Selenium(CAS 7782-49-2)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99% | RG | 5G | In Stock | 3 USD
|
|
| 99% | RG | 25G | In Stock | 11 USD
|
|
| 99% | RG | 100G | In Stock | 41 USD
|
|
| 99% | RG | 500G | In Stock | 125 USD
|
|
| 99% | RG | 2.5KG | In Stock | 601 USD
|
|
| 99.5%,-325 mesh,powder | RG | 25G | In Stock | 7 USD
|
|
| 99.5%,-325 mesh,powder | RG | 100G | In Stock | 18 USD
|
|
| 99.5%,-325 mesh,powder | RG | 500G | In Stock | 71 USD
|
|
| 99.5%,-325 mesh,powder | RG | 2.5KG | In Stock | 345 USD
|
|
| 99.5%,-325 mesh,powder | RG | 10KG | In Stock | 1207 USD
|
|
| 99.95%,1-6mm | Extra Pure | 25G | In Stock | 7 USD
|
|
| 99.95%,1-6mm | Extra Pure | 100G | In Stock | 22 USD
|
|
| 99.95%,1-6mm | Extra Pure | 500G | In Stock | 68 USD
|
|
| 99.95%,1-6mm | Extra Pure | 2.5KG | In Stock | 271 USD
|
|
| 99.95%,1-6mm | Extra Pure | 25KG | In Stock | 2603 USD
|
|
| 99.99%,blocky | Extra Pure | 5G | In Stock | 6 USD
|
|
| 99.99%,blocky | Extra Pure | 25G | In Stock | 12 USD
|
|
| 99.99%,blocky | Extra Pure | 100G | In Stock | 31 USD
|
|
| 99.99%,blocky | Extra Pure | 500G | In Stock | 106 USD
|
|
| 99.99%,blocky | Extra Pure | 2.5KG | In Stock | 448 USD
|
|
| 99.99%,blocky | Extra Pure | 10KG | In Stock | 1568 USD
|
|
| 99.99%,powder,100 mesh | Extra Pure | 25G | In Stock | 12 USD
|
|
| 99.99%,powder,100 mesh | Extra Pure | 100G | In Stock | 32 USD
|
|
| 99.99%,powder,100 mesh | Extra Pure | 500G | In Stock | 102 USD
|
|
| 99.99%,powder,100 mesh | Extra Pure | 2.5KG | In Stock | 475 USD
|
|
| 99.99%,powder,100 mesh | Extra Pure | 10KG | In Stock | 1804 USD
|
|
| 99.99%,powder,200 mesh | Extra Pure | 25G | In Stock | 11 USD
|
|
| 99.99%,powder,200 mesh | Extra Pure | 100G | In Stock | 31 USD
|
|
| 99.99%,powder,200 mesh | Extra Pure | 500G | In Stock | 101 USD
|
|
| 99.99%,powder,200 mesh | Extra Pure | 2.5KG | In Stock | 472 USD
|
|
| 99.99%,powder,200 mesh | Extra Pure | 10KG | In Stock | 1804 USD
|
|
| 99.999%, 2-6mm (0.08-0.2in), amorphous | Ultra Pure | 1G | In Stock | 7 USD
|
|
| 99.999%, 2-6mm (0.08-0.2in), amorphous | Ultra Pure | 5G | In Stock | 16 USD
|
|
| 99.999%, 2-6mm (0.08-0.2in), amorphous | Ultra Pure | 25G | In Stock | 61 USD
|
|
| 99.999%, 2-6mm (0.08-0.2in), amorphous | Ultra Pure | 100G | In Stock | 185 USD
|
|
| 99.999%, 2-6mm (0.08-0.2in), amorphous | Ultra Pure | 500G | In Stock | 833 USD
|
|
| 99.999%,-100mesh,powder | Ultra Pure | 5G | In Stock | 5 USD
|
|
| 99.999%,-100mesh,powder | Ultra Pure | 25G | In Stock | 19 USD
|
|
| 99.999%,-100mesh,powder | Ultra Pure | 100G | In Stock | 68 USD
|
|
| 99.999%,-100mesh,powder | Ultra Pure | 500G | In Stock | 195 USD
|
|
| 99.999%,-100mesh,powder | Ultra Pure | 2.5KG | In Stock | 879 USD
|
|
| 99.9999%,-80mesh,powder | Ultra Pure | 1G | In Stock | 6 USD
|
|
| 99.9999%,-80mesh,powder | Ultra Pure | 5G | In Stock | 22 USD
|
|
| 99.9999%,-80mesh,powder | Ultra Pure | 25G | In Stock | 75 USD
|
|
| 99.9999%,-80mesh,powder | Ultra Pure | 100G | In Stock | 249 USD
