β-(N-Morpholino)ethansulfonsäure (MES) Monohydrat 98, powder_white crystalline

Lieferant: ICN Biomedicals

Synonyms: MES monohydrate, 2-(N-Morpholino)ethanesulphonic acid monohydrate, 2-Morpholinoethanesulphonic acid hydrate

0219530910 0219530925 0219530980 0219530983 0219530991
ICNA0219530910EA 52.5 CHF
ICNA0219530910 ICNA0219530925 ICNA0219530980 ICNA0219530983 ICNA0219530991
β-(N-Morpholino)ethansulfonsäure (MES) Monohydrat 98, powder_white crystalline
MES (β-(N-Morpholino)ethansulfonsäure) Monohydrat

MES is a zwitterionic buffer.


MES is regarded as one of the "Good" buffers developed for biological applications. It has the advantages of: midrange pKa, maximum water solubility and minimum solubility in all other solvents,minimal salt effects, minimal change in pK with temperature chemically and enzymatically stable, minimal absorption in visible or UV spectral range.


Biological buffer


Soluble in water (0,5 M or higher yields a clear and colourless solution).

Formel: C₆H₁₃NO₄S·1H₂O
MW: 213.25 g/mol
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00149409
CAS-Nummer: 145224-94-8
EINECS: 224-632-3
Merck Index: 13,05929

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Spezifikation Testergebnisse

Purity ≥98%
OD260 (5% aq soln) <0,3
Loss on Drying <10%
pH 2,5 - 4,0 (1% aq solution)
pka 6,1 at 25 °C


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