2-(morpholin-4-yl)ethane-1-sulfonic acid

• ChemBase ID: 24326
• Molecular Formular: C6H13NO4S
• Molecular Mass: 195.23672
• Monoisotopic Mass: 195.0565289
• SMILES: S(=O)(=O)(CCN1CCOCC1)O
• Canonical SMILES: OS(=O)(=O)CCN1CCOCC1
• InChI: InChI=1S/C6H13NO4S/c8-12(9,10)6-3-7-1-4-11-5-2-7/h1-6H2,(H,8,9,10)
• InChIKey: SXGZJKUKBWWHRA-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 2-(morpholin-4-yl)ethane-1-sulfonic acid
• IUPAC Traditional name: mes (buffer); morpholineethanesulfonic acid
• Synonyms: 2-morpholinoethanesulfonic acid; MES solution; MOPS solution; 2-(4-Morpholinyl)-1-ethanesulfonic acid; MES; 2-(morpholin-4-yl)ethane-1-sulfonic acid; MES 溶液; MOPS 溶液; 2-(N-吗啉基)乙磺酸; 4-吗啉乙磺酸

Database IDs

• CAS Number: 4432-31-9
• EC Number: 224-632-3
• MDL Number: MFCD00006181
• Beilstein Number: 6350956; 141319
• PubChem SID: 24896633; 24896867; 160987633; 24886926; 24896648
• PubChem CID: 78165

CALCULATED PROPERTIES

• Acid pKa: -1.5187938
• H Acceptors: 5
• H Donor: 1
• LogD (pH = 5.5): -2.5209346
• LogD (pH = 7.4): -3.1313899
• Log P: -2.4859738
• Molar Refractivity: 43.7489 cm^3
• Polarizability: 18.032785 Å^3
• Polar Surface Area: 66.84 Å^2
• Rotatable Bonds: 3
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Absorption Wavelength: λ: 260 nm Amax: 0.01; λ: 280 nm Amax: 0.01
• Hydrophobicity(logP): -3.032
• pKa: 6.1
• pH: 2.5-4.0 (25 °C in neat)

Safety Information

• Storage Warning: IRRITANT
• RTECS: QE3479500
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 1
• Risk Statements: 36/37/38
• Safety Statements: 26
• TSCA Listed: false
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• GHS Precautionary statements: P261-P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US); Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: ≥99% (titration); 95%; 97%
• Concentration: 0.5 M in H2O; 1 M
• Grade: for molecular biology
• Suitability: suitable for cell culture
• Impurities: ≤1.0% water; Bioburden, tested; DNase, RNase, Protease, none detected; endotoxin, tested
• Cation Traces: Al: ≤1 mg/kg; Ba: ≤1 mg/kg; Bi: ≤1 mg/kg; Ca: ≤5 mg/kg; Cd: ≤1 mg/kg; Co: ≤1 mg/kg; Cr: ≤1 mg/kg; Cu: ≤1 mg/kg; Fe: <5 ppm; Fe: ≤1 mg/kg; Fe: ≤5 ppm; heavy metals (as Pb): <5 ppm; heavy metals (as Pb): ≤5 ppm; K: ≤20 mg/kg; Li: ≤1 mg/kg; Mg: ≤1 mg/kg; Mn: ≤1 mg/kg; Mo: ≤1 mg/kg; Na: ≤20 mg/kg; Ni: ≤1 mg/kg; Pb: ≤1 mg/kg; Sr: ≤1 mg/kg; Zn: ≤1 mg/kg
• Antion Traces: chloride (Cl-): ≤10 mg/kg; sulfate (SO42-): ≤10 mg/kg
• Sterility: sterile; 0.2 μm filtered
• pH Range: 5.5 - 6.7
• Quality Level: ELITE; GMP
• λ: neat
• Useful pH Range: 5.5 - 6.7; 6.5 - 7.9
• Product Line: BioReagent; BioUltra
• Empirical Formula (Hill Notation): C6H13NO4S

DETAILS

Sigma Aldrich - M3671

Frequently Asked Questions
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Other Notes
便于将 MES 产品的规格与 MES 规格表进行比较。
Quality
低水分