HEPES

Reference: HEP-112C

HEPES

(2-[4-(2-Hydroxyethyl)-1-piperazinyl] ethanesulfonic acid C₈H₁₈N₂O₄S

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DESCRIPTION

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CAS 7365-45-9
Form: White crystalline powder
Formula: C8H18N2O4S
Formula weight: 238.30
Assay: ≥ 99 %
Solubility (0.1M, H2O): Clear solution
pKa (25 °C): 7.35 - 7.75
Loss on drying (140°C, 0.5h): ≤ 1 %
pH (5%, H2O): 5.0 - 6.5
A260 (1M, H2O): ≤ 0.05
A280 (1M, H2O): ≤ 0.04
Storage: Room temperature. Protect from moisture and light.

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