A non-metal complexing, zwitterionic buffer with mixed-mode dissociation constants of pKa1 = 3.73 and pKa2 = 7.96 (aqueous solution, 25C, ionic strength = 100 mM). PIPPS has no interference at wavelengths longer than 240 nm.
Synonyms: PIPPS - CAS 5625-56-9 - Calbiochem; Piperazine-N,Nʹ- bis(3-propanesulfonic Acid); Piperazine-N,Nʹ-bis(3-propanesulfonic Acid)
Molecular Formula: C10H22N2O6S2
Molecular Weight: 330.42
Linear Structural Formula: C10H22N2O6S2
Purity: >=97% dry basis (titration)
Legal Information: CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Other Notes: Yu, Q., et al. 1997. Anal. Biochem. 253, 50.