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Sigma-Aldrich

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:
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

Assay

≥98.0% (dry substance, T)

form

crystals

loss

<10% loss on drying

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

Application

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

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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