Disodium 2-Naphthol-3,7-Disulfonate (CAS 83949-45-5): Technical Overview and Applications
Table of Contents
1. Chemical Identification & Properties
| Parameter | Value |
|---|---|
| CAS Number | 83949-45-5 |
| Molecular Formula | C10H6Na2O7S2 |
| Molecular Weight | 348.26 g/mol |
| Appearance | Pale yellow crystalline powder |
| LogP | 2.52 |
| PSA | 151.39 Ų |
2. Industrial Applications
This sodium sulfonate derivative serves as a critical intermediate in:
- Dye Manufacturing: Key precursor for synthesizing acid dyes and reactive dyes
- Analytical Chemistry: Chelating agent for metal ion detection
- Specialty Chemicals: Building block for functional surfactants
3. Key Specifications
| Grade | Purity | Packaging |
|---|---|---|
| Technical Grade | ≥95% | 25 kg fiber drums |
| Analytical Grade | ≥98% | 1 kg PE bottles |
4. Commercial Availability
Available through specialized chemical distributors with the following specifications:
- Minimum order quantity: 25 kg
- Custom synthesis available for bulk orders (>500 kg)
- HTS Code: 2908.99.9090
5. Supplier Information
Certified Manufacturer:
Wuhan Shuiyixing Pharmaceutical & Chemical Co., Ltd.
Tel: +86 157-9549-3469
WeChat: 15795493469
Email: info@vivalr.com
*Product quality certified with COA and MSDS documentation
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