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Selenium

Inquiry
  Post Date: Jan 23,2015
  Expiry Date: Jan 23,2016
  Detailed Description: Cas No. :7782-49-2 Quantity: 500Kilograms
Specs:shot, pieces, powder
Price:210 USD Kilograms
Payment Method: T/T in advanced.
Selenium (Se)
1, Physical character:
Atomic Weight: 78.96
Electronegative: 2.55
Density: ρ=4.79 g•cm−3
Melting Point: 221 ℃
Boiling Point: 685 ℃
2, Specification:
High Purity Selenium:
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:
Lump, Powder ,Shot
4, Application:
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:
Vacuum packaging

  CAS Registry Number:

7782-49-2

  Synonyms: ;C.I. 77805;VANDEX;selenide;
  Molecular Formula: Se
  Molecular Weight: 78.96
  Molecular Structure: 7782-49-2 Selenium
  Hazard Symbols:  T:Toxic;
  Risk Codes: R23/25:;
R33:;
R53:;
  Safety Description: S20/21:;
S28A:;
S45:;
S61:;

  Company: Sichuan Xinlong Tellurium Industry & Technique Development Co.,Ltd.         
  Contact: Tom Chen
  Tel: 028-85880417
  Fax: 028-85745585
  Email: cyq@scasolar.com
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