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H0527 Sigma-Aldrich

HEPES potassium salt

≥99.5% (titration)

Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid potassium salt, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) potassium salt

  • CAS Number 82207-62-3

  • Empirical Formula (Hill Notation) C8H17KN2O4S

  • Molecular Weight 276.39

  •  MDL number MFCD00043438

  •  PubChem Substance ID 24895405

  •  NACRES NA.25

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Properties

Related Categories Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Good’s Buffers
Quality Level   200
assay   ≥99.5% (titration)
form   powder
useful pH range   6.8 - 8.2
pKa    7.5
solubility   water: 0.5 g/mL, clear, colorless
SMILES string   [K+].OCCN1CCN(CC1)CCS([O-])(=O)=O
InChI   1S/C8H18N2O4S.K/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1
InChI key   KWURIFKZTJGMFD-UHFFFAOYSA-M

Description

Packaging

25, 100, 250 g in poly bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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