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A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.
More>>A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10. Less<<
HEPES, Sodium Salt, ULTROL® Grade - CAS 75277-39-3 - Calbiochem MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.
Revision
19-April-2010 JSW
Synonyms
N-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid, Na
Description
A zwitterionic N-substituted aminosulfonic acid buffer(Absorbance: <0.10 at 260 nm, 1.0 mM, H2O). Active in the pH range of 6.0 to 8.5. Has a pKa of 7.6 at 20°C.
