PRODUCT DATA SHEET (TDS)

1. Product Identification

ItemDetails
Product NameGermanium Dioxide (GeO₂)
Chemical FormulaGeO₂
Molecular Weight104.59 g/mol
CAS No.1310-53-8
AppearanceWhite crystalline powder

2. Typical Specifications (5N Grade)

Analysis ItemUnitSpecification
Purity (GeO₂)%≥ 99.999
Gravimetric Assay (Ge)%69.4
Total Metal Impurities%< 0.001
Iron (Fe)ppm≤ 1.0
Copper (Cu)ppm≤ 0.2
Nickel (Ni)ppm≤ 0.2
Lead (Pb)ppm≤ 0.1
Cobalt (Co)ppm≤ 0.2
Aluminum (Al)ppm≤ 1.0
Arsenic (As)ppm≤ 0.5
Chloride (Cl)%≤ 0.05
Particle Size–95% ≥ 200 mesh

3. Physical & Chemical Properties

ItemDetails
Melting Point~1081–1091 °C
Density (20 °C)6.239 g/cm³
SolubilityInsoluble in water
OdorOdorless
StabilityStable under normal conditions; non-flammable, no explosion hazard

4. Applications

  • Primary catalyst solution component for polyester synthesis (PET production)
  • Used in the manufacturing of optical fibers, infrared optics, and semiconductor materials
  • Applied in the production of specialty glass and high-performance electronic components

5. Packaging

  • Packaging Type: 5 kg / 10 kg per bottle; two bottles per carton
  • Handling Notes: Keep containers tightly sealed; avoid moisture and contamination

6. Storage

  • Store in a cool, dry, and well-ventilated area
  • Keep away from acids and incompatible materials
  • Shelf Life: 24 months under proper storage conditions

7. Safety & Handling

  • Hazard Classification: Low hazard; mild irritant to skin, eyes, and respiratory tract
  • Recommended PPE: Safety goggles, gloves, and dust masks when handling
  • Use in well-ventilated areas to avoid dust inhalation
  • For complete safety instructions, refer to the product SDS (Safety Data Sheet)

8. Test Methods

  • Purity/Impurities: ICP-MS / ICP-OES
  • Gravimetric Assay: Gravimetric analysis
  • Particle Size: Sieve analysis
  • Appearance: Visual inspection
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