Tris-Acetate-EDTA, CAS Number-77-86-1, 6850-28-8, 6381-92-6, 10378-23-1, TAE, 1 pk., Gray, White, Tris (64.36%), Acetic Acid, Sodium Salt (31.91%) and Ethylenediamine Tetraacetic Acid (3.72%)., 1100 to 1500umhos/cm, DNase free, Pass Test, Electrophoresis, 25X Powder, Foil Pack, 8.3, Solid