MES Sodium Salt
MES, Sodium Salt (2-(N-Morpholino)ethanesulfonic acid sodium salt) is a zwitterionic N-substituted aminosulfonic acid known as a Good’s buffer, active in the pH range 6-8 with a pKa of 6.10 at 25°C. With a pKa value near physiological pH, it is not absorbed through cell membranes, and it is essentially transparent to UV light. MES is used as a running buffer for resolving very small proteins (ex: 13 kDa) on bis-tris gels. Also used in cation-exchange chromatography and as a biological buffer in plant cell cultures. MES solutions can be prepared to the desired pH by titrating the free acid with sodium hydroxide.
Product Details
| Category |
Biological Buffers |
|---|---|
| Price | POA |
| CAS Number | 71119-23-8 |
| Formula | C6H12NNaO4S |
| Molecular Weight | 217.22 |
| Purity | 99.0% |
| Appearance | solid form |
| Availability | In Stock |
| Storage Conditions | +4°C |
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