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Sodium Chromate
Sodium Chromate (Product Code: SCI-611/266) is an analytical reagent grade sodium chromate (Na2CrO4) used to demonstrate the chromate–dichromate equilibrium and chromate precipitation reactions in college and senior school chemistry laboratories. Its high solubility in water makes concentrated yellow solutions easy to prepare, and it is packed as 100 g with an MSDS. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, a chemistry consumables supplier for teaching labs.
Specifications
| Parameter | Detail |
|---|---|
| Chemical | Sodium chromate, Na2CrO4 |
| Grade | Analytical reagent |
| Net weight | 100 g |
| Safety sheet | MSDS included |
| 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-611/266 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Sodium Chromate Used For?
The chromate–dichromate system is a favourite illustration of Le Chatelier's principle: adding dilute acid to yellow sodium chromate solution turns it orange as dichromate forms, and adding sodium hydroxide reverses the change. Students can repeat the shift several times in one test tube and link each colour to the direction in which the equilibrium has moved.
Sodium chromate solution also precipitates yellow barium chromate and yellow lead chromate, giving quick tests for these ions, and it is discussed as a corrosion inhibitor and oxidising agent in industrial chemistry lessons. It is hygroscopic, so reseal the pack promptly. As a chromium(VI) compound it is toxic, carcinogenic and an oxidiser: keep it away from combustibles, wear gloves and goggles, and collect all residues for hazardous-waste disposal.
Supplier
ScienceLab, the name under which Jain Scientific Equipments Private Limited of Ambala trades, supplies Sodium Chromate to chemistry departments, training colleges and laboratory dealers in India and international markets. Because the two chromate salts are close alternatives, buyers can ask for sodium and potassium chromate to be quoted side by side before deciding. The ScienceLab profile explains more about the company.
Related Laboratory Equipment
Reagents and apparatus for chromate–dichromate and precipitation experiments:
- Sodium Dichromate — the orange dichromate salt formed on acidification.
- Sodium Hydroxide — shifts the equilibrium back to yellow chromate.
- Barium Chloride — forms a yellow barium chromate precipitate.
- Potassium Chromate — the potassium salt, usually chosen as the Mohr titration indicator.
- Test Tube Racks — hold the tubes during the equilibrium demonstration.
Discover more items in Laboratory Equipment.
Frequently Asked Questions
How does Sodium Chromate show Le Chatelier's principle?
Sodium Chromate solution is yellow; adding dilute acid turns it orange as dichromate forms, and adding alkali turns it yellow again. Each colour change shows the chromate–dichromate equilibrium shifting in response to added hydrogen or hydroxide ions.
Should I choose Sodium Chromate or potassium chromate?
Sodium Chromate is more soluble and absorbs moisture more readily, which suits concentrated solutions and equilibrium demonstrations, while potassium chromate is usually chosen as the Mohr titration indicator. Both are chromium(VI) salts that need the same careful handling.
What does Sodium Chromate SCI-611/266 contain?
Sodium Chromate SCI-611/266 is a 100 g pack of analytical reagent grade sodium chromate with an MSDS. Acids, alkalis and glassware for the demonstrations are separate catalogue items that can be quoted together.
What safety precautions does Sodium Chromate need?
Sodium Chromate is a toxic, carcinogenic chromium(VI) compound and an oxidiser. Handle it with gloves and goggles under supervision, keep it away from flammable materials, avoid dust, and follow the disposal steps in the MSDS supplied with the pack.
How should Sodium Chromate be stored?
Keep Sodium Chromate tightly closed in a dry, locked cabinet, separate from reducing agents and combustibles, because it absorbs moisture and is a strong oxidiser. Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted.
Who supplies Sodium Chromate SCI-611/266?
Sodium Chromate SCI-611/266 is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, to colleges, schools, laboratory dealers and importers in India and international markets.
Request a Quote
Request a quotation for Sodium Chromate through the contact page, or add it to the enquiry cart with the dichromate, alkali and barium salt used in the same demonstrations.
Last updated: 24 September 2026
