Sorbitan Sesquioleate (CAS 8007-43-0) Comprehensive Guide 2025
Table of Contents
- Product Overview & Specifications
- Key Applications & Industrial Uses
- Application Case Studies
- Verified Client Implementations
- Technical Consultation & Bulk Ordering
Product Overview & Specifications
| Parameter | Sorbitan Sesquioleate | Span 80 | Span 85 |
|---|---|---|---|
| CAS Number | 8007-43-0 | 1338-43-8 | 26266-57-9 |
| HLB Value | 3.7 | 4.3 | 1.8 |
| Viscosity @25°C | 1000-1500 mPa·s | 1000-1200 mPa·s | 800-1000 mPa·s |
| Recommended Applications | W/O emulsions, lubricants | Cosmetic bases | Industrial coatings |
Key Applications & Industrial Uses
Primary Functional Roles:
- Cosmetic Formulations: Non-ionic surfactant in W/O creams (3-8% concentration range)
- Pharmaceuticals: Solubilizer for fat-soluble vitamins (compatible with USP/EP standards)
- Food Additives: Emulsifier in baking releases (E494 approval)
- Industrial Lubricants: Additive in metalworking fluids (0.5-2% load)
Application Case Studies
Case 1: Cosmetic Emulsion Stabilization
A European manufacturer achieved 18-month stability in SPF 50+ sunscreen by combining 5% Sorbitan Sesquioleate with cetearyl alcohol (3:1 ratio), reducing phase separation incidents by 92%.
Case 2: Pharmaceutical Ointment Base
Japanese pharma company improved API dispersion in hydrophobic ointments using 7% Sorbitan Sesquioleate, enhancing drug release rate by 40% compared to PEG-based alternatives.
Verified Client Implementations
Client 1: Cosmetic Innovations Inc. (USA)
- Application: Anti-aging cream emulsion system
- Usage Level: 4.2% w/w
- Result: Achieved 24-month shelf stability with viscosity maintained at 12,000±500 cP
Client 2: PharmaHealth Solutions (Germany)
- Application: Topical analgesic cream
- Formulation: 6% Sorbitan Sesquioleate + 10% mineral oil
- Outcome: Increased skin permeation rate by 35% vs. previous formula
Technical Consultation & Bulk Ordering
Our technical team provides formulation support for:
- HLB system optimization
- Regulatory compliance analysis (REACH, FDA 21 CFR)
- Customized sampling programs
Contact our specialists for technical datasheets and pricing:
Email: info@vivalr.com
Tel: (86) 15866781826



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