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Tween® 20

pure
(Polysorbate 20, Polyoxyethylene sorbitan monolaureate, n ca. 20)
Mr ca. 1200 • CAS [9005-64-5]

Ph. Eur., USP. HLB 16.7. Non-ionic surfactant that effectively suppresses unspecific reactions between antibodies, antigens and other molecules (1, 2). Also used as a solubilizer in membrane chemistry (3) and for density centrifugation of viruses (4).

Free dioxan
Free ethylene oxide
Heavy metals (Ph. Eur.)
Non animal origin
max. 10 ppm
max. 1 ppm
max. 10 ppm
® Registered trademark of ICI, Ltd.


References:
  1. Thean, E.T. & Toh, B.H. (1989) Anal. Biochem. 177, 256-8
  2. Tovey, E.R. et al. (1989) Electrophoresis 10, 243-9
  3. Lund, S. et al. (1989) J. Biol. Chem. 264, 4907-15
  4. Boeye, A. & DeRees, A. (1989) Arch. Virol. 107, 77-84

EINECS: 500-018-3 • WGK: 1L • HS: 34021300
Storage Temperature: +15 °C to +30 °C


Cat.No. Size EUR
37470.01 500 g inquire*  
37470.02 5 kg inquire*  
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Thursday, May 17, 2012

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