Tween 20 Polysorbate 20
At HLB 16.7, Tween 20 is the most water-loving polysorbate, which makes it the preferred solubiliser for clear beverages where even a faint haze is unacceptable.
Key Specifications
| CAS number | 9005-64-5 |
|---|---|
| E number | E432 |
| HLB | 16.7 |
| Saponification value | 40-50 mg KOH/g |
| Acid value | ≤ 2 mg KOH/g |
| Form | Liquid |
Highest HLB in the series
At HLB 16.7, Tween 20 is the most water-loving polysorbate, which makes it the preferred solubiliser for clear beverages where even a faint haze is unacceptable. Tween 80 is more lipophilic and better for emulsifying larger oil loads.
Cloud point and clarity
Tween 20 keeps systems clear across a wider temperature range than Tween 80 in dilute applications, which matters for beverages stored warm.
Typical Applications
- Clear functional beverages — 0.03-0.1 percent solubilises essential oils and vitamin blends without haze.
- Flavour concentrates — Used to build self-emulsifying flavour bases.
Frequently Asked Questions
Tween 20 or Tween 80 for a clear drink?
Tween 20 for clarity in dilute systems; Tween 80 when the oil load is higher and some turbidity is acceptable.
Is it heat stable?
Yes for normal beverage processing; avoid prolonged heating above 80 degrees C where ester hydrolysis can occur.
What dosage avoids off-taste?
Keep below about 0.15 percent; above that the surfactant note becomes perceptible in water-based drinks.
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