HEPBSHEPBS (N-(2-Hydroxyethyl)piperazine-N'-(4-butanesulfonic acid)) is a zwitterionic organic chemical buffering agent; one of Good's buffers. HEPBS and HEPES have very similar structures and properties, HEPBS also having an acidity (pKa) in the physiological range (7.6-9.0 useful range). Read from the Chembox of the Wikipedia article HEPBS, revision 1380020929.

Property

Value

Formula

C10H22N2O4S, 266.36 g/mol

Melting point

213.5 °C

Density

1.25 g/cm³

pKa

8.3

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