Tween-20, Polysorbate 20 Emulsifier


Tween 20 is a polysorbate and nonionic surfactant sold under the heritage brand of Tween. The Emulsifier is named after the number of repeat polyethylene glycol units in the molecule.

Polysorbate 20 (common commercial brand names include Scattics, Alkest TW 20, and Tween 20) is a polysorbate-type nonionic surfactant formed by the ethoxylation of sorbitan before the addition of lauric acid. Its stability and relative nontoxicity allow it to be used as a detergent and Emulsifier in several domestic, scientific, and pharmacological applications.

Tween-20 is also called Polysorbate 20. This Emulsifier is an amber oily liquid. It is soluble in water, methanol, ethanol, isopropanol, propylene glycol, ethylene glycol, cottonseed oil, etc. HLB value is 16.7.

CAS No.:


Molecular Formula:


Structure Formula:

Tween-20 structure formula


AppearanceAmber oily liquid
Acid value2mgKOH/g Max.
Saponification value40-55mgKOH/g
Hydroxyl value90-110mgKOH/g
Water3.0% Max.


Polysorbate-20 has many applications, such as food, biotechnical, pharmaceutical, and industrial and domestic applications.

Tween-20 is an oil-in-water emulsifier.  Polysorbate-20 can be used as a solvent, diffusant, stabilizer, lubricant, antistatic agent, etc.


In 200kg iron drum/plastic drum.

metal drum 200l plastic drum

Handle with care. Tween-20 should be stored in a cool, dry, and draughty place. Shelf life is two years. Tween-20 can still be used if qualified after re-check.


Emulsifier T-20, Polyoxyethylene 20 Sorbitan Monolaurate


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