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Magnesium Sulfate
Magnesium Sulfate (Product Code: SCI-723/318) is an analytical reagent grade magnesium salt, familiar in hydrated form as Epsom salt, used for crystal growing, water-of-crystallisation calculations and magnesium ion tests in school and college laboratories. Biology departments also use it to supply magnesium in plant-nutrition experiments, and the 100 g pack comes with an MSDS. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, for schools sourcing educational laboratory equipment in India.
Specifications
| Parameter | Detail |
|---|---|
| Chemical | Magnesium sulfate |
| Grade | Analytical reagent |
| Pack size | 100 g |
| Anhydrous or hydrated | Not stated in the listing; tell us which form your method needs |
| MSDS | Included with the pack |
| Shelf life | Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. |
| Product code | SCI-723/318 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Magnesium Sulfate Used For?
A quantitative favourite is heating a weighed sample of the hydrated salt in a crucible to constant mass. The mass lost is water of crystallisation, and students calculate how many water molecules each formula unit carries. The hydrated salt also crystallises quickly from a warm saturated solution, giving fine needle-shaped crystals within a single lesson.
For ion tests, sodium hydroxide gives a white magnesium hydroxide precipitate that does not dissolve in excess, which separates magnesium from zinc and aluminium. In biology, dilute solutions add magnesium to nutrient cultures, and leaving it out shows the leaf yellowing of magnesium deficiency, because magnesium sits at the centre of chlorophyll. This is a laboratory reagent, not a product for personal or medicinal use.
What to Specify When Ordering
- Whether you need the anhydrous or a hydrated form, as the listing does not say.
- The number of 100 g packs for chemistry and biology groups combined.
- Whether the separate Magnesium Sulphate listing for biology labs should be quoted as well.
- Your delivery location in India or abroad.
Supplier
Magnesium Sulfate is supplied by Jain Scientific Equipments Private Limited, which trades as ScienceLab from Ambala, Haryana, and serves chemistry and biology departments with reagents and apparatus. One enquiry can cover this salt together with the crucibles, dishes and trays used in the same practicals. Learn more on the company profile page.
Related Laboratory Equipment
Practicals that use Magnesium Sulfate often draw on these catalogue items:
- Magnesium Sulphate — the same salt listed under the biology range; ask us which suits you.
- Crucible with lid — for heating the hydrated salt to constant mass.
- Petri Dish (Complete) — a shallow dish for growing and viewing needle crystals.
- Hydroponic Tray — grows seedlings in nutrient solutions with and without magnesium.
- Magnesium Chloride — a second magnesium salt for comparing ion tests.
For more chemicals and apparatus, open the Laboratory Equipment category.
Frequently Asked Questions
What is Magnesium Sulfate used for in laboratories?
Magnesium Sulfate is used to grow crystals, to find water of crystallisation by heating to constant mass, to practise magnesium ion tests and to supply magnesium in plant-nutrition experiments. This listing is an analytical reagent grade 100 g pack with MSDS.
Is Magnesium Sulfate the same as Epsom salt?
Epsom salt is the common name for hydrated Magnesium Sulfate. This listing is an analytical reagent pack for laboratory teaching, not a household or medicinal product, and it does not state the hydration form, so confirm the form you need when you enquire.
How do students find the water of crystallisation in Magnesium Sulfate?
Students heat a weighed sample of hydrated Magnesium Sulfate in a crucible, cool and reweigh it, and repeat until the mass stops changing. The mass lost is water; converting both masses to moles gives the number of water molecules per formula unit.
How is magnesium identified in Magnesium Sulfate?
Magnesium in Magnesium Sulfate is identified with sodium hydroxide, which gives a white magnesium hydroxide precipitate that stays insoluble in excess. The sulfate part is confirmed separately with barium chloride solution, giving a white precipitate that does not dissolve in dilute hydrochloric acid.
What is the shelf life of Magnesium Sulfate?
Shelf life depends on the chemical, its grade and storage conditions, so no fixed period is given for Magnesium Sulfate. Ask us for the expiry date of the batch you are quoted, and keep the lid closed because the salt can gain or lose water in open air.
Can Magnesium Sulfate be ordered for both chemistry and biology labs?
Yes. Magnesium Sulfate can be ordered in as many 100 g packs as your chemistry and biology departments need, with delivery across India and international markets. Send the quantity and destination, and Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, will prepare a quotation.
Request a Quote
To get a Magnesium Sulfate quotation, share the form, pack count and destination via our contact page, or add it to the enquiry cart with crucibles or trays for the practical. We will respond with pricing and the batch expiry date.
Last updated: 24 September 2026
