Polylysine CAS 25104-18-1: Comprehensive Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications & Industry Uses
- 3. Performance Comparison with Alternatives
- 4. Usage Guidelines & Best Practices
- 5. Real-World Case Studies
- 6. Contact for Technical Support
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 25104-18-1 |
| Molecular Formula | (C6H12N2O)n |
| Appearance | White to pale yellow powder |
| Purity | ≥95% |
| Solubility | Water-soluble (≥50 mg/mL) |
| Storage Conditions | 2-8°C in airtight container |
2. Key Applications & Industry Uses
2.1 Food Preservation
Effective against Gram-positive bacteria (e.g., Bacillus spp.) at 0.05-0.1% w/w in:
- Ready-to-eat meals
- Dairy products
- Meat processing
2.2 Cosmetic Formulations
Used as natural preservative in:
- Water-based creams (0.02-0.05%)
- Shampoos & conditioners
- Sunscreen products
3. Performance Comparison with Alternatives
| Preservative | MIC* (ppm) | pH Range | Heat Stability |
|---|---|---|---|
| Polylysine | 50-100 | 2.0-8.0 | Stable at 120°C/20min |
| Nisin | 100-200 | 3.0-5.5 | Degrades >80°C |
| Sodium Benzoate | 500-1000 | 2.5-4.5 | Stable ≤100°C |
*Minimum Inhibitory Concentration against S. aureus
4. Usage Guidelines & Best Practices
4.1 Food Industry Protocol
- Dissolve in water (40-50°C) with stirring
- Add to product matrix during homogenization
- Verify final pH (optimal: 4.0-7.5)
4.2 Compatibility Considerations
- Synergistic with organic acids (e.g., 0.02% polylysine + 0.1% citric acid)
- Avoid strong oxidizers and high salt concentrations (>15%)
5. Real-World Case Studies
5.1 Dairy Manufacturer (Shanghai, China)
- Challenge: Extend yogurt shelf-life from 14 to 30 days
- Solution: 0.08% polylysine + modified atmosphere packaging
- Result: 94% reduction in spoilage incidents
5.2 Cosmetic Brand (Seoul, South Korea)
- Challenge: Replace parabens in vegan skincare line
- Solution: 0.05% polylysine + rosemary extract
- Result: Achieved 24-month stability without synthetic preservatives
6. Contact for Technical Support
Request formulation assistance or bulk pricing:
- Email: info@vivalr.com
- Phone: (86) 15866781826
Technical consultation available M-F 9:00-17:00 GMT+8



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