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Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Phone: +49 6151 72-0
Fax: +49 6151 72 2000
24 May 2012
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A zwitterionic amino acid buffer active in the pH 7.6-9.0 range. Has a pKa of 8.26 at 25°C.
Absorbance (5%, H2O, 250 nm): <0.05.
| Product information | |||
|---|---|---|---|
| Form | White solid | ||
| Molar mass | 163.2 | ||
| Purity | >99% by titration | ||
| Contaminants | sulfate ≤0.005%; sodium ≤0.005% | ||
| Heavy metals | <0.0005% (as Pb) | ||
| PKA | 8.4 at 20°C | ||
| Solubility | H2O | ||
| RTECS | MB9700000 | ||
| CAS number | 150-25-4 | ||
| Merck USA index | 14, 1201 | ||
| Store and ship information | |||
|---|---|---|---|
| Storage | +15°C to +30°C | ||
| Ship |
Ambient Temperature Only
Standard Handling |
||
