Comprehensive Guide to Sodium Iodide (CAS 7681-82-5)
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 7681-82-5 |
| Molecular Formula | NaI |
| Purity Grade | Industrial (99.5%), Pharmaceutical (99.9%) |
| Solubility | 1,840 g/L (20°C water) |
| Melting Point | 651°C |
Competitive Comparison
| Property | NaI | KI | CaI₂ |
|---|---|---|---|
| Iodine Content | 84.7% | 76.4% | 81.2% |
| Hygroscopicity | High | Moderate | Low |
2. Key Applications & Industrial Uses
- Pharmaceutical Manufacturing: Key intermediate in thyroid medications
- Radiation Detection: Scintillation crystals for gamma spectroscopy
- Organic Synthesis: Catalyst in Finkelstein reactions
3. Performance Comparison with Alternative Iodides
| Application | NaI Advantage | Limitation |
|---|---|---|
| Nuclear Medicine | Superior gamma ray absorption | Requires dry storage |
4. Operational Guidelines & Safety Protocols
- Storage: Maintain nitrogen atmosphere below 25°C
- Handling: Use dry glove boxes for pharmaceutical-grade material
5. Real-World Implementation Case Studies
Case 1: Medical Imaging Solutions Provider
- Client: European Diagnostic Imaging Consortium
- Application: CT contrast agent production
- Outcome: 22% improvement in image resolution
Case 2: Nuclear Research Facility
- Client: National Physics Laboratory (UK)
- Application: Radiation detection crystals
- Outcome: 99.95% detection efficiency achieved
6. Procurement Consultation & Technical Support
Contact our material science experts:
- Email: info@vivalr.com
- Phone: (86) 15866781826
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