Disodium 2-Naphthol-3,6-Disulfonate (CAS 135-51-3): Comprehensive User Guide
Table of Contents
1. Basic Information & Technical Specifications
Disodium 2-Naphthol-3,6-Disulfonate (CAS 135-51-3) is a sulfonated aromatic compound widely used as a key intermediate in dyes, pharmaceuticals, and chemical synthesis.
| Parameter | Specification | Competitor A | Competitor B |
|---|---|---|---|
| Purity | ≥98% | ≥95% | ≥97% |
| Solubility | Water-soluble | Partial solubility | Water-soluble |
| pH (1% solution) | 6.5-7.5 | 5.0-6.5 | 7.0-8.0 |
2. Applications & Industry Uses
Key Industries:
- Dye Manufacturing: Critical intermediate for acid dyes and reactive dyes.
- Pharmaceuticals: Used in synthesis of sulfa drugs and APIs.
- Research: Biochemical reagent for protein analysis.
3. Step-by-Step Usage Guidelines
Dye Synthesis Example:
- Dissolve 5g in 100ml deionized water at 40°C
- Adjust pH to 6.8 with sodium carbonate
- Add diazonium salt solution dropwise
- Stir for 2 hours at controlled temperature
4. Real Client Success Stories
Case 1: European Dyestuff Manufacturer
Challenge: Inconsistent color fastness in textile dyes
Solution: Implemented CAS 135-51-3 at 0.8% w/w
Result: 22% improvement in wash fastness ratings
Case 2: Asian Pharmaceutical Company
Challenge: Low yield in sulfonamide antibiotic production
Solution: Optimized reaction using purified CAS 135-51-3
Result: Yield increased from 68% to 83%
5. Request a Quote or Sample
Contact our technical team for formulation support or bulk pricing:
- Email: info@vivalr.com
- Tel: (86) 15866781826
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