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103404-87-1 - HEPES hemisodium salt - 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid sodium salt - J61830 - Alfa Aesar

J61830 HEPES hemisodium salt

CAS Number
4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid sodium salt

Size Price ($) Quantity Availability
100g 70.00
250g 140.00
500g 210.00
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HEPES hemisodium salt


Chemical Properties

Formula Weight
Crystalline powder
Soluble in water.


HEPES hemisodium salt is common buffer for biological sciences, particularly used in cell culture to maintain physiological pH. It acts a buffering component, which is used in the preparation of buffers. It is described as one of the best all-purpose buffers available for use in biological research.


Incompatible with strong oxidizing agents.

Literature References

Kebede, N.; Francis, P. S.; Barbante, G. J.; Hogan, C. F. Electrogenerated chemiluminescence of tris(2, 2' bipyridine)ruthenium(II) using common biological buffers as co-reactant, pH buffer and supporting electrolyte. Analyst 2015, 140 (21), 7142-7145.

Flourat, A. L.; Peru, A. A. M.; Teixeira, A. R. S.; Brunissen, F.; Allais, F. Chemo-enzymatic synthesis of key intermediates (S)-γ-hydroxymethyl-α, β-butenolide and (S)-γ-hydroxymethyl-γ-butyrolactone via lipase-mediated Baeyer-Villiger oxidation of levoglucosenone. Green Chem. 2015, 17 (1), 404-412.

GHS Hazard and Precautionary Statements

Precautionary Statements: P260-P201-P280-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • A10615

    5-Methyl-1H-benzotriazole, 98+%
  • A11359

    Cyclohexene, 99%
  • A13397

    Diethylene glycol dimethyl ether, 99%, stab. with 100ppm BHT
  • A14834

    n-Dodecane, 99+%
  • A15215

    Tetraethylammonium chloride monohydrate, 98%

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