Tween-80, Emulsifier T-80


Tween-80 is light yellow to amber oily viscose liquid, non-toxic. It is easily soluble in water, soluble in ethanol, vegetable oil, ethyl acetate, methanol, and insoluble in mineral oil. HLB value is 15.0. Tween 80 molecular weight is 428.6.

The Tween-80 is a nonionic surfactant and emulsifier. This synthetic compound is a viscous, water-soluble yellow liquid.

Tween-80 is derived from polyethoxylated sorbitan and oleic acid. The hydrophilic groups in this compound are polyethers also known as polyoxyethylene groups, which are polymers of ethylene oxide. In the nomenclature of polysorbates, the numeric designation following polysorbate refers to the lipophilic group, in this case, the oleic acid.

Tween 80 Solubility in Water

Tween 80 can be miscible with water in any ratio. This has nothing to do with the tipping point (commonly referred to as the cloud point in the surfactant industry).

The reason may be that when water is added to Tween 80 (or Tween 80 is added to water) too quickly or even all at once. This causes a local Tween 80 concentration to be too high. When the water is less than Tween 80, Tween 80 is the continuous phase and water is the dispersed phase, that is, water is dispersed in Tween 80. When the amount of water increases gradually, there is a phase inversion process. At this time, the viscosity will suddenly increase and form a gel, which is the phenomenon of most non-ionic surfactants.

Solution: Add Tween 80 to the water, add slowly, stirring while adding, and the water temperature is about 50 degrees.

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Molecular Formula:


Structure Formula:

tween-80 structure formula


Item Index
Appearance Amber to light yellow oily liquid
Acid value 2mgKOH/g Max.
Saponification value 45-55mgKOH/g
Hydroxyl value 65-80mgKOH/g
Water 3.0% Max.


Tween-80 is used as an emulsifier, wetting agent, penetrating agent, diffusant, etc.

Tween-80 is used as an emulsifier in foods.

For example, in ice cream, Tween-80 is added up to 0.5% (v/v) concentration to make the ice cream smoother and easier to handle, as well as increasing its resistance to melting. Adding this substance prevents milk proteins from completely coating the fat droplets. This allows them to join together in chains and nets, which hold air in the mixture, and provide a firmer texture that holds its shape as the ice cream melts.

This T-80 emulsifier is used as a wetting agent in flavored mouth drops such as Ice Drops, helping to provide a spreading feeling to other ingredients like SD alcohol and mint flavor.

The World Health Organization has suggested acceptable daily intake limits of 0–25 mg of polyoxyethylene sorbitan esters per kg body weight.

Tween-80 is also used as a surfactant in soaps and cosmetics (including eyedrops), or a solubilizer such as in a mouthwash. The cosmetic grade of polysorbate 80 may have more impurities than the food grade.

T-80 emulsifier is an excipient that is used to stabilize aqueous formulations of medications for parenteral administration, and used as an emulsifier in the making of the popular antiarrhythmic amiodarone. It is also used as an excipient in some European and Canadian influenza vaccines. Influenza vaccines contain 2.5 μg of Tween-80 per dose.

There is no difference between polysorbate 80 and tween 80.

Tween Emulsifier

Emulsifiers play an important role in the stability of emulsions. Tween emulsifier can reduce the free energy of the interface and form a firm emulsified film to form a stable emulsion.

The emulsifier is adsorbed on the surface of the droplet, which can effectively reduce the surface tension. The Tween emulsifier is oriented and arranged around the droplets to form a film, thereby reducing the oil-water interfacial tension. This can effectively prevent the accumulation of droplets. The more neat the emulsifier is arranged on the surface of the droplets, the firmer the emulsified film and the more stable the emulsion.

Tween emulsifier occupies a very important position in the food industry. It can improve food quality, prevent food deterioration, extend the shelf life of food, and improve the taste and appearance of food.


In 200KGs iron drum/plastic drum.

Tween 80 Storage:

Handle with care; Tween-80 should be stored in a cool, dry, and draughty place. The shelf life is 2 years. Then, Tween-80 can still be used if qualified after re-check.


Emulsifier T-80, Polysorbate 80, Poegasorb 80, Tween 80 chemical.


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You can find the difference between this product and Tween-20 — What Is the Difference between Tween-20 and Tween-80?