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Cesium methanesulfonate

CAS No.
2550-61-0
Chemical Name:
Cesium methanesulfonate
Synonyms
CsMSF;CsMeS;Cesium methanesulfonate;METHANESULFONIC ACID, CESIUM SALT;methanesulfonic acid, caesium salt;CESIUM METHANESULFONATE, USED IN PAT;Methanesulfonic acid,cesium salt (8CI,9CI)
CBNumber:
CB9124192
Molecular Formula:
CH3CsO3S
Molecular Weight:
228
MDL Number:
MFCD00075523
MOL File:
2550-61-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:55:55

Cesium methanesulfonate Properties

Melting point 262-264 °C (lit.)
storage temp. Store at room temperature, keep dry and cool
form Powder
color White
InChI 1S/CH4O3S.Cs/c1-5(2,3)4;/h1H3,(H,2,3,4);/q;+1/p-1
InChIKey DJKJXRLREATOMF-UHFFFAOYSA-M
SMILES [Cs+].CS([O-])(=O)=O
UNSPSC Code 12161700
NACRES NA.25

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Cesium methanesulfonate price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich C1426 Cesium methanesulfonate used in patch clamp techniques 2550-61-0 5g $124 2026-04-30 Buy
Sigma-Aldrich C1426 Cesium methanesulfonate used in patch clamp techniques 2550-61-0 25g $429 2026-04-30 Buy
Chem-Impex 36319 Cesium methanesulfonate, used in patch clamp techniques ≥95% 2550-61-0 5G $127.2 2026-05-19 Buy
Chem-Impex 36319 Cesium methanesulfonate, used in patch clamp techniques ≥95% 2550-61-0 25G $436.8 2026-05-19 Buy
aablocks AA006U0S Cesium methanesulfonate 98% 2550-61-0 1g $52 2026-05-28 Buy
Product number Packaging Price Buy
C1426 5g $124 Buy
C1426 25g $429 Buy
36319 5G $127.2 Buy
36319 25G $436.8 Buy
AA006U0S 1g $52 Buy

Cesium methanesulfonate Chemical Properties, Uses, Production

Uses

Cesium methanesulfonate has been used as a supplement in intracellular solution for the patch clamp recording system.

General Description

Cesium methanesulfonate is used as a component of intracellular recording solutions of electrodes for patch clamp techniques in cell electrophysiology studies. Cesium methanesulfonate is used as an current carrier as cesium acts as a potassium (K+) channel blocker, while methanesulfonate is not transported through chloride (Cl-) channels.

Cesium methanesulfonate Preparation Products And Raw materials

Raw materials

Preparation Products

Cesium methanesulfonate Suppliers

Global Suppliers ( 49)
Supplier Tel Email Country ProdList Advantage
CHG Opto-Electronic Corporation Limited 2537653158 16621191650 2537653158@qq.com China 7132 58
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Shanghai Macklin Biochemical Co.,Ltd. 15221275939 15221275939 shenlinxing@macklin.cn China 15775 55
Changsha Jing Kang New Material Technology Co., Ltd. 0731-85118349 18874718518 877634463@qq.com China 1998 50
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Shandong Xiya Chemical Co., Ltd. 4009903999 13395398332 sales@xiyashiji.com China 20788 60
Shandong Ono Chemical Co., Ltd. 0539-6362799 20) China 10007 58
Aikon International Limited 025-58859352 19370895928 sales01@aikonchem.com China 15078 58
METHANESULFONIC ACID, CESIUM SALT methanesulfonic acid, caesium salt CsMeS CsMSF CESIUM METHANESULFONATE, USED IN PAT Methanesulfonic acid,cesium salt (8CI,9CI) Cesium methanesulfonate 2550-61-0 CH3O3SCs CH4O3SCs Cesium Synthetic Reagents Inorganic Salts