Comprehensive Guide to Tween 85 (CAS 9005-70-3): Applications, Case Studies & Supplier Insights
Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications of Tween 85
- 3. Performance Comparison with Other Surfactants
- 4. Practical Use Cases Across Industries
- 5. Verified Customer Success Stories
- 6. How to Source High-Quality Tween 85
1. Product Overview & Specifications
| Parameter | Tween 85 | Industry Standard |
|---|---|---|
| CAS Number | 9005-70-3 | Non-ionic surfactant |
| Chemical Name | Polyoxyethylene sorbitan trioleate | – |
| Molecular Formula | C60H114O26 | – |
| Appearance | Yellow viscous liquid | Clear to amber liquid |
| HLB Value | 11.0 | 10-12 (oil-in-water emulsions) |
| Solubility | Water, ethanol, oils | Varies by application |
2. Key Applications of Tween 85
Pharmaceutical Industry
• Vaccine adjuvant stabilization
• Oral suspension emulsifier
• Topical cream penetration enhancer
Cosmetic Formulations
• Essential oil solubilizer (up to 15% load capacity)
• Makeup remover emulsifier
• Anti-aging serum stabilizer
3. Performance Comparison
| Surfactant | HLB | Cloud Point | Viscosity |
|---|---|---|---|
| Tween 85 | 11.0 | >100°C | 400-600 cP |
| Tween 80 | 15.0 | 76°C | 300-500 cP |
| Span 85 | 1.8 | N/A | 800-1200 cP |
4. Industry-Specific Use Cases
Vaccine Production
Stabilizes antigen-adjuvant interfaces in COVID-19 vaccine formulations, maintaining particle size distribution below 200nm for 18 months at 2-8°C.
Industrial Lubricants
Enables 30% reduction in friction coefficients when used at 0.5-1.2% concentration in metalworking fluids.
5. Verified Customer Success Stories
PharmaHealth Solutions (Germany)
Challenge: Stabilize pediatric ibuprofen suspensions without alcohol.
Solution: 0.3% Tween 85 in phosphate buffer achieved 24-month shelf stability.
Result: 40% reduction in production costs vs. competitor surfactants.
EcoCrop Agrochemicals (Brazil)
Application: Herbicide emulsion for soybean crops
Formulation: 15% Tween 85 + 10% Span 85
Outcome: 92% weed control efficiency vs. 78% industry average
6. Contact for Technical Consultation
Email: info@vivalr.com
Phone: (86) 15866781826
Request: Provide your application details for formulation optimization advice.
Frequently Asked Questions
Q: How does Tween 85 compare to PEG-based surfactants?
A: Offers better oxidative stability in lipid systems (tested up to 60°C).
Q: Shelf life under different storage conditions?
A: 36 months at 15-25°C in sealed containers.



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