Magnesium sulfate hexahydrate
Magnesium sulfate hexahydrate (CAS: 17830-18-1), with the linear formula MgSO<sub>4</sub> · 6H<sub>2</sub>O and a molecular weight of 228.46 g/mol, is a hydrated inorganic salt. It presents as a white crystalline solid. This compound is widely utilised in chemical synthesis and as a general laboratory reagent, finding applications in various industrial and research settings. Its consistent quality makes it a reliable choice for diverse chemical processes.

Chemical Synthesis
Magnesium sulfate hexahydrate serves as a versatile reagent in organic synthesis, often used for drying organic solvents due to its hygroscopic nature. It is also employed as a source of magnesium ions in various chemical preparations.
Laboratory Reagent
As a fundamental inorganic salt, it is a common component in many laboratory protocols. Its predictable behaviour and well-defined properties make it suitable for educational and research purposes across different scientific disciplines.
Industrial Processes
This compound finds utility in a range of industrial applications, contributing to processes requiring magnesium salts. Its consistent assay ensures reliable performance in manufacturing and production environments.
| Molecular weight | 228.46 |
|---|---|
| Linear formula | MgSO4 · 6H2O |
| Assay | ≥99.0% (KT)≥99.0% |
| Grade | puriss. p.a. |
| pH | 5-8 (20 °C, 5% in H2O) |
| Impurities tested | ≤0.0005% heavy metals (as Pb) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Cation traces | Ca: ≤50 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgMn: ≤5 mg/kgNH4+: ≤20 mg/kgNa: ≤50 mg/kgZn: ≤20 mg/kg |
| Anion traces | chloride (Cl-): ≤5 mg/kgnitrate (NO3-): ≤20 mg/kg |
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 Magnesium sulfate hexahydrate used for?
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Magnesium sulfate hexahydrate is primarily used in chemical synthesis and as a general laboratory reagent. It is also applied in various industrial processes.
What is the CAS number and chemical formula for Magnesium sulfate hexahydrate?
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The CAS number is 17830-18-1 and the linear formula is MgSO<sub>4</sub> · 6H<sub>2</sub>O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Magnesium sulfate hexahydrate in a puriss. p.a. grade with an assay of ≥99.0% (KT) / ≥99.0%.
What are the safety and handling considerations for Magnesium sulfate hexahydrate?
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When handling Magnesium sulfate hexahydrate, it is advised to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK Germany rating of 1, indicating low hazard.
How is Magnesium sulfate hexahydrate packed, shipped, and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging and adherence to all regulations for the safe transport of Magnesium sulfate hexahydrate worldwide.
How can I request a sample or quote for Magnesium sulfate hexahydrate?
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To request a sample or a quote for Magnesium sulfate hexahydrate, please contact the TSS sales team through our official website or direct inquiry channels.
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