BES (Buffer)

IUPAC name2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid
SynonymN,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic Acid
Molecular formulaC6H15NO5S
Molar mass213.252 g/mol
CAS number10191-18-1
AppearanceWhite Crystalline Powder
StorageRoom temperature
CID73243
Useful pH Range6.4 – 7.8
pKa7.17 at 20°C7.09 at 25°C6.90 at 37°C 

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