375368

HEPES

≥99% dry basis (titration), 1M solution, amniosulfonic acid buffer

• Synonym(e): 4-(2-Hydroxyethyl)-piperazin-1-ethansulfonsäure
• Empirische Formel (Hill-System): C₈H₁₈N₂O₄S
• CAS-Nummer: 7365-45-9
• Molekulargewicht: 238.30
• Beilstein: 883043
• MDL-Nummer: MFCD00006158
• UNSPSC-Code: 12161700
• NACRES: NA.25

Eigenschaften

• product name: HEPES, ULTROL^® Grade, ≥99% dry basis (titration), 1M zwitterionic N-substituted aminosulfonic acid buffer
• Qualitätsniveau: 100
• Assay: ≥99% dry basis (titration)
• Form: solution
• Hersteller/Markenname: Calbiochem^®
• Lagerbedingungen: OK to freeze
• Farbe: clear colorless
• Nützlicher pH-Bereich: 6.8-8.2
• pKa (25 °C): 7.5
• Versandbedingung: ambient
• Lagertemp.: 15-25°C
• SMILES String: OCCN1CCN(CC1)CCS(O)(=O)=O
• InChI: 1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)
• InChIKey: JKMHFZQWWAIEOD-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

A zwitterionic N-substituted aminosulfonic acid buffer absorbance: <0.05 at 260 nm, 1 M, H₂O; pK_a: 7.55 at 20°C). Active in the pH range of 6.0 to 8.5.

Warnhinweis

Toxicity: Standard Handling (A)

Physikalische Form

1.0 M solution of Cat. No. 391338. Sterile-filtered.

Rechtliche Hinweise

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

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

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable