Tween® 20

Type: Non-ionic detergent
Full Name: Polyethylene glycol sorbitan monolaurate
Form: 100% solution
Molecular Formula: C18H34O6•[C2H4O]w+x+y+z for w+x+y+z =20
Molecular Weight: ~1227 (for w+x+y+z =20)
Absorbance (215nm): 0.05 (0.05% w/v)
Critical micelle concentration (CMC): approx 0.06 x 10-3M
Cloud Point: 76ºC
The Proteomic Grade Solutions (DG011, DG012, DG511, DG519) have ultra low aldehyde (<100µM) and peroxide (<50µM) concentrations to reduce the effects of peroxidase and carbonyl compounds that negatively interact with membrane proteins.
Additional Images

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APPLICATIONS
- A commonly used non-ionic detergent for solubilizing membrane proteins during isolation of membrane-protein complexes.
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The Proteomic Grade Solutions (DG011, DG012, DG511, DG519) have ultra low aldehyde (<100µM) and peroxide (<50µM) concentrations to reduce the effects of peroxidase and carbonyl compounds that negatively interact with membrane proteins.