MES Sodium Salt Buffer

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Cell culture media
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Assay (titr.): ≥ 99% | CAS No: 71119-23-8 | Useful pH range: 5.5 – 6.7

Hopax is a manufacturer and supplier of MES Sodium Salt (CAS 71119-23-8), a zwitterionic biological buffer often used as a buffering agent in biological and biochemical research.

Solubility in water: (Compare with other buffers)

  • 10g/100ml


  • Store at room temperature
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Assay (titration)

≥ 99.0%

Useful pH range

5.5 – 6.7
Compare with other buffers


White powder

Molecular formula


Molecular weight

217.2 g/mol

Solubility (10% in H2O)

Clear and Complete

Moisture (LOD)

≦ 1.0%

pKa (25°C)

5.9 – 6.3

pH (1% in H2O) 

8.9 – 10.1

UV (10% in H2O)A260nm 

≦ 0.05

UV (10% in H2O)A280nm 

≦ 0.03

Customized specifications are available for bulk requests. Contact us to discuss your requirements.

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Synonyms / Similar names:

  • 2-(N-Morpholino)ethanesulfonic acid sodium salt
  • 4-Morpholineethanesulfonic acid sodium salt
  • MES Na

What we offer:

  • Worldwide shipping
  • Certificate of Analysis (CoA)
  • Safety Data Sheet (SDS)
  • Analytical tests (DNase, RNase, protease activity, heavy metals and others upon request)

Lead time

  • 15 business days after order confirmation

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