Germanium Dioxide, 1310-53-8

Germanium Oxide, Germanium Dioxide, 1310-53-8

🧪 Germanium(IV) Oxide (GeO₂)

Germanium(IV) oxide (CAS 1310-53-8), also known as Germanium dioxide, is a white crystalline inorganic compound. It is widely used in optics, electronics, glassmaking, ceramics, and catalysis, with particular importance in fiber optics and semiconductor applications.

1️⃣ Chemical Identity

• Chemical Name: Germanium(IV) Oxide

• Formula: GeO₂

• Molecular Weight: 104.64 g/mol

• CAS Number: 1310-53-8

• EC Number: 215-180-8

• Appearance: White crystalline powder

• Density: ~4.23 g/cm³

• Melting Point: ~1,110 °C

• Boiling Point: ~1,900 °C

• Solubility: Slightly soluble in water; soluble in acids

2️⃣ Physical & Chemical Properties

• Crystal Forms: Exists in rutile-type tetragonal and quartz-like hexagonal structures.

• Optical Properties: High refractive index; used in infrared optics.

• Electrical Properties: Exhibits semiconductor behavior.

• Chemical Reactivity: Reacts with acids to form germanium salts.

3️⃣ Applications

• Optics:

  • Essential in fiber optic cable production.

  • Used in infrared optical devices.

• Electronics:

  • Semiconductor material for advanced devices.

• Glass & Ceramics:

  • Additive to increase refractive index in specialty glasses.

• Catalysis:

  • Catalyst in organic reactions.

• Research:

  • Precursor for germanium compounds in material science.

4️⃣ Synonyms

• Germanium dioxide

• Germanium(IV) oxide

• GeO₂

5️⃣ Safety & Handling

• Toxicity: Low to moderate; fine powders may irritate eyes and respiratory tract.

• Precautions: Gloves, goggles, and dust masks recommended.

• Storage: Keep in dry, sealed containers; protect from moisture.

📌 Summary: Germanium(IV) Oxide (CAS 1310-53-8)