HEPES; Sodium Salt; ULTROL Grade

Code: 391333-100GM D2-231

General 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. ...


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€141.00 100GM
€173.43 inc. VAT
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OVERVIEW

General 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.

Absorbance (1.0 mM, H2O, 260 nm):﹤0.10.

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.

Legal Information

ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Packaging

100, 500 g in Glass bottle

1 kg in Glass bottle

Warning

Toxicity: Standard Handling (A)

SPECIFICATIONS
anion traceschloride (Cl-): ﹤0.01%, sulfate (SO42-): ﹤0.05%
assay≥99% dry basis (titration)
cation tracesheavy metals: ﹤1 ppm
colorwhite
formsolid
InChI keyRDZTWEVXRGYCFV-UHFFFAOYSA-M
InChI1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1
manufacturer/tradenameCalbiochem®
pKa (20 °C)7.6
Quality Level100
shipped inambient
solubilitywater: 1.0 M
storage conditiondesiccated (hygroscopic), OK to freeze
storage temp.15-25°C
DOCUMENTS
RANGE
ATTRIBUTES
Cas Number75277-39-3
This product has met the following criteria to qualify for the following awards:



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