Polyhydroxystearic Acid (Cas 27924-99-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Polyhydroxystearic Acid (PHSA) (CAS 27924-99-8) is a non-ionic, biodegradable surfactant widely used in cosmetics, lubricants, and industrial formulations. Key parameters:
| Parameter | Value |
|---|---|
| Chemical Name | Polyhydroxystearic Acid |
| CAS Number | 27924-99-8 |
| Molecular Formula | C18H36O3 |
| Appearance | Pale yellow viscous liquid |
| Solubility | Soluble in oils, insoluble in water |
| pH Range | 5.0 – 7.0 (1% solution) |
| Melting Point | -10°C to 5°C |
| Storage | 2-8°C in airtight container |
Competitive Comparison
| Feature | PHSA | Traditional Stearic Acid | Synthetic Esters |
|---|---|---|---|
| Biodegradability | High | Moderate | Low |
| Emulsion Stability | Excellent | Good | Variable |
| Skin Compatibility | Non-irritating | May cause dryness | Risk of allergies |
2. Key Applications & Uses
Cosmetic Industry
- Emulsifier in creams/lotions
- UV stabilizer in sunscreens
- Texture modifier in makeup
Industrial Uses
- Lubricant additive
- Metalworking fluid component
- Polymer plasticizer
3. Usage Guidelines
Formulation Tips
- Optimal dosage: 0.5-5% by weight
- Combine with nonionic surfactants
- Heat to 40-50°C for homogeneous mixing
4. Implementation Case Studies
Case 1: Sustainable Sunscreen
A European brand achieved SPF 50+ protection with 30% reduced chemical filters using PHSA as a stabilizer.
Case 2: High-Temp Lubricant
Automotive manufacturer extended gearbox life by 22% through PHSA-enhanced formulations.
5. Client Success Stories
EcoBeauty Labs
“PHSA reduced our emulsion separation rate from 15% to 2% annually, saving $120K in quality costs.”
LubriTech Industries
“Achieved NSF H1 certification for food-grade lubricants using PHSA as primary emulsifier.”
6. Request Custom Formulation
Contact our technical team for application-specific solutions:
Email: info@vivalr.com
Tel: (86) 15866781826
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