中国品牌·金沙9001w(以诚为本)-最新GREENMAX

SZSE:002741
Chemical Reagents
Selenium powder COA Report
  • CAS No.:7782-49-2
  • Molecular weight:78.96
  • Aliases:Selenium powder 
  • Molecular formula:Se
  • EC No.:231-957-4
  • HS-No:28049000
Information
Specification category:
Product No. Product name specifications
1.07101.016 selenium powder AR 10g
Characteristic: Appearance and properties:Gray (dark red) powder or black glassy material.
Relative density (water=1):4.81
Melting point:217
Boiling point:685
Concentration:pure
Saturated vapor pressure:0.13(356℃)
Solubility:Insoluble in water, alcohol, dissolved in sulfuric acid, nitric acid, a base, carbon disulfide.
Other pHysical and chemical properties:50~60
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