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CAS 66992-27-6

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N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt

Description:
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt, commonly known as BES, is a zwitterionic buffer widely used in biological and biochemical research. It features a sulfonic acid group, which contributes to its buffering capacity, particularly in the physiological pH range. BES is characterized by its high solubility in water, making it suitable for various aqueous applications. The compound is stable under a range of temperatures and pH levels, which enhances its utility in laboratory settings. Its structure includes two hydroxyethyl groups that provide additional stability and solubility, while the amino group allows for interactions with biomolecules. BES is often employed in cell culture and enzyme assays due to its minimal interference with biological processes. Additionally, it is considered to have low toxicity, making it a safer alternative to some traditional buffers. Overall, BES is valued for its effectiveness in maintaining pH stability in biological systems, contributing to reliable experimental outcomes.
Formula:C6H14NNaO5S
InChI:InChI=1/C6H15NO5S.Na/c8-4-1-7(2-5-9)3-6-13(10,11)12;/h8-9H,1-6H2,(H,10,11,12);/q;+1/p-1
InChI key:CFQLQLSIZOWFNV-UHFFFAOYSA-M
SMILES:C(CO)N(CCO)CCS(=O)(=O)O.[Na]
Synonyms:
  • BES sodium salt
  • Sodium 2-[Bis(2-Hydroxyethyl)Amino]Ethanesulfonate
  • 2-[bis(2-Hydroxyethyl)amino]-ethanesulfonic acid sodium salt
  • BES-Na
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