HEPES, FREE ACID  N-[2-HYDROXYETHYL]PIPERAZINE-N'-[2-ETHANESULFONIC ACID]

High Purity Grade

Scientific Chemical Name: C₈H₁₈N₂O₄S  

Specifications:  

DNase(P/F)…………………………………………………………NONE

Heavy Metals (as Pb)(%)………………………………………….<=0.0005

Iron(%)………………………………………………………………<=0.0005

pKa @20C………………………………………………………… 7.45-7.65

Protease(P/F)………………………………………………………NONE

Purity (Dry Basis)(%) ………………………………………………>99.0

Residue on Ignition(%)…………………………………………….. <=0.2

RNase(P/F) …………………………………………………………NONE