MilliporeSigma
All Photos(1)

H2393

Sigma-Aldrich

HEPES sodium salt hydrate

≥99% (titration)

Synonym(s):
N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) hemisodium salt
Linear Formula:
C8H17N2O4SNa
CAS Number:
Molecular Weight:
260.29
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

≥99% (titration)

form

powder

useful pH range

6.8-8.2

 

7.5

pKa 

7.5

solubility

water: 500 mg/mL, clear, colorless to faintly yellow

storage temp.

room temp

SMILES string

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

InChI

1S/C8H18N2O4S.Na.H2O/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;;/h11H,1-8H2,(H,12,13,14);;1H2/q;+1;/p-1

InChI key

ZNJHFNUEQDVFCJ-UHFFFAOYSA-M

Related Categories

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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