Magnesium thiosulfate hexahydrate
Magnesium thiosulfate hexahydrate (CAS: 13446-30-5) is an inorganic salt with the chemical formula MgS2O3 · 6H2O and a molecular weight of 244.52 g/mol. This compound, often supplied as a clear, colourless aqueous solution, is soluble in water. It finds applications as a reagent in chemical synthesis and is a key component in various material science and research settings, being classified as an essential chemical.

Chemical Synthesis
Magnesium thiosulfate hexahydrate serves as a reagent in laboratory and industrial chemical synthesis. Its properties make it useful for specific synthetic pathways and reactions.
Material Science Research
This compound is utilized in materials science for the development and study of new materials. Its inorganic salt nature contributes to its use in ceramic and metal science applications.
Analytical Reagent
As a well-defined inorganic salt, magnesium thiosulfate hexahydrate can be employed as a reagent in various analytical procedures and research applications.
| Molecular weight | 244.52 |
|---|---|
| Linear formula | MgS2O3 · 6H2O |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| Impurities tested | <0.1% Insoluble matter |
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
| Cation traces | Al: Ca: Cu: Fe: K: NH4+: Na: Pb: Zn: <0.0005% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioXtra |
|---|
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 Magnesium thiosulfate hexahydrate used for?
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Magnesium thiosulfate hexahydrate is used in chemical synthesis, material science research, and as an analytical reagent.
What are the CAS number and formula for Magnesium thiosulfate hexahydrate?
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The CAS number is 13446-30-5, and the chemical formula is MgS2O3 · 6H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Magnesium thiosulfate hexahydrate primarily for research and chemical synthesis purposes. The specific grade and purity are detailed in the product specifications. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the specifications.
What are the safety and handling considerations for Magnesium thiosulfate hexahydrate?
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Magnesium thiosulfate hexahydrate is classified as an irritant (Xi) in Europe, with risk statements R36/37/38 indicating it causes skin, eye, and respiratory irritation. Appropriate safety measures, such as wearing protective gloves and eye protection (safety statements S26 and S36), should be followed during handling. It has a WGK rating of 3 in Germany, indicating it is hazardous to water.
How is Magnesium thiosulfate hexahydrate packed and shipped?
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Tech Serve Solutions exports fine chemicals globally, ensuring appropriate packaging and adherence to international shipping regulations for chemical products.
How can I request a quote or sample?
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To request a quote or a sample of Magnesium thiosulfate hexahydrate, please contact our sales team through the TSS website or by phone.
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