Sorachim
Reference: HEP-112C

HEPES

4-(2-Hydroxyethyl)-1-piperazine-ethane sulfonic 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 (1M, H2O): Clear solution
  • pKa (20 °C): 7.35 - 7.69
  • Loss on drying (104°C, 4h): < 0.5 %
  • Residue on ignition: < 0.1 %
  • pH (1%, H2O): 4.8 - 5.6
  • A260 (1M, H2O): < 0.05
  • A280 (1M, H2O): < 0.05
  • Heavy metals (as Pb): < 5ppm
  • Fe: < 5 ppm
  • Storage: Room temperature. Protect from moisture and light.
  • Stability: Stable at least 2 years at RT.

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