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Potash Alum
Potash Alum (Product Code: SCL-740/115) is potassium aluminium sulphate, a hydrated double salt used for crystallisation, double-salt preparation and ion-identification practicals in school and college chemistry laboratories. It comes as an analytical reagent in a 500 gm pack supplied with its MSDS, and its clear, well-shaped crystals give visible results within a single lesson. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, a lab chemicals supplier for schools, colleges and dealers.
Specifications
| Parameter | Detail |
|---|---|
| Chemical | Potash alum (potassium aluminium sulphate, hydrated) |
| Pack size | 500 gm |
| Grade | Analytical reagent |
| Documentation | Supplied with MSDS |
| 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 | SCL-740/115 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Potash Alum Used For?
In a crystallisation practical, students dissolve potash alum in the minimum amount of hot distilled water, filter the solution, concentrate it in a china dish and leave it to cool slowly so that regular, octahedral crystals separate. In the preparation of a double salt, equivalent amounts of potassium sulphate and aluminium sulphate are dissolved together with a few drops of dilute sulphuric acid to prevent hydrolysis, and potash alum crystallises out on cooling. The salt also serves in qualitative analysis for identifying potassium, aluminium and sulphate ions, and in a simple water-treatment demonstration where a pinch of alum makes the suspended clay in a beaker of muddy water settle.
Handle it with a clean spatula, avoid contact with the eyes and do not taste it; the MSDS supplied with the pack sets out the handling, storage and first-aid details. Keep the container tightly closed in a cool, dry place and use older stock first. Buying packs that come with their MSDS makes it easier to keep chemical safety records up to date.
Supplier
Jain Scientific Equipments Private Limited trades as ScienceLab from Ambala, Haryana, India, and supplies laboratory reagents such as this potash alum to schools, colleges and dealers in India and international markets. Because the same company also supplies the glassware and other salts used in these practicals, a chemistry department can order its crystallisation materials in one quotation. Read the company profile to learn more.
Related Chemistry Lab Equipment
For crystallisation and double-salt practicals, potash alum is usually ordered with:
- Potassium Sulfate — one of the two salts combined to prepare potash alum.
- Aluminium Sulphate — the other starting salt for the double-salt preparation.
- Sulphuric Acid Dilute — a few drops prevent hydrolysis during crystallisation.
- Porcelain Dish (China Dish) — for concentrating the solution before cooling.
- Reagent Bottles For Solids — storage for the crystals and remaining stock.
More reagents and apparatus are in the Chemistry Lab category.
Frequently Asked Questions
What pack size is Potash Alum supplied in?
Potash Alum is supplied in a 500 gm pack of analytical reagent grade, with its MSDS. Tell us how many packs your classes need when you request a quotation, and add the other salts for the practical if you want them quoted together.
What grade is this Potash Alum?
This Potash Alum is listed as an analytical reagent, a grade suited to teaching practicals such as crystallisation, double-salt preparation and qualitative analysis, as well as to routine laboratory work in school and college chemistry departments.
Does Potash Alum come with safety information?
Yes. Each 500 gm pack of Potash Alum is supplied with an MSDS covering handling, storage and first aid. Keep it with your chemical stock register and read it before the salt is first used in class.
What is the shelf life of Potash Alum?
Shelf life depends on the chemical, its grade and storage conditions, so no single expiry period is given for Potash Alum. Ask us for the expiry date of the batch you are quoted, and store the pack tightly closed in a cool, dry place.
Is a certificate of analysis available for Potash Alum?
Batch documentation for Potash Alum beyond the MSDS is not stated in the listing. Please discuss any documents you need with us through the contact page before ordering, so we can confirm what can be provided.
Can Potash Alum be used for crystal-growing projects?
Yes. Potash Alum forms clear crystals from a cooled, saturated solution, which makes it a popular choice for school crystal-growing activities and science fair work alongside the standard crystallisation practical.
Who supplies Potash Alum?
Potash Alum is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India, to institutions and dealers in India and international markets. Quantities, packing and shipping arrangements for chemicals are confirmed when you enquire.
Request a Quote
Send the number of packs you need through the contact page, or add Potash Alum (SCL-740/115) to the enquiry cart with the other salts and glassware for your practical for one quotation.
Last updated: 24 September 2026
