Rubidium Carbonate (CAS 584-09-8) Technical Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Rubidium Carbonate | Rubidium Hydroxide | Rubidium Chloride |
|---|---|---|---|
| CAS Number | 584-09-8 | 1310-82-3 | 7791-11-9 |
| Molecular Formula | Rb2CO3 | RbOH | RbCl |
| Purity | ≥99.5% | ≥99% | ≥99.9% |
| Melting Point | 837°C | 301°C | 718°C |
| Water Solubility | 4500 g/L | 1800 g/L | 910 g/L |
Key Impurity Limits: Li ≤0.001%, Na ≤0.01%, K ≤0.2%, Cs ≤0.2%
2. Key Applications & Industrial Uses
Core Applications:
- Specialty Glass Production: Enhances thermal stability and alkali resistance in optical/ceramic glass.
- Catalytic Systems: Accelerates organic synthesis reactions in pharmaceutical intermediates.
- Precursor for Rb Compounds: Primary material for synthesizing RbNO3, Rb2SO4, and metallic Rb.
- Energy Storage: Electrolyte additive in high-performance lithium-ion batteries.
3. Operational Guidelines & Best Practices
Storage Protocols:
- Maintain in airtight containers with desiccants at 15-25°C
- Relative humidity: <40%
Safety Compliance:
- Personal Protective Equipment (PPE): Nitrile gloves, ANSI Z87.1 goggles
- Ventilation: Local exhaust required for powder handling
4. Industry-Specific Use Cases
Case 1: High-Refractive Index Glass
Formula: Rb2CO3 (2.5 wt%) + SiO2 + B2O3
Outcome: Achieved refractive index of 1.65 with 98% UV blocking efficiency.
Case 2: Cross-Coupling Catalysis
Reaction: Suzuki-Miyaura coupling with 0.5 mol% Rb2CO3
Yield Improvement: 82% → 94% (vs. K2CO3 baseline)
5. Client Success Stories
Advanced Glass Technologies (Germany)
Application: Night vision device optics
Result: 22% reduction in chromatic aberration
Chemical Catalyst Solutions (USA)
Application: API synthesis for anticoagulants
Result: 18% faster reaction kinetics
High-Purity Materials Inc. (Japan)
Application: Single crystal growth for semiconductor substrates
Result: 99.999% purity achieved



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