Thulium(III) sulfate octahydrate
Thulium(III) sulfate octahydrate (CAS: 13778-40-0) is a crystalline inorganic compound with the chemical formula Tm2(SO4)3 · 8H2O. It has a molecular weight of 770.18 g/mol. This thulium salt is primarily utilised as a reactant in dehydration reactions within chemical synthesis and inorganic chemistry. Tech Serve Solutions supplies this compound for laboratory and research applications.
- IUPAC
- Sulfuric acid thulium(III) salt octahydrate
- Synonyms
- Sulfuric acid thulium(III) salt octahydrate

Dehydration Reactions
Thulium(III) sulfate octahydrate serves as a reactant in dehydration reactions. Its properties facilitate the removal of water molecules in specific chemical transformations.
Inorganic Chemistry
This compound is employed within the field of inorganic chemistry. It can be used in studies involving lanthanide chemistry and the synthesis of novel inorganic materials.
Chemical Synthesis
As a reagent in chemical synthesis, thulium(III) sulfate octahydrate contributes to the formation of new chemical entities. Its specific reactivity is valuable in bespoke synthesis pathways.
| Molecular weight | 770.18 |
|---|---|
| Linear formula | Tm2(SO4)3 · 8H2O |
| Assay | 99.9% trace metals basis |
| Application | Reactant in dehydration reactions1 |

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, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Thulium(III) sulfate octahydrate used for?
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Thulium(III) sulfate octahydrate is used as a reactant in dehydration reactions within chemical synthesis and inorganic chemistry.
What is the CAS number and chemical formula for Thulium(III) sulfate octahydrate?
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The CAS number is 13778-40-0 and the chemical formula is Tm2(SO4)3 · 8H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Thulium(III) sulfate octahydrate with a purity of 99.9% on a trace metals basis. This is a technical/research grade material and is not represented as USP, BP, EP, or pharmaceutical grade.
What are the safety and handling precautions for Thulium(III) sulfate octahydrate?
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This compound is a warning substance (GHS07) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 or P2 respirator cartridges), eyeshields, faceshields, and gloves, should be worn. Handle in a well-ventilated area and avoid dust formation.
How is Thulium(III) sulfate octahydrate packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details for shipping depend on the quantity ordered and destination, adhering to all relevant transport regulations.
How can I request a sample or a quote for Thulium(III) sulfate octahydrate?
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To request a sample or a quote, please contact our sales department via the website or by telephone, providing the product name, CAS number, and desired quantity.
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