1-(2-Hydroxy-3-sulfopropyl)-pyridinium Betaine CAS 3918-73-8: Comprehensive Product Guide
Table of Contents
- Product Overview
- Technical Specifications & Comparative Analysis
- Industrial Applications
- Usage Guidelines
- Client Success Stories (2 Detailed Cases)
- Contact for Technical Consultation
Product Overview
1-(2-Hydroxy-3-sulfopropyl)-pyridinium betaine (CAS 3918-73-8) is a zwitterionic surfactant with exceptional solubility characteristics. This high-purity specialty chemical is widely utilized in pharmaceutical intermediates and biomolecule stabilization applications.
Technical Specifications
| Parameter | Specification | Competitor A | Competitor B |
|---|---|---|---|
| Purity | ≥99.5% | 98.0-99.0% | 97.5-98.5% |
| Solubility (Water) | Fully miscible | Partial precipitation | Temperature-dependent |
| Storage Conditions | 2-8°C, inert atmosphere | Ambient temperature | 4-10°C |
Key Applications
- Pharmaceutical synthesis: Protein stabilization in biotherapeutic production
- Cosmetic formulations: Non-irritating surfactant for sensitive skin products
- Analytical chemistry: Mobile phase additive in HPLC separation
- Biomaterial engineering: Surface modification agent for medical devices
Optimal Usage Parameters
| Application | Concentration Range | Temperature | pH Range |
|---|---|---|---|
| Protein Stabilization | 0.1-0.5% w/v | 4-25°C | 6.8-7.4 |
| HPLC Additive | 5-15 mM | 30-40°C | 3.0-8.0 |
Documented Client Successes
Case 1: PharmaTech Inc. – Biotherapeutic Formulation
Challenge: 23% protein aggregation in monoclonal antibody solutions
Solution: 0.3% w/v CAS 3918-73-8 implementation
Result: Reduced aggregation to 4.7% with improved thermal stability (+8°C)
Case 2: BioCosmetics Ltd. – Hypoallergenic Cleanser
Challenge: Surfactant-induced dermatitis in 18% of users
Solution: Replacement with 1.2% CAS 3918-73-8 formulation
Result: 94% reduction in adverse reactions while maintaining cleaning efficacy
Technical Inquiry & Sample Requests
Contact our application specialists:
Email: info@vivalr.com
Phone: (86) 15866781826
Request product dossier containing:
– Full analytical reports
– Regulatory compliance documentation
– Custom formulation guidelines



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