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Merck

83000

Potassium methanesulfonate

≥98.0% (dry substance, T)

Synonym(s):

Methanesulfonic acid potassium salt

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About This Item

Empirical Formula (Hill Notation):
CH3KO3S
CAS Number:
Molecular Weight:
134.20
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
219-202-7
Beilstein/REAXYS Number:
3914899
MDL number:
Assay:
≥98.0% (dry substance, T)
Form:
crystals
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Quality Segment

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

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.


pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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