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HEPES Buffer, 1.0 M solution, pH 8.0

Manufacturer: bioWorld Inc
Shipping: BioWorld Shipping

Synonyms : 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid; N-2-Hydroxyethylpiperazine-N\'-2-ethanesulfonic acid; 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid

HEPES is one of the best all-purpose buffers available for use in biological research. The molecule is zwitterionic at most biological pHs and is most effective as a buffer at pH 6.8 to 8.2. May be used in isoelectric focusing applications and as a buffer in the quantitative and selective measurement of antigen-antibody reactions. HEPES is reportedly superior to NaHCO3 in controlling pH in tissue and organ culture. Not recommended for use with the Folin-Ciocalteu protein assay.

Technical Information :

pKa (25°C) : 7.48

Warning: For laboratory use only. Not fit for agricultural, household, clinical use or human consumption.

  • Appearance: Colorless liquid
  • Boiling Point : 210-215 °C
  • Density : 1.07 g/mL at 20 °C
  • HS Code : 29335995
  • Melting Point: 234-238 °C
  • PH Value: 8.0
  • RTECS Number: TL6809000


Molecular Weight : 238.30g/mol

Molecular Formula : C8H18N2O4S

CAS : 7365-45-9

Storage : RT

Solubility : Soluble in water

Brand Name : bioPLUS

SizeCatalogue noPrice 
100ml size 40820042-1 £49.00/€68.60
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250ml size 40820042-2 £69.00/€96.60
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500ml size 40820042-3 £98.00/€137.20
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1000ml size 40820042-4 £189.00/€264.60
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All prices shown are exlusive of VAT.