163732

MES monohydrate

• Synonym(s): 2-(N-Morpholino)ethanesulfonic acid, 4-Morpholineethanesulfonic acid monohydrate
• Empirical Formula (Hill Notation): C₆H₁₃NO₄S · H₂O
• CAS Number: 145224-94-8
• Molecular Weight: 213.25
• Beilstein: 6350956
• MDL number: MFCD00149409
• PubChem Substance ID: 329751204

Properties

• assay: 98.5-102.5% NaOH basis (titration)
• form: powder
• useful pH range: 5.5 - 6.7
• pKa (25 °C): 6.1
• mp: >300 °C (lit.)
• solubility: water: 0.25 g/mL, clear, colorless
• SMILES string: O.OS(=O)(=O)CCN1CCOCC1
• InChI: 1S/C6H13NO4S.H2O/c8-12(9,10)6-3-7-1-4-11-5-2-7;/h1-6H2,(H,8,9,10);1H2
• InChI key: MIIIXQJBDGSIKL-UHFFFAOYSA-N

Description

General description

MES monohydrate (2-morpholinoethanesulfonic acid monohydrate) is is a zwitterionic organic compound used as an acidic buffer in specific biological processes.

Application

A buffer useful in the physiological pH range.