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MES hydrate_Molecular_structure_CAS_4432-31-9(anhydrous))
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MES hydrate

Catalog No. 69890 Name Sigma Aldrich
CAS Number 4432-31-9(anhydrous) Website http://www.sigmaaldrich.com
M. F. C6H15NO5S Telephone 1-800-521-8956
M. W. 213.252 Fax
Purity ≥99.5% (T) Email
Storage Chembase ID: 105859

SYNONYMS

Title
MES 水合物
IUPAC name
2-(morpholin-4-yl)ethane-1-sulfonic acid hydrate
IUPAC Traditional name
mes (buffer) hydrate
Synonyms
4-Morpholineethanesulfonic acid
2-(N-Morpholino)ethanesulfonic acid hydrate
2-(N-吗啉基)乙磺酸 水合物
4-吗啉乙磺酸

DATABASE IDS

PubChem SID 24885995
CAS Number 4432-31-9(anhydrous)
MDL Number MFCD00149409

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤20 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Empirical Formula (Hill Notation) C6H13NO4S · xH2O
Impurities insoluble matter, passes filter test
λ 0.5 M in H2O
Product Line BioUltra
Purity ≥99.5% (T)
Useful pH Range 5.5 - 6.7
Absorption Wavelength λ: 260 nm Amax: 0.025
Absorption Wavelength λ: 280 nm Amax: 0.020
pKa 6.1
pH 2.5-4.0 (25 °C, 0.5 M in H2O)
Solubility H2O: soluble0.5 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves
German water hazard class 3

DETAILS

Description (English)
Other Notes
Biological buffer; useful pH-range 5.8-6.51; Mobile phase component in brain tubulin isolation by amino-activated gel chromatography2; Buffer in plant tissue culture3,4.
Easily compare specifications for MES hydrate products with the MES hydrate specification table.
Description (简体中文)
Other Notes
Biological buffer; useful pH-range 5.8-6.51; Mobile phase component in brain tubulin isolation by amino-activated gel chromatography2; Buffer in plant tissue culture3,4.
Easily compare specifications for MES hydrate products with the MES hydrate specification table.

REFERENCES