POPSO Buffer (for biochemistry)
Piperazine-1,4-bis(2-hydroxypropanesulfonic acid) dihydrate; Piperazine-N,N'-bis(2-hydroxypropanesulfonic acid)
Product Code. |
02060 |
Grade |
|
Purity |
97% |
CAS No. |
68189-43-5 |
Molecular Formula |
C10H22N2O8S2.2H2O |
Molecular Weight |
398.50 |
H.S.Code |
2933.99000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White powder |
Melting point/ Freezing point [°C] |
300 °C |
Packaging
Specification
| Appearance | White powder |
| Assay | Min 97% |
| Solubility (0.1 M in 1 M NaOH; 20°C) | Clear |
| pK (at 20°C) | 7.85 |
| Chloride (Cl) | Max 0.2% |
| Copper (Cu) | Max 0.005% |
| Sulphate (SO4) | Max 0.05% |
| Iron (Fe) | Max 0.005% |
| Calcium (Ca) | Max 0.005% |
| Potassium (K) | Max 0.01% |
| Cadmium (Cd) | Max 0.005% |
| Sodium (Na) | Max 0.1% |
| Cobalt (Co) | Max 0.005% |
| Nickel (Ni) | Max 0.005% |
| Lead (Pb) | Max 0.005% |
| Zinc (Zn) | Max 0.005% |
Safety Information and Hazard Symbols