|
|
| 99.9999%,-80mesh,powder | Ultra Pure | 500G | In Stock | 1118 USD
|
|
| 99.9999%,blocky | Ultra Pure | 1G | In Stock | 4 USD
|
|
| 99.9999%,blocky | Ultra Pure | 5G | In Stock | 13 USD
|
|
| 99.9999%,blocky | Ultra Pure | 25G | In Stock | 54 USD
|
|
| 99.9999%,blocky | Ultra Pure | 100G | In Stock | 190 USD
|
|
| 99.9999%,blocky | Ultra Pure | 500G | In Stock | 854 USD
|
|
| granular,99.9999%,1-6mm | Ultra Pure | 5G | In Stock | 6 USD
|
|
| granular,99.9999%,1-6mm | Ultra Pure | 25G | In Stock | 21 USD
|
|
| granular,99.9999%,1-6mm | Ultra Pure | 100G | In Stock | 81 USD
|
|
| granular,99.9999%,1-6mm | Ultra Pure | 500G | In Stock | 317 USD
|
|
| granular,99.9999%,1-6mm | Ultra Pure | 2.5KG | In Stock | 1253 USD
|
|
| powder,99.999% (metals basis) ,-200mesh | RG | 5G | In Stock | 4 USD
|
|
| powder,99.999% (metals basis) ,-200mesh | RG | 25G | In Stock | 13 USD
|
|
| powder,99.999% (metals basis) ,-200mesh | RG | 100G | In Stock | 51 USD
|
|
| powder,99.999% (metals basis) ,-200mesh | RG | 500G | In Stock | 150 USD
|
|
| powder,99.999% (metals basis) ,-200mesh | RG | 2.5KG | In Stock | 721 USD
|
|
| powder,99.999% (metals basis) ,200mesh | Ultra Pure | 5G | In Stock | 7 USD
|
|
| powder,99.999% (metals basis) ,200mesh | Ultra Pure | 25G | In Stock | 14 USD
|
|
|
|||||
Available NMR Spectrum
Verified In Stock
Fast Shipping ISO 9001
Quality System
Applications of 7782-49-2
Selenium has diverse applications across various industries:
- Electronics: Used in the production of photovoltaic cells and rectifiers.
- Glass Manufacturing: Acts as a decolorizing agent and imparts color to glass products.
- Agriculture: Utilized as a nutritional supplement for livestock and poultry.
- Pharmaceuticals: Incorporated into formulations for its antifungal properties (e.g., selenium sulfide in anti-dandruff shampoos).
- Catalysis: Serves as a catalyst in
Physical and chemical properties of 7782-49-2
Boiling Point |
1265 °F |
|---|---|
carcinogen classification |
3 (Vol. 9, Sup 7) 1987 |
Decomposition |
When heated to decomp ... emits toxic fumes of /selenium/. |
Density |
4.28 |
Exact Mass |
79.916519 |
Melting Point |
392 °F |
Merck |
13,8505 |
Molecular Formula |
Se |
Molecular Weight |
78.960 |
resistivity |
1.2 μΩ-cm, 0°C |
Solubility |
Insoluble |
Stability |
Stable. Incompatible with strong acids, strong oxidizing agents and most common metals. Combustible. |
Storage condition |
no restrictions. |
Vapour Pressure |
0 mmHg (approx) |
Water Solubility |
Insoluble |
Q&A for CAS 7782-49-2
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 7782-49-2
Pictograms |
![]() ![]() |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H301+H331 Toxic if swallowed or if inhaled H301 Toxic if swallowed H331 Toxic if inhaled H373 May causes damage to organs through prolonged or repeated exposure H413 May cause long lasting harmful effects to aquatic life |
Safety Data Sheet |
Download COA of 7782-49-2
Operate under the ISO 9001 system

