of Gadolinium(III) iodide, please contact our sales team through the Tech Serve Solutions website or by phone.
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