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structure of 7782-49-2

Selenium(CAS 7782-49-2)

CAS No.: 7782-49-2 Brand: MolBest
M. Ft.: Se Cat. No: G7994874
M. Wt.: 78.96 MDL: MFCD00134090
Storage: Store in a cool,dry area. Use: For laboratory research use only
UN No.: UN 3440 6.1 /PG III
Purity Grade Package Stock Price Quantity
99%
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RG 5G In Stock 3 USD
99%
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RG 25G In Stock 11 USD
99%
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RG 100G In Stock 41 USD
99%
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RG 500G In Stock 125 USD
99%
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RG 2.5KG In Stock 601 USD
99.5%,-325 mesh,powder
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RG 25G In Stock 7 USD
99.5%,-325 mesh,powder
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RG 100G In Stock 18 USD
99.5%,-325 mesh,powder
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RG 500G In Stock 71 USD
99.5%,-325 mesh,powder
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RG 2.5KG In Stock 345 USD
99.5%,-325 mesh,powder
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RG 10KG In Stock 1207 USD
99.95%,1-6mm
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Extra Pure 25G In Stock 7 USD
99.95%,1-6mm
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Extra Pure 100G In Stock 22 USD
99.95%,1-6mm
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Extra Pure 500G In Stock 68 USD
99.95%,1-6mm
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Extra Pure 2.5KG In Stock 271 USD
99.95%,1-6mm
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Extra Pure 25KG In Stock 2603 USD
99.99%,blocky
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Extra Pure 5G In Stock 6 USD
99.99%,blocky
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Extra Pure 25G In Stock 12 USD
99.99%,blocky
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Extra Pure 100G In Stock 31 USD
99.99%,blocky
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Extra Pure 500G In Stock 106 USD
99.99%,blocky
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Extra Pure 2.5KG In Stock 448 USD
99.99%,blocky
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Extra Pure 10KG In Stock 1568 USD
99.99%,powder,100 mesh
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Extra Pure 25G In Stock 12 USD
99.99%,powder,100 mesh
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Extra Pure 100G In Stock 32 USD
99.99%,powder,100 mesh
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Extra Pure 500G In Stock 102 USD
99.99%,powder,100 mesh
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Extra Pure 2.5KG In Stock 475 USD
99.99%,powder,100 mesh
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Extra Pure 10KG In Stock 1804 USD
99.99%,powder,200 mesh
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Extra Pure 25G In Stock 11 USD
99.99%,powder,200 mesh
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Extra Pure 100G In Stock 31 USD
99.99%,powder,200 mesh
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Extra Pure 500G In Stock 101 USD
99.99%,powder,200 mesh
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Extra Pure 2.5KG In Stock 472 USD
99.99%,powder,200 mesh
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Extra Pure 10KG In Stock 1804 USD
99.999%, 2-6mm (0.08-0.2in), amorphous
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Ultra Pure 1G In Stock 7 USD
99.999%, 2-6mm (0.08-0.2in), amorphous
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Ultra Pure 5G In Stock 16 USD
99.999%, 2-6mm (0.08-0.2in), amorphous
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Ultra Pure 25G In Stock 61 USD
99.999%, 2-6mm (0.08-0.2in), amorphous
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Ultra Pure 100G In Stock 185 USD
99.999%, 2-6mm (0.08-0.2in), amorphous
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Ultra Pure 500G In Stock 833 USD
99.999%,-100mesh,powder
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Ultra Pure 5G In Stock 5 USD
99.999%,-100mesh,powder
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Ultra Pure 25G In Stock 19 USD
99.999%,-100mesh,powder
Documents:COASDS
Ultra Pure 100G In Stock 68 USD
99.999%,-100mesh,powder
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Ultra Pure 500G In Stock 195 USD
99.999%,-100mesh,powder
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Ultra Pure 2.5KG In Stock 879 USD
99.9999%,-80mesh,powder
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Ultra Pure 1G In Stock 6 USD
99.9999%,-80mesh,powder
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Ultra Pure 5G In Stock 22 USD
99.9999%,-80mesh,powder
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Ultra Pure 25G In Stock 75 USD
99.9999%,-80mesh,powder
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Ultra Pure 100G In Stock 249 USD
99.9999%,-80mesh,powder
Documents:COASDS
Ultra Pure 500G In Stock 1118 USD
99.9999%,blocky
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Ultra Pure 1G In Stock 4 USD
99.9999%,blocky
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Ultra Pure 5G In Stock 13 USD
99.9999%,blocky
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Ultra Pure 25G In Stock 54 USD
99.9999%,blocky
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Ultra Pure 100G In Stock 190 USD
99.9999%,blocky
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Ultra Pure 500G In Stock 854 USD
granular,99.9999%,1-6mm
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Ultra Pure 5G In Stock 6 USD
granular,99.9999%,1-6mm
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Ultra Pure 25G In Stock 21 USD
granular,99.9999%,1-6mm
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Ultra Pure 100G In Stock 81 USD
granular,99.9999%,1-6mm
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Ultra Pure 500G In Stock 317 USD
granular,99.9999%,1-6mm
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Ultra Pure 2.5KG In Stock 1253 USD
powder,99.999% (metals basis) ,-200mesh
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RG 5G In Stock 4 USD
powder,99.999% (metals basis) ,-200mesh
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RG 25G In Stock 13 USD
powder,99.999% (metals basis) ,-200mesh
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RG 100G In Stock 51 USD
powder,99.999% (metals basis) ,-200mesh
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RG 500G In Stock 150 USD
powder,99.999% (metals basis) ,-200mesh
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RG 2.5KG In Stock 721 USD
powder,99.999% (metals basis) ,200mesh
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Ultra Pure 5G In Stock 7 USD
powder,99.999% (metals basis) ,200mesh
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Ultra Pure 25G In Stock 14 USD
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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.

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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.

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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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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?
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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

Operate under the ISO 9001 system