Table of Contents
- Product Overview & Specifications
- Key Applications & Industrial Uses
- Client Case Studies
- Contact for Technical Support
Sodium Prop-2-yne-1-sulfonate (CAS 55947-46-1): Product Overview
Basic Specifications
| Parameter | Details |
|---|---|
| CAS Number | 55947-46-1 |
| Molecular Formula | C₃H₃NaO₃S |
| Molecular Weight | 142.11 g/mol |
| Appearance | White crystalline powder |
| Solubility | Highly soluble in water, moderate in polar solvents |
| Storage Conditions | 2-8°C in airtight container |
Comparative Analysis
| Feature | Sodium Prop-2-yne-1-sulfonate | Sodium Propargyl Sulfonate | Sodium Allyl Sulfonate |
|---|---|---|---|
| Reactivity | High (acetylene group) | Moderate | Low |
| Thermal Stability | Stable up to 250°C | Degrades at 200°C | Stable up to 180°C |
| Typical Applications | Electroplating, polymer modification | Corrosion inhibition | Detergent formulations |
Industrial Applications & Functional Mechanisms
1. Electroplating Additives
Enhances zinc/nickel electrodeposition by 30-40% through sulfonate group adsorption, improving coating uniformity in automotive parts production.
2. Polymer Modification Agent
Introduces sulfonic acid groups into polyurethane/PVC chains (<500 ppm concentration) for flame-retardant cable coatings meeting IEC 60332-1 standards.
3. Pharmaceutical Intermediates
Serves as precursor in synthesis of tyrosine kinase inhibitors (e.g., Erlotinib analogs) via Huisgen cycloaddition reactions.
Verified Client Implementations
Case 1: Advanced PCB Manufacturing (Shenzhen Huaxing Tech)
Challenge: Inconsistent copper deposition (±15% thickness variation) in HDI circuits
Solution: 0.8 g/L additive in acid copper bath
Outcome: Thickness variation reduced to ±3%, productivity increased 22%
Case 2: High-Performance Elastomers (Dow Chemical Shanghai)
Challenge: Achieving UL94 V-0 rating in silicone rubber
Solution: 1.2% w/w incorporation during polymerization
Outcome: LOI improved from 24% to 31%, passed 15-second vertical burn test
Case 3: API Synthesis (WuXi AppTec)
Challenge: Low yield (48%) in click chemistry step
Solution: 2.5 eq sulfonate in DMF/H₂O system
Outcome: Yield increased to 83%, reduced catalyst loading by 40%
Technical Consultation & Sample Requests
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