Selenium

• 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:

  

• 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