What is Tween®? Otherwise known as polysorbates, tweens are typically used as a surfactant for dispersing hydrophobic particles in aqueous solutions, as well as a non-ionic detergent for selective protein extraction and isolation of nuclei from mammalian cells.

What type of surfactant is Tween 20?

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.

Is Tween 20 a non-ionic surfactant?

Tween 20, also referred to as poly(oxyethylene)n-sorbitan-monolaurate, is a non-ionic surfactant. It is mainly used in membrane research.