HEPES Buffer Powder (N-[2Hydroxyethyl]piperazine-N’-2-ethanesulphonic Acid) is a zwitterionic N-substituted aminosulfonic acid buffer commonly used in molecular biology and cell biology techniques. Soluble in water.
DNase / RNase non detected
M.W.: 283.3 free acid
Purity: >99%, pka (25°C) 7.5. pH range 6.8-8.2. Heavy metals 0.0005% max.
Storage: store at room temperature