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Potassium Dichromate
Potassium Dichromate (Product Code: SCI-485/207) is an analytical reagent grade oxidising agent used for redox titrations and for identifying alcohols and reducing agents in school, college and university chemistry laboratories. Teachers running volumetric analysis practicals order it as a 100 g pack supplied with its MSDS. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Grade | Analytical reagent |
| Pack size | 100 g |
| 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-485/207 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Potassium Dichromate Used For?
In volumetric analysis, potassium dichromate is a classic titrant for iron(II): a standard solution oxidises ferrous ammonium sulphate in dilute sulphuric acid, and a redox indicator such as diphenylamine marks the end point. Because the solid does not absorb moisture and gives a stable solution, teachers often prepare the standard by direct weighing — confirm the assay of your batch before relying on this.
Acidified potassium dichromate is also the reagent for classifying alcohols: primary and secondary alcohols turn the orange solution green as chromium(VI) is reduced to chromium(III), while tertiary alcohols leave it unchanged. The same colour change detects sulphur dioxide. It is toxic and carcinogenic, so use gloves, goggles and small volumes and collect chromium waste separately — precautions that belong in any titration kit prepared for students.
Supplier
Jain Scientific Equipments Private Limited, trading as ScienceLab, supplies Potassium Dichromate together with the burettes, conical flasks and partner reagents that redox titrations require. The Ambala, Haryana company works with schools, colleges, testing laboratories and dealers throughout India and international markets. Learn more on the ScienceLab profile page.
Related Laboratory Equipment
For dichromate titrations and alcohol tests, laboratories usually order these alongside Potassium Dichromate:
- Burette — delivers the dichromate solution drop by drop to the end point.
- Ferrous Ammonium sulphate — the iron(II) salt titrated against dichromate.
- Sulphuric Acid Dilute — acidifies both the titration mixture and the alcohol test.
- Conical Flask — holds the sample while it is titrated and swirled.
- Ethanol (ethyl alcohol) — a primary alcohol for demonstrating the orange-to-green change.
Find further reagents and glassware in our Laboratory Equipment category.
Frequently Asked Questions
Why is Potassium Dichromate used in redox titrations?
Potassium Dichromate is used in redox titrations because it is a strong, predictable oxidising agent whose solid is not hygroscopic, so standard solutions can be made accurately and remain stable. It is commonly titrated against iron(II) salts such as ferrous ammonium sulphate in dilute sulphuric acid.
How does Potassium Dichromate test for alcohols?
Warmed with a primary or secondary alcohol in dilute sulphuric acid, orange Potassium Dichromate solution turns green as the chromium is reduced. Tertiary alcohols leave the colour unchanged, so the test helps students classify alcohols during organic chemistry practicals.
What pack size and grade is Potassium Dichromate supplied in?
Potassium Dichromate (SCI-485/207) is supplied as a 100 g pack of analytical reagent grade, with the MSDS included. For titration classes with many student groups, specify the number of packs and we will quote the complete quantity.
What precautions are needed when handling Potassium Dichromate?
Potassium Dichromate is toxic, a skin sensitiser and carcinogenic, so handle it with chemical-resistant gloves, goggles and a lab coat, avoid raising dust and never pipette its solutions by mouth. Collect all chromium-containing waste separately for disposal as advised in the MSDS.
What is the shelf life of Potassium Dichromate?
The shelf life of Potassium Dichromate depends on the chemical, its grade and storage conditions, so we do not publish a fixed period. Ask us for the expiry date of the batch you are quoted, and store the pack closed in a dry oxidiser cabinet.
Can a certificate of analysis be requested for Potassium Dichromate?
If your titration work needs a documented assay for Potassium Dichromate, ask whether a certificate of analysis is available for the specific batch when you enquire through our contact page. We will tell you which documents can accompany the order besides the MSDS.
Is Potassium Dichromate made by ScienceLab?
No. Potassium Dichromate is a chemical that Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, supplies rather than produces. The company sources analytical reagents and dispatches them together with laboratory equipment to buyers in India and international markets.
Request a Quote
Ask for a Potassium Dichromate quotation by listing the number of 100 g packs and any titration glassware or partner reagents on our contact page. Alternatively, build the full list in the enquiry cart and submit it in one step.
Last updated: 24 September 2026
