HEPES Sodium Salt is a zwitterionic salt which is used in the preparation of a HEPES buffer solution. Its pH range makes an ideal buffer for pH maintenance. HEPES Sodium Salt interferes with the Folin protein assay. The tendency of this buffer to form radicals makes it unsuitable for redox studies.
CAS #: 75277-39-3
Formula: C8H17N2NaO4S
Sol. In H2O (g/L): 990
F.W.: 260.29 g/mol
pH @ 20°C: 4.5 - 6.0
Useful pH: 7.8 - 8.2
pKa @ 20˚C: 7.5
| ANALYSIS | SPECIFICATIONS | ||
|---|---|---|---|
|
White | ||
| Appearance (Form) | Powder | ||
|
Conforms to Reference | ||
| Water (by Karl Fischer) | ≤ 3.0% | ||
| Titration with H2SO4 | ≥ 96.0% | ||
| RNase Detection | Pass | ||
| pH 1.0% aqueous | 9.5 – 10.5 | ||
| Endotoxin | ≤ 50 EU/g |
Printable Version
Material represented by this grade is suitable to be used only as the following: Quality System Manufactured Process Chemical for use in further manufacturing or as a reagent chemical for commercial manufacturing, diagnostic and laboratory research. The material represented by this grade is not suitable to be used as an Excipient, Active Pharmaceutical Ingredient, Drug, Drug Product or household item.
Two years from date of manufacture, testing and packaging.
Ship and Store in ambient temperature.
10kg, 25kg and 50kg pails.
American Manufactured - FDA Registered GMP Facilities: Parenteral Excipients, GMP Small Molecule Intermediates, GMP Biological Buffers, Parenteral Carbohydrates, GMP Chlorinated Amino Acids, GMP Solutions in Sterile Single Use Packaging and other Reagent & GMP Fine Chemicals.