TWEEN® 20
ROCHE/11332465001 - non-ionic, aqueous solution, 10% (w/v)
Synonym: TWEEN 20; Tween; Tween 20
Product Type: Chemical
| absorption | = 0.025 at 254 nm at 0.05 % (w/v) |
| CMC | ~0.06 mM |
| description | Formula: C58H114O26, for n = 20 |
| form | solution |
| manufacturer/tradename | Roche |
| mol wt | Mr 1228 (for n= 20) |
| packaging | pkg of 5 × 10 mL |
| shipped in | wet ice |
| storage temp. | 2-8°C |
| technique(s) | cell culture | plant: suitable |
| microbiological culture: suitable |
| Application: | Tween 20 is used for: • solubilizing membrane proteins during isolation of membrane-protein complexes. • a subsequent protein detection by UV light absorption, due to its low UV absorbance. • ELISA (enzyme-linked immunosorbent assay) and immunoblots. |
| General description: | Tween 20, also referred to as poly(oxyethylene)n-sorbitan-monolaurate, is a non-ionic surfactant. It is mainly used in membrane research. |
| Legal Information: | TWEEN is a registered trademark of Croda International PLC |
| Other Notes: | For life science research only. Not for use in diagnostic procedures. |
| Physical form: | 10% (w/v) aqueous solution under nitrogen, supplied in injection glass bottles. |
| Preparation Note: | Working concentration: >10 mg/mg membrane lipid |
| Quality: | Purity: <2 ppm peroxide content (as H2O2), <200 μM carbonyls, <100 μS conductivity. Specially purified for membrane research. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | No data available |
| Flash Point(C) | No data available |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352200 |