Holmium(III) sulfate octahydrate
Holmium(III) sulfate octahydrate, CAS 13473-57-9, with the chemical formula Ho2(SO4)3 · 8H2O and a molecular weight of 762.17 g/mol, is a hydrated inorganic salt of holmium. This pink crystalline solid finds utility in various chemical applications, including catalysis, inorganic synthesis, and materials science. Its specific properties make it a valuable reagent in research and industrial settings requiring precise chemical formulations.

Catalysis and Inorganic Chemistry
Holmium(III) sulfate octahydrate can serve as a component in catalytic systems or as a precursor in the synthesis of complex inorganic materials, leveraging the unique properties of holmium.
Chemical Synthesis
This compound is employed as a reagent in specialised chemical syntheses, contributing holmium ions for the development of novel compounds or materials with specific optical or magnetic characteristics.
Materials Science Research
It is utilised in materials science for developing advanced materials, such as phosphors or magnetic nanoparticles, where the lanthanide element holmium imparts desired functionalities.
| Molecular weight | 762.17 |
|---|---|
| Linear formula | Ho2(SO4)3 · 8H2O |
| Assay | 99.9% |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- 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 |
| Safety statements (S) | 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 Holmium(III) sulfate octahydrate used for?
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Holmium(III) sulfate octahydrate is used in catalysis, inorganic chemistry, chemical synthesis, and materials science research. It can serve as a precursor for developing advanced materials with specific optical or magnetic properties.
What is the CAS number and chemical formula for Holmium(III) sulfate octahydrate?
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The CAS number for Holmium(III) sulfate octahydrate is 13473-57-9, and its chemical formula is Ho2(SO4)3 · 8H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Holmium(III) sulfate octahydrate with an assay of 99.9%. We do not represent this product as USP, BP, or EP grade.
How should Holmium(III) sulfate octahydrate be handled safely?
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Holmium(III) sulfate octahydrate is a warning substance that causes serious eye irritation (H319). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing (P305 + P351 + P338).
How is this chemical shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, and Holmium(III) sulfate octahydrate can be packed and shipped according to international regulations for chemical substances.
How can I request a quote or sample?
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To request a quote or a sample of Holmium(III) sulfate octahydrate, please contact our sales department through the website or by phone.
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