H9897

Sigma-Aldrich

HEPES hemisodium salt

dry powder

Synonym(s):
N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) hemisodium salt, 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid hemisodium salt
Empirical Formula (Hill Notation):
C8H17.5N2O4S · 0.5Na
CAS Number:
Molecular Weight:
249.30
PubChem Substance ID:
NACRES:
NA.25
Pricing and availability is not currently available.

Quality Level

form

dry powder

pH

7.0-8.0

useful pH range

6.8 - 8.2

pKa 

7.5

storage temp.

room temp

SMILES string

[Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O

Looking for similar products? Visit Product Comparison Guide

Related Categories

Packaging

foil pouches

Reconstitution

Contents of each pouch dissolved in 1 liter deionized water will yield 0.1 M sodium HEPES buffer, pH 7.5 at 25 °C.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Mario Vieweger et al.
Biophysical journal, 114(8), 1762-1775 (2018-04-26)
Structural RNA domains are widely involved in the regulation of biological functions, such as gene expression, gene modification, and gene repair. Activity of these dynamic regions depends sensitively on the global fold of the RNA, in particular, on the binding...
Benjamin S Waldman et al.
Cell, 180(2), 359-372 (2020-01-21)
Toxoplasma gondii chronically infects a quarter of the world's population, and its recrudescence can cause life-threatening disease in immunocompromised individuals and recurrent ocular lesions in the immunocompetent. Acute-stage tachyzoites differentiate into chronic-stage bradyzoites, which form intracellular cysts resistant to immune...

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service

Social Media

LinkedIn icon
Twitter icon
Facebook Icon
Instagram Icon

MilliporeSigma

Research. Development. Production.

We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.

© 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.

Reproduction of any materials from the site is strictly forbidden without permission.