caesium(1+) ion methanesulfonate

• ChemBase ID: 133683
• Molecular Formular: CH3CsO3S
• Molecular Mass: 228.00317
• Monoisotopic Mass: 227.88574096
• SMILES: CS(=O)(=O)[O-].[Cs+]
• Canonical SMILES: [O-]S(=O)(=O)C.[Cs+]
• InChI: InChI=1S/CH4O3S.Cs/c1-5(2,3)4;/h1H3,(H,2,3,4);/q;+1/p-1
• InChIKey: DJKJXRLREATOMF-UHFFFAOYSA-M

NAMES AND DATABASE IDS

Names

• IUPAC name: caesium(1+) ion methanesulfonate
• IUPAC Traditional name: caesium(1+) ion mesylate
• Synonyms: CsMSF; CsMeS; Methanesulfonic acid cesium salt; Cesium methanesulfonate

Database IDs

• CAS Number: 2550-61-0
• MDL Number: MFCD00075523
• PubChem SID: 24862942; 162227960; 24892412
• PubChem CID: 5148066

CALCULATED PROPERTIES

• Acid pKa: -1.6106497
• H Acceptors: 3
• H Donor: 0
• LogD (pH = 5.5): -3.3367643
• LogD (pH = 7.4): -3.3367722
• Log P: -0.9603736
• Molar Refractivity: 15.4098 cm^3
• Polarizability: 7.302348 Å^3
• Polar Surface Area: 57.2 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: 262-264 °C(lit.)

Safety Information

• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 3
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• GHS Precautionary statements: P261-P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: 98%
• Linear Formula: CH3O3SCs

DETAILS

Sigma Aldrich - C1426

包装
5, 25 g in glass bottle
Application
Cesium methanesulfonate is used as a component of intracellular recording solutions of electrodes for patch clamp techniques in cell electrophysiology studies.1,2,3 Cesium methanesulfonate is used as an current carrier as cesium acts as a potassium (K+) channel blocker,4 while methanesulfonate is not transported through chloride (Cl-) channels.5

Sigma Aldrich - 368903

Packaging
25 g in glass bottle