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Polysorbate 20
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.[1] Additional recommended knowledge
Food applicationsTween 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.[2] Biological applicationsIn the biological sciences, Tween 20 has a broad range of applications. For example, it is used:
Pharmaceutical applicationsTween is used as in pharmaceutical applications to stabilize emulsions and suspensions. Industrial and domestic applicationsThe Clorox-made cleaning solution used by the iRobot Scooba floor-washing robot lists Tween 20 as one of its major ingredients on its MSDS. DataTween 20's cmc is 8.04×10-5 M at 21°C.[3] References
See also
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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. |