Synonyms: 2-(N-Morpholino)ethanesulfonic acid hydrate; 4-Morpholineethanesulfonic acid
Formula: C6H13NO4S · xH2O
Formula Weight: 195.24 (anhydrous basis)
CAS No.: 4432-31-9 (anhydrous)
Purity: ≥99.5% (titration)
Other Notes: Easily compare specifications for MES products with the MES specification table.
Abs.: A0.5M/280, H2O ≤0.020
Anion Traces: chloride (Cl-): ≤0.005%
Assay: ≥99.5% (titration)
Cation Traces: Cr: ≤0.0005%
Ign. Residue (900°C): ≤0.05%
Impurities: Insoluble matter, passes filter test
pH: 2.5-4.0 (0.5 M in H2O)
pKa: 6.1
Product Line: BioXtra
Quality Level: ELITE
Solubility: H2O: soluble0.5 M, clear, colorless
Useful pH Range: 5.5 - 6.7