Tween 80 Emulsifier
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Chemical Name： Polysorbate 80 / Polyoxyethylene (20) Sorbitan Monooleate
Chemical Formula： C₆₄H₁₂₄O₂₆
CAS Number：9005-65-6
Molecular Weight: 1,310 g/mol
Physical & Chemical Properties
Property | Description |
Appearance (25℃) | Pale yellow to light amber viscous liquid |
Odor | Slight characteristic odor, non-irritating |
Surfactant Type | O/W(Oil-in-water) type nonionic surfactant |
HLB Value | 15.0 (Hydrophilic) |
pH (1% Solution) | 5.0-7.0 |
Specific Gravity (20℃) | 1.06-1.09 |
Moisture Content | ≤3.0% |
Fatty Acid Source | Derived from C18:1 oleic acid (vegetable oil) |
Technical Specifications
Parameter | Specification |
Acid Value (mgKOH/g) | ≤2.0 |
Saponification Value (mgKOH/g) | 43-55 |
Hydroxyl Value (mgKOH/g) | 65-82 |
Moisture (%) | ≤3.0 |
HLB Value | 15.0 |
Tween 80 (Polyoxyethylene (20) Sorbitan Monooleate) is a nonionic surfactant, readily dispersible in water, with excellent emulsifying, dispersing, solubilizing, and stabilizing properties. It is widely used in food, cosmetics, pharmaceuticals, oilfield additives, and wastewater treatment for improving texture, stability, and ingredient solubility.
Industrial emulsifiers are surface-active agents that enable the stable blending of two or more immiscible liquids—typically oil and water—by reducing the interfacial tension between them. They play a fundamental role across a broad range of industries, from coatings and paints to agrochemicals, lubricants, construction chemicals, personal care, and explosives.
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