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PR1MA™ HEPES, Sodium Salt

[N-(2-Hydroxyethyl) piperazine-N'-(2-ethanesulfonic acid)]
Item #: ASHEPESSS 
PR1MA HEPES Sodium Salt

PR1MA™  HEPES, Sodium Salt [N-(2-Hydroxyethyl) piperazine-N'-(2-ethanesulfonic acid)]

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


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


  • Appearance: White crystalline powder
  • Assay (Titration, dried basis): ≥ 98.0 %
  • Chloride (Cl): ≤ 0.1 %
  • Heavy Metals (as Pb): ≤ 1 ppm
  • Loss on Drying @ 105 oC, 3hrs: ≤ 2.0 %
  • 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

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Chemical
HEPES, Sodium Salt
SKU Number Chemical Volume Price Quantity Add to Cart
KCH75050-100 HEPES, Sodium Salt 100 g
102.12
Each
KCH75050-250 HEPES, Sodium Salt 250 g
172.79
Each
KCH75050-500 HEPES, Sodium Salt 500 g
304.04
Each
KCH75050-1000 HEPES, Sodium Salt 1 kg
530.48
Each
KCH75050-5000 HEPES, Sodium Salt 5 kg
1453.25
Each
PR1MA HEPES Sodium Salt
PR1MA™ HEPES, Sodium Salt
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