| Description | HEPPSO is a zwitterionic buffer with a working pH range of 7.1-8.5. It exhibits strong copper(II) binding capability and a pK value of 7.84 at a concentration of 2.0 mM. |
| molecular weight | 268.33 |
| Molecular formula | C9H20N2O5S |
| CAS | 68399-78-0 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| References | 1. Vasconcelos MT, et, al. Copper(II) complexation properties and surfactant activity of 3-[N, N-bis(2-hydroxyethyl)amino]-2-hydroxypropanesulfonic acid and N-(2-Hydroxyethyl)piperazine-N'-2-hydroxypropanesulfonic acid pH buffers which may affect trace metal speciation in in vitro studies. Anal Biochem. 1998 Dec 15; 265(2): 193-201. 2. Mash HE, et, al. Complexation of copper by zwitterionic aminosulfonic (good) buffers. Anal Chem. 2003 Feb 1; 75(3): 671-7. |