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Ammonium Dichromate
Ammonium Dichromate (Product Code: SCI-483/206) is an analytical reagent grade orange oxidising salt used for teacher-led thermal decomposition demonstrations and redox chemistry in college and senior school chemistry laboratories. It is packed as 200 g with its MSDS, the largest pack among the three dichromate salts in this reagent range. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, to school chemistry lab stores that keep a controlled stock of oxidisers.
Specifications
| Parameter | Detail |
|---|---|
| Grade | Analytical reagent |
| Pack size | 200 g |
| Safety documentation | MSDS supplied |
| 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-483/206 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Ammonium Dichromate Used For?
Ammonium dichromate is best known for the “volcano” demonstration: when a small heap is ignited, it decomposes with sparks into a fluffy green mound of chromium(III) oxide while releasing nitrogen and steam. One short experiment shows an exothermic decomposition, a colour change from orange to green and a dramatic increase in the apparent volume of the solid.
Because it is a hexavalent chromium compound — toxic, carcinogenic and a strong oxidiser — many schools now restrict the demonstration to teachers working inside a fume cupboard, or show it on video instead. Wear chemical-resistant gloves and goggles, keep the salt away from combustible materials and reducing agents, and collect chromium residues for hazardous-waste disposal rather than washing them down the sink.
Supplier
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, Ambala, Haryana, which supplies Ammonium Dichromate for demonstration and teaching use along with fume cupboards, protective wear and spill equipment. Laboratories, colleges and distributors in India and international markets can source an entire oxidiser store through one enquiry. Company details are on the ScienceLab profile page.
Related Laboratory Equipment
A safe Ammonium Dichromate demonstration relies on the following equipment and related reagents:
- Fume Cupboard, Ductless, Polypropylene — an enclosure for carrying out the decomposition.
- Gloves, Chemical Resistant — hand protection while handling chromium salts.
- Safety Goggles — shields the eyes from sparks and fine dust.
- Porcelain Dish (China Dish) — a heat-resistant base for a small-scale decomposition.
- Potassium Dichromate — the dichromate usually chosen for titrations and alcohol tests.
Explore other reagents and apparatus in the Laboratory Equipment category.
Frequently Asked Questions
What happens when Ammonium Dichromate is heated?
When Ammonium Dichromate is heated or ignited it decomposes with glowing sparks into green chromium(III) oxide, nitrogen gas and water vapour. The orange-to-green change and the swelling of the solid make it a memorable demonstration of an exothermic decomposition.
Is Ammonium Dichromate safe for student practicals?
Ammonium Dichromate is toxic, carcinogenic and a strong oxidiser, so it is generally unsuitable for hands-on student work. Where it is used, a trained teacher should demonstrate it in a fume cupboard with gloves and goggles, following the MSDS and local chemical safety rules.
How much Ammonium Dichromate comes in one pack?
Each pack of Ammonium Dichromate (SCI-483/206) holds 200 g of analytical reagent grade salt and is supplied with its MSDS. A demonstration uses only a small heap, so tell us how many packs your chemical store needs for the teaching year.
How should Ammonium Dichromate be stored and disposed of?
Store Ammonium Dichromate tightly closed in a cool, dry, locked oxidiser cabinet away from organic matter, fuels and reducing agents. Collect the green residue and any spilt material as chromium-containing hazardous waste and follow your local disposal rules instead of rinsing it into drains.
What is the shelf life of Ammonium Dichromate?
Shelf life depends on the chemical, its grade and storage conditions, so a single figure is not quoted for Ammonium Dichromate. Ask us for the expiry date of the batch you are quoted, and inspect the pack for caking or contamination before each use.
Who supplies the Ammonium Dichromate sold on this website?
Ammonium Dichromate on this website is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India. The company sources analytical reagents for school, college and research laboratories and for dealers in India and international markets.
Request a Quote
Request pricing for Ammonium Dichromate by sending the number of 200 g packs and your delivery address through our contact page, or add it to the enquiry cart with the goggles, gloves and fume cupboard you need for the demonstration. Because it is an oxidiser, we will confirm how it can be packed alongside the rest of your order.
Last updated: 24 September 2026
