TAE buffer is commonly prepared as a 50× stock solution for laboratory use.

This stock solution can be diluted 49:1 with water to make a 1× working solution.

NamePer 1 mole50x solution50×1× solution
Tris base121.1 g/L2 M242.2 g/L40 mM
acetic acid57.1 ml/L1 M57.1 ml/L20 mM
EDTA disodium salt dihydrate372.24 g/L50 mM18.612 g/L1 mM
IMPORTANT! Use Tris base, not Tris-HCl.