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99.99% Selenium (Se) powder/granule
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| Post Date: | Apr 15,2020 |
| Expiry Date: | Apr 15,2021 |
| Detailed Description: |
Cas No. :7782-49-2
Quantity: 10Metric Tons Specs:99.99%-99.9999% Price:200-500 USD Kilograms Payment Method: T/T Selenium (Se) 1, Physical character: Atomic Weight: 78.96 Electronegative: 2.55 Density: ρ=4.81 g•cm−3 Melting Point: 221 ℃ Boiling Point: 685 ℃ 2, Specification: High Purity Selenium: Se-04 Grade 99.99. The content of Selenium is above 99.99%. The total content of Ag, Al, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow 100 ppm; Se-05 Grade 99.999. The content of Selenium is above 99.999%. The total content of Ag, Al, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow 10 ppm; Uitra Purity Selenium: Se-06 Grade 99.9999. The content of Selenium is above 99.9999%. The total content of Ag, Al, Bi, Cd, Cu, Fe, In, Mg, Ni, Pb, Sb, Te is bellow 1 ppm. 3, Physical Size: Granule, Powder. 4, Usage: It is mainly used in the preparation of the material of the selenium drum, photoelectric material, electrostatic photogragh and other materials of optical instrument. 5, Packing: It is packed with dacron film, then covered with a sealed plastic film bag or vacuum sealed in a polyethylene bottle. |
| CAS Registry Number: | 7782-49-2 |
| Synonyms: | ;C.I. 77805;VANDEX;selenide; |
| Molecular Formula: | Se |
| Molecular Weight: | 78.96 |
| Molecular Structure: | 
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| Hazard Symbols: |  T:Toxic; |
| Risk Codes: | R23/25:; R33:; R53:; |
| Safety Description: | S20/21:; S28A:; S45:; S61:; |
| Company: | Sichuan Apollo Solar Science & Technology Co., Ltd [ China ] |
| Contact: | liyan |
| Tel: | 86-28-85745581 |
| Fax: | 86-28-85745585 |
| Email: | yan_li@scasolar.com |
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