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Polysorbate 20 (commercially also known as Tween® 20) is a polysorbate surfactant whose stability and relative non-toxicity allows it to be used as a detergent and emulsifier in a number of domestic, scientific, and pharmacological applications. It is a polyoxyethylene derivative of sorbitan monolaurate, and is distinguished from the other members in the Tween range by the length of the polyoxyethylene chain. The commercial product contains a range of chemical species.
Additional recommended knowledge
Tween is used as a wetting agent in flavored mouth drops such as Ice Drops®, helping to provide the spreading feeling of the 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.
In the biological sciences, Tween 20 has a broad range of applications. For example, it is used:
Industrial and domestic applications
The Clorox-made cleaning solution used by the iRobot Scooba floor-washing robot lists Tween 20 as one of its major ingredients on its MSDS.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Polysorbate_20". A list of authors is available in Wikipedia.|