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Potassium Nitrate
Potassium Nitrate (Product Code: SCI-339/155) is an analytical reagent grade nitrate salt used for solubility, crystallisation and thermal decomposition experiments in school and college chemistry labs. It comes in a 200 g pack with an MSDS, and its steep rise in solubility with temperature makes it a common choice for plotting solubility curves. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Grade | Analytical reagent |
| Capacity | 200 g |
| MSDS | Supplied 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-339/155 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Potassium Nitrate Used For?
A common solubility experiment dissolves a weighed amount of potassium nitrate in a fixed volume of water in a boiling tube, warms the tube until all the solid dissolves, then records the temperature at which crystals reappear on cooling. Repeating this with different masses builds a solubility curve, and the same behaviour is used to teach purification by recrystallisation.
Heating a small amount of the solid demonstrates the thermal decomposition of a nitrate, releasing oxygen that relights a glowing splint, and a flame test on the salt shows the lilac colour of potassium. Potassium nitrate is an oxidising agent, so keep it away from sulfur, charcoal, sugar and other combustible materials, and heat only small quantities in clean glassware.
Supplier
Jain Scientific Equipments Private Limited trades as ScienceLab and works as a laboratory chemicals supplier in India, sourcing Potassium Nitrate for schools, colleges and testing laboratories and sending it with its MSDS. Vendor registration details for buyers: Importer-Exporter Code AAECJ8618A (DGFT) and GSTIN 06AAECJ8618A1ZT. Background on the company is on the ScienceLab profile.
Related Laboratory Equipment
Items for solubility and crystallisation practicals with potassium nitrate:
- Potassium Nitrate 200 g — another listing of this salt in the same pack size.
- Laboratory Thermometer — records the temperature at which crystals first appear.
- Boiling Tube — holds the weighed salt and water while it is warmed and cooled.
- Basin Crystalising Without Spout — for growing and recovering recrystallised product.
- Sodium Nitrate — a related nitrate for comparing solubility and decomposition.
Explore the wider Laboratory Equipment range.
Frequently Asked Questions
What is Potassium Nitrate SCI-339/155 used for?
Potassium Nitrate SCI-339/155 is used for solubility-curve and recrystallisation practicals, thermal decomposition of nitrates, flame tests for potassium and general analytical work. Its solubility changes strongly with temperature, which makes results easy to see in a school laboratory.
What grade and quantity is Potassium Nitrate SCI-339/155?
Potassium Nitrate SCI-339/155 is analytical reagent grade and is supplied as a 200 g pack with an MSDS. A second listing, Potassium Nitrate 200 g, offers the same pack size under a different product code.
How should Potassium Nitrate be stored?
Keep Potassium Nitrate SCI-339/155 tightly closed in a cool, dry cabinet reserved for oxidising chemicals, away from sulfur, charcoal, powdered metals and organic materials. Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted.
Is Potassium Nitrate safe for student experiments?
Potassium Nitrate can be used by students under supervision when quantities are small and the MSDS precautions are followed. Because Potassium Nitrate is an oxidiser, heat it only in clean glassware, keep it away from fuels and wear safety goggles.
Who supplies Potassium Nitrate SCI-339/155?
Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India supplies Potassium Nitrate SCI-339/155 to schools, colleges, laboratories, dealers and importers in India and international markets. It is a sourced chemical, and thermometers and glassware for the same practical can be added to the quotation.
Can Potassium Nitrate be ordered in bulk for several schools?
Yes, Potassium Nitrate SCI-339/155 can be quoted in multiples of the 200 g pack for school groups, colleges or dealers. Share the total quantity and delivery locations on the contact page so ScienceLab can confirm availability and packing.
Request a Quote
Get a price for Potassium Nitrate (SCI-339/155) through the contact page, or add it to the enquiry cart with thermometers and boiling tubes for the solubility practical.
Last updated: 24 September 2026
