Magnesium sulfate hydrate
Magnesium sulfate hydrate (CAS: 22189-08-8) is an inorganic salt supplied by Tech Serve Solutions. This hydrated form of magnesium sulfate, with the linear formula MgSO₄ · aq, is a versatile reagent. It is characterised by its high purity (99% assay) and is widely employed in chemical synthesis and as a fundamental component in various laboratory applications. Its clear, colourless, and soluble nature in water makes it a dependable choice for researchers and industrial chemists.

Chemical Synthesis
Magnesium sulfate hydrate serves as a crucial reagent and drying agent in organic synthesis, facilitating various chemical transformations and purification processes.
Laboratory Reagent
Utilised as a standard laboratory chemical, it is employed in analytical procedures and as a component in preparing buffer solutions and media for biological studies.
Inorganic Salt Applications
Its properties as an inorganic salt make it suitable for diverse industrial applications where controlled magnesium and sulfate ion delivery is required.
| Molecular weight | 120.37 (anhydrous basis) |
|---|---|
| Linear formula | MgSO4 · aq |
| Assay | 99% |
| Grade | Vetec™ reagent grade |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 6.5-8.5 (25 °C, 1 M in H2O) |
| Loss on drying | ≤26-36% loss on ignition, 500 °C |
| Impurities tested | insoluble matter, passes filter test |
| Water hazard class (WGK, DE) | 1 |
|---|---|
| Anion traces | chloride (Cl-): ≤100 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Uv Absorption | λ: 260 nm Amax: 0.026λ: 280 nm Amax: 0.025 |
|---|
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 hydrate used for?
+
Magnesium sulfate hydrate is used in chemical synthesis as a reagent and drying agent, and as a general laboratory reagent for analytical procedures and preparing solutions.
What are the CAS number and formula for Magnesium sulfate hydrate?
+
The CAS number for Magnesium sulfate hydrate is 22189-08-8, and its linear formula is MgSO₄ · aq.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Magnesium sulfate hydrate in Vetec™ reagent grade with an assay of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated in product documentation.
How should Magnesium sulfate hydrate be handled safely?
+
Magnesium sulfate hydrate has a WGK Germany classification of 1, indicating low hazard. However, standard laboratory safety precautions, including wearing appropriate personal protective equipment and ensuring good ventilation, should always be followed.
Is Magnesium sulfate hydrate exported by TSS?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Magnesium sulfate hydrate.
How can I request a quote or sample for Magnesium sulfate hydrate?
+
To request a quote or sample for Magnesium sulfate hydrate, please contact our sales team through the TSS website or by telephone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis