Polylysine CAS 25104-18-1

Chemical Name: POLYLYSINE
Assay: ≥95%
Appearance: White to creamy yellow powder
Capacity: 30tons/year
Packing: 25KG/drum
Sample: Available

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Polylysine CAS 25104-18-1: Comprehensive Guide

Table of Contents

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

  1. Dissolve in water (40-50°C) with stirring
  2. Add to product matrix during homogenization
  3. 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:

Technical consultation available M-F 9:00-17:00 GMT+8

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