What is mw of tris?

The molecular weight (MW) of Tris (Tris(hydroxymethyl)aminomethane) is 121.14 g/mol. It is a common biological buffer used in biochemistry and molecular biology experiments to maintain pH stability. Tris is a white crystalline powder that is soluble in water and has a melting point of 168-172 °C. The chemical formula of tris is C4H11NO3. It is used in a variety of applications, including DNA extraction and electrophoresis. Tris is considered a safe and non-toxic compound when used in the laboratory.