528131
PIPES, Free Acid, ULTROL® Grade
Piperazine-N,N′-bis(2-ethanesulfonic Acid)
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Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
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01 Juni 2012
wird geladen
A zwitterionic N-substituted aminosulfonic acid useful in the pH range of 6.1-7.5. Has a pKa 6.76 at 25°C.
Absorbance (0.5%, 0.25 N NaOH, 260 nm): <0.18.
| Produktinformationen | |||
|---|---|---|---|
| Form | White solid | ||
| Purity | ≥98% by titration (dry basis) | ||
| Contaminants | Heavy metals: <10 ppm | ||
| Heavy metals | <10 ppm | ||
| PKA | 6.8 at 20°C | ||
| Chemische Formel | C8H18N2O6S2 | ||
| CAS-Nummer | 5625-37-6 | ||
| Merck USA index | 14, 7479 | ||
| Lager- und Versandinformationen | |||
|---|---|---|---|
| Lagerkategorie | +15°C to +30°C | ||
| Ship |
Ambient Temperature Only
Standard Handling |
||
