Magnesium sulfate
Magnesium sulfate (CAS 7487-88-9), with the molecular formula MgSO4 and a molecular weight of 120.37 g/mol, is a widely applicable inorganic salt. Available as a powder and chunks with an assay of ≥99.5%, it is recognised for its utility in chemical synthesis and as a general laboratory reagent. Its suitability for plant cell culture testing highlights its specific applications in biological and material science research.

Chemical Synthesis
Magnesium sulfate serves as a key reagent in various chemical synthesis processes. Its properties make it useful for dehydration reactions and as a precursor in the formation of other magnesium compounds.
Materials Science
In materials science, magnesium sulfate can be employed in the development and modification of inorganic materials. Its crystalline structure and chemical reactivity are valuable for creating specific material properties.
Plant Cell Culture
Tested for suitability in plant cell culture, magnesium sulfate provides essential magnesium ions crucial for plant growth and development in laboratory settings. This application underscores its role in biological research.
Laboratory Reagent
As a fundamental inorganic salt and research essential, magnesium sulfate is a standard laboratory reagent used in a variety of analytical and experimental procedures across different scientific disciplines.
| Molecular weight | 120.37 |
|---|---|
| Empirical formula | MgSO4 |
| Assay | ≥99.5% |
| Form | powder and chunks |
| Concentration | 0.1 M MgSO4 |
| Vapour pressure | <0.1 mmHg (20 °C) |
| Vapour density | <0.01 (vs air) |
| Suitability | plant cell culture tested |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Cation traces | heavy metals (as Pb): ≤5 ppm |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Shelf Life | (limited shelf life, expiry date on the label) |
|---|---|
| Factor | 1.000 ±0.002 |
| Sterility | 0.2 μm filtered |
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 used for?
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Magnesium sulfate is used in chemical synthesis, materials science, plant cell culture, and as a general laboratory reagent.
What is the CAS number and formula for Magnesium sulfate?
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The CAS number for Magnesium sulfate is 7487-88-9 and its molecular formula is MgSO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Magnesium sulfate with an assay of ≥99.5%. This product is tested for suitability in plant cell culture. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Magnesium sulfate?
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Handle Magnesium sulfate with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The product has a WGK Germany rating of 1.
How is Magnesium sulfate packed and exported?
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Magnesium sulfate is supplied in powder and chunks form. As a specialist global supplier, Tech Serve Solutions can assist with export requirements.
How can I request a quote or sample for Magnesium sulfate?
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To request a quote or sample for Magnesium sulfate, please contact our sales team via the website or by phone.
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