Samarium(III) hydroxide hydrate
Samarium(III) hydroxide hydrate (CAS: 20403-06-9, Formula: Sm(OH)3 · xH2O) is a chemical compound supplied by Tech Serve Solutions. With a molecular weight of 201.38 (anhydrous basis), this samarium salt is available as a powder and chunks. It is primarily utilised in catalysis and materials science research, serving as a foundational material for developing new compounds and advanced materials. Its properties make it a valuable reagent in various chemical synthesis pathways.

Catalysis
Samarium(III) hydroxide hydrate can serve as a precursor or component in catalytic systems. Its unique properties may be leveraged in the development of novel catalysts for specific chemical transformations.
Materials Science
As a source of samarium, this compound is applicable in materials science for the synthesis of samarium-containing oxides, ceramics, or composites with specialised magnetic or optical properties.
Chemical Synthesis
This hydroxide is employed as a reagent in inorganic synthesis, facilitating the introduction of samarium into various target molecules or materials during research and development.
| Molecular weight | 201.38 (anhydrous basis) |
|---|---|
| Linear formula | Sm(OH)3 · xH2O |
| Assay | 99.99% trace metals basis |
| Form | powder and chunks |

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) | 26-36 |
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 Samarium(III) hydroxide hydrate used for?
+
Samarium(III) hydroxide hydrate is used in catalysis, materials science, and chemical synthesis as a source of samarium for developing new compounds and advanced materials.
What is the CAS number and chemical formula for Samarium(III) hydroxide hydrate?
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The CAS number is 20403-06-9 and the chemical formula is Sm(OH)3 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Samarium(III) hydroxide hydrate with a purity of 99.99% trace metals basis. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling Samarium(III) hydroxide hydrate?
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This compound is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Ensure adequate ventilation and avoid dust formation.
How is Samarium(III) hydroxide hydrate packed and shipped?
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Samarium(III) hydroxide hydrate is supplied as a powder and chunks. Tech Serve Solutions, a global supplier and exporter, handles packing and shipping in compliance with international regulations.
How can I request a quote or sample for Samarium(III) hydroxide hydrate?
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To request a quote or sample, please contact our sales team directly through our website or by phone.
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