HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) free acid ≥99% (by alkalimetry), Molecular Biology Grade, Millipore®

: Merck Millipore (Calbiochem‎)

: HEPES free acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid), 4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid, N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acid, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acid

:7365-45-9

:C₈H₁₈N₂O₄S

:MFCD00006158

:1.448 g/cm³ (20 °C)

:238.31 g/mol

:210…215 °C

:13,04672

:Ambient

:230-907-9

Environmentally Preferable:

Purity ( by alkalimetric assay):
≥99%
DNase, RNase, and protease:
None detected
Heavy metals:
≤0.0005%