Tween 20

Polysorbat-20, tween_20

CAS Number 9005-64-5
Molecular Formula C26H50O10
Molecular Weight 522.676 g/mol
InChI Key HMFKFHLTUCJZJO-UHFFFAOYSA-N
LogP 2.5
Synonyms
  • Polysorbate 20
  • POLYOXYETHYLENE SORBITAN MONOLAURATE
  • Polyoxyethylene (20) sorbitan monolaurate
  • Polysorbate (INN)
  • 2-[2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy]ethyl dodecanoate
  • 2-{2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy}ethyl dodecanoate
  • Alkest TW 20
  • Polysorbate 20 (NF)

Applications:

HPLC Analysis of Polysorbate in Mixture with Amino Acids and Sugar


Polysorbates are a class of emulsifiers used in some pharmaceuticals and food preparation. They are often used in cosmetics to solubilize essential oils into water-based products. Polysorbates are oily liquids derived from PEG-ylated sorbitan (a derivative of sorbitol) esterified with fatty acids. Surfactants that are esters of plain (non-PEG-ylated) sorbitan with fatty acids are usually referred to by the name Span. It is often required to quantitate Polysorbate (Polysorbate/Tween 20, Polysorbate/Tween 40, Polysorbate 60/Tween 60 and Polysorbate 80) by HPLC in various formulations. Polysorbates exist in form of oligomers.
Application Analytes:

Amino Acids
Glycine
Histidine
Polysorbate
Polysorbate 20
Polysorbate 80
Sucrose
Tween 20
Tween 80