391335
BIS-Tris, ULTROL® Grade
[bis(2-Hydroxyethyl)imino]-tris(hydroxymethyl)methane
For general questions please contact our Customer Service:
Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Phone: +49 6151 72-0
Fax: +49 6151 72 2000
15 February 2012
loading
A zwitterionic buffer that exhibits only a very small shift in dissociation constant with respect to temperature. Useful in the pH 5.8-7.3 range. Has a pKa of 6.50 at 25°C. Suitable for fractionation of hemoglobin.
Absorbance (100 mM, H2O, 280 nm):≤0.04.
| Product information | |||
|---|---|---|---|
| Form | White solid | ||
| Molar mass | 209.2 | ||
| Purity | ≥99% by titration | ||
| Heavy metals | <1 ppm | ||
| PKA | 6.5 at 20°C | ||
| Solubility | H2O | ||
| Chemical formula | C8H19O5N | ||
| CAS number | 6976-37-0 | ||
| Store and ship information | |||
|---|---|---|---|
| Storage | +15°C to +30°C | ||
| Ship |
Ambient Temperature Only
Standard Handling |
||
