Product name: Polysorbate 20
Synonym: Tween 20; Alkest TW 20; Sorbimacrogol laurate 300
CAS: 9005-64-5
Formula: C26H50O10
Molecular Weight: 522.7
Types : polysorbate 80; polysorbate 60
Solubility: soluble in water, methanol, ethanol, isopropanol; insoluble in minerals, mineral oil
Polysorbate 20 Specification
| Item | Polysorbate 20 | Polysorbate 40 | Polysorbate 60 | Polysorbate 80 |
| Appearance | Amber viscous liquid | Yellowish waxy solid | Yellowish waxy solid | Amber viscous oil |
| Hydroxyl value (mgKOH/g) | 90~110 | 85~100 | 80~105 | 65~82 |
| Saponification value (mgKOH/g) | 40~50 | 40~55 | 40~55 | 43~55 |
| Acid value (mgKOH/g) | ≤2.0 | ≤2.0 | ≤2.0 | ≤2.0 |
| Moisture | ≤3.0% | ≤3.0% | ≤3.0% | ≤3.0% |
| HLB value | 16.5 | 15.5 | 14.5 | 15.0 |
| Proportion | 1.08~1.13 | 1.05~1.10 | 1.05~1.10 | 1.06~1.09 |
Uses
Polysorbate 20 is an emulsifier in cosmetics and household products. It can improve the spreadability of products such as lotions, creams, and shampoos.
Polysorbate 60 is a softener, antistatic agent in the textile industry. It helps fiber to eliminate static electricity, improve its softness and give the fiber good dyeing performance. It is also an o/w type emulsifier, dispersant and stabilizer for the manufacture of food, medicine, cosmetics and water-based paints.
Polysorbate 80 has wide uses as oil field emulsifier, anti-wax agent, heavy oil wetting, resistance reducing agent, and near-well zone treatment agent. The main applications include synthetic fibers, photosensitive materials, fabrics, nylon and viscose cords.
