391335
BIS-Tris, ULTROL® Grade
[bis(2-Hydroxyethyl)imino]-tris(hydroxymethyl)methane
For general questions please contact our Customer Service:
EMD Millipore
290 Concord Road
01821 Billerica, MA
United States
Phone: 781 533-6000
Fax: +49 6151 72 2000
E-mail: Customer.CareDesk@emdchemicals.com
25 May 2012
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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 |
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