Hepes Buffer

(N-2-Hydroxyethylpiperazine-N'-2-Ethanesulfonic acid)
C8H18O4N2S   F.W. 238.30   CAS #7365-45-9

Assay   >99%
pKa @20°C   7.55
pH Range   7.0-8.0
A(260) (1.0M in H2O)   <0.05
Ash   <0.1%
Good's buffer.    
SKU: 16782
Pack: 100 g
$61.50