Merck
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391340

Millipore

HEPES, Free Acid, Molecular Biology Grade - CAS 7365-45-9 - Calbiochem

A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.

Synonym(s):
N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid), N-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid, 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, HEPES
Empirical Formula (Hill Notation):
C8H18N2O4S
CAS Number:
Molecular Weight:
238.30
Beilstein:
883043
Número MDL:

Nivel de calidad

100

ensayo

≥99% (alkalimetric)

formulario

solid

manufacturer/tradename

Calbiochem®

condiciones de almacenamiento

OK to freeze

color

white

useful pH range

6.8-8.2

pKa (25 °C)

7.5

solubilidad

water: 400 mg/mL
aqueous base: soluble

trazas de catión

heavy metals: ≤0.0005%

actividad extraña

DNase, RNase, and protease, none detected

enviado en

ambient

temp. de almacenamiento

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)

InChI key

JKMHFZQWWAIEOD-UHFFFAOYSA-N

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Descripción general

A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.

Envase

25 g in Glass bottle
250 g in Plastic ampoule

Advertencia

Toxicity: Standard Handling (A)

Información legal

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

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

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