83000

Potassium methanesulfonate

≥98.0% (dry substance, T)

• Synonym(s): Methanesulfonic acid potassium salt
• Empirical Formula (Hill Notation): CH₃KO₃S
• CAS Number: 2386-56-3
• Molecular Weight: 134.20
• Beilstein: 3914899
• EC Number: 219-202-7
• MDL number: MFCD00070544
• UNSPSC Code: 12352100
• PubChem Substance ID: 57652940
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: ≥98.0% (dry substance, T)
• form: crystals
• loss: <10% loss on drying
• functional group: sulfonic acid
• SMILES string: [K+].CS([O-])(=O)=O
• InChI: 1S/CH4O3S.K/c1-5(2,3)4;/h1H3,(H,2,3,4);/q;+1/p-1
• InChI key: XWIJIXWOZCRYEL-UHFFFAOYSA-M

Description

General description

1,3,(6,7)-Naphthalenetrisulfonic acid trisodium salt hydrate is an anionic chromophore often used in the fabrication of Ni, PPy-NTS and PPy-PTS electrodes to enhance the hydrogen evolution reaction.

Application

Potassium methanesulfonate can be employed as a cocatalyst in ruthenium-catalyzed C-H arylation of heteroarylbenzenes.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves