Tris-EDTA buffer is commonly used in molecular biology to re-suspend and/or dilute purified DNA or RNA. The buffering properties of Tris and metal chelating properties of EDTA help protect DNA and RNA.
100 x concentrated aqueous solution.

Tris (cat. no. 37180) EDTA-Na2-salt (cat. no. 11280) pH

121.14 g/L (1 M) 37.22 g/L (0.1 M) 8.0 ± 0.2

HS: 38229000
Storage Temperature: +15 °C to +30 °C