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  • SRE0031 - Tris Buffered Saline, with Tween® 20, pH 7.5

SRE0031 Sigma-Aldrich

Tris Buffered Saline, with Tween® 20, pH 7.5

For in vitro Diagnostic Use

Synonym: TBS-T, TBS, TBST, Tris Buffered Saline



Related Categories Biochemicals and Reagents, Biological Buffers, Buffer Convenience Packaging, Buffer Solutions
Quality Level   GMP-IVD
form   liquid
application(s)   ELISA: suitable
  immunohistochemistry: suitable
  western blot: suitable
Featured Industry   Diagnostic Assay Manufacturing
shipped in   wet ice
storage temp.   2-8°C



For use as a wash buffer in western blotting, ELISA, and immunohistochemical (IHC) staining procedures.


Suitable for use in diagnostic applications and general use lab applications such as dot blot, western blotting, enzyme-linked immunosorbent assay (ELISA), and immunohistochemical (IHC) staining procedures.

Physical form

10X Solution as provided: 0.5 M Tris/Tris-HCl, 1.38 M NaCl, 0.027 M KCl, and 0.5% TWEEN 20 in high purity dH2O adjusted to pH 7.5. Solution is 0.2 μm filtered.

1X Working solution will consist of 0.05 M Tris/Tris-HCl, 0.138 M NaCl, 0.0027 M KCl, and TWEEN 20 - 0.05%, pH 7.4 - 7.6, at 25 °C.

Other Notes

Concentrated solution should be stored at 2–8 °C. Precaution should be taken to minimize foaming. Avoid vigorous agitation. The diluted wash buffer can be stored at room temperature (20–25 °C) for up to one week. Solutions that become turbid should be discarded.

Legal Information

TWEEN is a registered trademark of Croda International PLC

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis


Certificate of Origin

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