Barium Carbonate for BaTiO3 Ceramics
CAS Number: 513-77-9
High-purity barium carbonate (BaCO3) is the primary barium source for synthesis of barium titanate (BaTiO3) and other barium-containing electronic ceramics, perovskite oxides, and specialty glasses. Stoichiometric control of the Ba/Ti ratio in BaTiO3 is critical for dielectric properties in multilayer ceramic capacitors (MLCC). BaCO3 decomposes at ~1000 °C to reactive BaO during sintering.
Technical Specifications
| appearance | White fine powder |
| purity (%) | ≥99.5 |
| BaCO3 content (%) | ≥99.5 |
| iron content (ppm) | ≤20 |
| D50 particle size (µm) | 0.5–2.5 |
Applications
- Primary barium source for BaTiO3 MLCC dielectric ceramics
- Raw material for barium ferrite permanent magnets
- Sintering aid and dopant in specialty electronic ceramics
- Glaze flux in specialty ceramic and glass formulations
- Component in ceramic varistor compositions
Key Features
- High purity ensures precise Ba/Ti stoichiometry in BaTiO3 synthesis
- Fine particle size accelerates solid-state reaction with TiO2
- Low iron and halide impurities for premium electronic ceramic quality
- Consistent decomposition behavior facilitates process control
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CAS Number
513-77-9
Category
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