Agent Name
        Germanium dioxide
       
      
      
      
      
      
      
      
      
      
      
     
    
   
  Synonyms
  Germania; Germanic acid; Germanic oxide (crystalline); Germanium oxide; Germanium oxide (GeO2); [ChemIDplus] Germanium(IV) oxide; [Merck Index]
 
  Category
  Metalloid Compounds (Germanium)
 
  Description
  White solid; [Merck Index] White odorless powder; [MSDSonline]
 
  Sources/Uses
  Used in phosphors, transistors, diodes, infrared-transmitting glass, and electroplating; Used as the source of metallic germanium; [HSDB]
 
  Comments
  Effects in humans after ingestion include anorexia, nausea, and acute tubular necrosis; Oral LD50 (mouse) = 1300 mg/kg; Effects include somnolence, diarrhea, and acute pulmonary edema; [RTECS] An irritant; [MSDSonline] See "Germanium."
 
  Lethal Concentration
  LC50 (rat) > 1,420 mg/m3/4h
 
  Hepatotoxin
  Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
 
  Processes
  
    Industrial Processes with risk of exposure: