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Potassium Iodine-Iodine Solution
Potassium Iodine-Iodine Solution (Product Code: SCL384/092) is an iodine solution containing potassium iodide, used to test for starch and to stain plant and animal cells in biology and chemistry teaching laboratories. It is supplied in a 250 ml bottle of analytical reagent grade with an MSDS for schools stocking an iodine solution for lab food tests. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Capacity | 250 ml |
| Grade | Analytical reagent |
| Documentation | Supplied with MSDS |
| 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 | SCL384/092 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Iodine Solution Used For?
The starch test is its most common use: a few drops on a food sample or starch suspension change from yellow-brown to blue-black when starch is present. Students use the same colour change to follow the digestion of starch by amylase over time, and to show that a green leaf kept in light has made starch once its chlorophyll has been removed with warm alcohol.
Under the microscope, the solution works as a simple stain: it colours starch grains in potato cells blue-black and makes the nuclei of onion epidermis cells easier to see, so it is a staple of any staining kit for the biology lab. Iodine marks skin, clothing and benches and irritates the eyes, so dispense it from a dropper bottle and wear goggles. Store it tightly closed in a brown bottle away from light, which slowly weakens it.
Supplier
Jain Scientific Equipments Private Limited, which trades as ScienceLab from Ambala, Haryana, sources Potassium Iodine-Iodine Solution and supplies it with the microscopes, slides and glassware used in biology practicals. Learn more about the company on our company profile page.
Related Laboratory Equipment
Starch tests and cell staining with Potassium Iodine-Iodine Solution go well with:
- Soluble Starch — a known starch sample for the positive control.
- Iodine (Crystals) — for labs that prepare their own iodine solutions.
- Dropper Bottle, Amber — shields the solution from light and dispenses drops.
- Biological Microscope — for viewing stained onion and potato cells.
- Petri Dish (Complete) — holds leaves or food samples during the test.
More biology and chemistry reagents are in our Laboratory Equipment category.
Frequently Asked Questions
What is Potassium Iodine-Iodine Solution used for?
Potassium Iodine-Iodine Solution (SCL384/092) is used to test for starch, which turns blue-black, and as a quick stain for plant and animal cells under the microscope. It also appears in leaf-starch and amylase digestion experiments in biology classes.
Is this an iodine–potassium iodide (Lugol’s-type) solution?
Potassium Iodine-Iodine Solution is an iodine solution containing potassium iodide, the type often called iodine–potassium iodide or Lugol’s-type solution. The listing does not state its strength, so contact us if your method needs a particular concentration.
What size bottle is Potassium Iodine-Iodine Solution?
Potassium Iodine-Iodine Solution is supplied in a 250 ml bottle of analytical reagent grade with an MSDS. Tell us how many bottles each lab needs; decanting small volumes into amber dropper bottles keeps the main stock fresher.
How should Potassium Iodine-Iodine Solution be stored?
Store Potassium Iodine-Iodine Solution tightly closed in a brown or amber bottle, in a cool cupboard away from direct light. Light and warmth slowly weaken iodine solutions, and an open bottle can stain nearby surfaces.
What is the shelf life of Potassium Iodine-Iodine Solution?
The shelf life of Potassium Iodine-Iodine Solution depends on the chemical, its grade and storage conditions, so we give no fixed period. Ask us for the expiry date of the batch you are quoted, and check its colour before each practical.
Who supplies Potassium Iodine-Iodine Solution?
Potassium Iodine-Iodine Solution is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India. The company sources biology reagents and supplies them with microscopes and glassware to schools, colleges, dealers and importers in India and international markets.
Request a Quote
Ask for a quotation on Potassium Iodine-Iodine Solution through the contact page, or add it to the enquiry cart with your dropper bottles and other food-test reagents. Give the number of bottles and the delivery location.
Last updated: 24 September 2026
