HEPES, Sodium Salt
[N-(2-Hydroxyethyl) piperazine-N'-(2-ethanesulfonic acid)],
500 Grams
RP-H75050-500.0

HEPES, Sodium Salt
[N-(2-Hydroxyethyl) piperazine-N'-(2-ethanesulfonic acid)],
500 Grams
RP-H75050-500.0

Research or further manufacturing use only, not for food or drug use.

Common Name: N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid)

CAS Number: 75277-39-3

Molecular Weight: 260.3

Chemical Formula: C8H17N2O4SNa

Solubility: Water

Storage Temperature: Room Temperature

pKa (20°C): 7.45-7.65 pH Range: 6.8-8.2

Appearance: White crystalline powder Assay (Titration, dried basis): ≥ 98.0 % Bioburden: ≤ 100 CFU/gm Chloride (Cl): ≤ 0.1 % Endotoxin: ≤ 0.04 EU/mg Heavy Metals (as Pb): ≤ 1 ppm Loss on Drying @ 105 oC, 3hrs: ≤ 3.0 % pH (1% aqueous @ 25 oC): 9.4 - 11.0 pKa @ 20°C: 7.45 - 7.65 Solubility (1M Solution in H2O): Clear, complete and colorless UV Absorbance @ 250nm 1M: ≤ 1.0 BSE/TSE Free: BSE/TSE Free