Tween 20
Description
Tween 20, also known as Polysorbate 20, is a non-ionic detergent commonly used in molecular biology. When combined with a buffer like TBS, it makes an effective washing buffer for Western Blotting and ELISA. Tween 20 is also a popular choice for preparing solutions for microplate coating.
Tween 20 has a viscosity around 400 and is of Biotechnology Grade. Most buffer preparations call for Polysorbate 20 at 0.5% or less in the working concentration. bioWORLD’s line of TBST and PBST Buffers contain Tween 20 with Ultra Pure reagents for a number of antibody and cell lysis applications.
Properties
Shelf life
5 years
Storage Temperature
RT
ECCN #
EAR99
European Com.#
500-018-3
Hazmat Ship
Non-hazardous
Appearance color
Orange
Appearance form
Viscous liquid
Molecular Formula
C58H114O26
Molecular Weight
1227.53 g/mol
Density
1.11 g/mL at 20°C
Boiling point
100°C
Solubility (@ RT)
H2O: 100 mg/mL
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