Polysorbate 80 (Tween 80)
CAS Number: 9005-65-6
Polysorbate 80 is a hydrophilic nonionic emulsifier and solubilizer derived from polyethoxylated sorbitan and oleic acid. With a high HLB value of approximately 15, it is primarily used to form stable o/w emulsions and to solubilize oils and fragrances in aqueous systems. It is widely used in cosmetics, pharmaceuticals, and food as a safe and effective emulsifier.
Technical Specifications
| HLB value | ~15 |
| appearance | Amber to light yellow viscous liquid |
| hydroxyl value (mg KOH/g) | 65–80 |
| saponification value (mg KOH/g) | 45–55 |
Applications
- O/W emulsions in skin and hair care
- Fragrance solubilization in toners
- Pharmaceutical topical and oral products
- Food emulsification
- Vitamin solubilization in aqueous formulas
Key Features
- High HLB for strong o/w emulsification
- Effective solubilizer for oils and fragrances
- Widely approved in food, cosmetics, and pharma
- Compatible with ionic and nonionic surfactants
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CAS Number
9005-65-6
Category
Personal Care ChemicalsAvailability
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