Propyl Paraben Sodium (CAS 35285-69-9): Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
Propyl Paraben Sodium (CAS 35285-69-9) is a water-soluble preservative widely used in cosmetics, pharmaceuticals, and food industries. Key parameters:
| Parameter | Propyl Paraben Sodium | Methyl Paraben | Ethyl Paraben |
|---|---|---|---|
| Solubility (Water) | High | Moderate | Low |
| pH Stability | 3.0-8.0 | 4.0-7.5 | 4.5-7.0 |
| Recommended Concentration | 0.1%-0.3% | 0.2%-0.5% | 0.15%-0.4% |
2. Applications & Use Cases
Primary applications include:
- Cosmetic preservation in creams/lotions
- Pharmaceutical injectables stabilization
- Food packaging antimicrobial treatment
3. Industry-Specific Usage Scenarios
Cosmetic Manufacturing
Used in water-phase formulations at 0.2% concentration to prevent microbial growth while maintaining product clarity.
Pharmaceuticals
Employed in multi-dose vaccines at 0.1% w/v to meet USP <51> antimicrobial effectiveness testing requirements.
4. Client Success Stories
Case Study 1: EuroCosmetics Ltd.
Challenge: Microbial contamination in organic facial serums
Solution: 0.25% Propyl Paraben Sodium incorporation
Result: 18-month shelf life achievement with 99.9% microbial reduction
Case Study 2: AsiaPharma Solutions
Challenge: Preservative efficacy in high-pH antacid suspensions
Solution: 0.15% Propyl Paraben Sodium + 0.1% Potassium Sorbate combination
Result: Compliant with EP 10.0 preservation standards
5. Contact for Custom Solutions
Request formulation assistance or technical specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
Note: Custom concentration blends (0.05%-5.0%) available for bulk orders. Request SDS documentation and regulatory compliance certificates via email.
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