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| Product Name | Tween-20 (Polysorbate 20) Nonionic Surfactant |
| Catalog No. | RERE-0070 |
| Description | Polysorbate 20, a sorbitan-derived nonionic surfactant supplied as a clear yellow to amber viscous liquid. It is readily miscible with water and with alcohols, dioxane and ethyl acetate, works as an emulsifier for stable oil-in-water emulsions in pharmaceutical work, strips peripheral membrane proteins at 2%, serves as a 0.05% blocking agent in membrane-based immunoassays and lyses mammalian cells at 0.005-0.5%. |
| Intended Use | Emulsification, membrane-bound protein extraction, blocking in membrane-based immunoassays and mammalian cell lysis. |
| Detection Method | Nonionic surfactant activity |
| Performance Range / Specifications | Soluble in water at 50 mg/mL; density 1.095 g/mL (lit.) |
| Storage Conditions | Room temperature |
| Shelf Life | 2 years |
| Package Specifications | 500 mL |
| Product Form | Transparent yellow to amber viscous liquid |
| Molecular Weight | Approximately 1228 |
| Source / Origin | Polysorbate-type sorbitan ester |
| Shipping Conditions | Room temperature |
| Recommended Buffer System | Miscible with water, alcohols, dioxane and ethyl acetate |
For research use only, not for clinical use.
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