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Merck
CN

562505

Cesium hydroxide monohydrate

≥99.5% trace metals basis

Synonym(s):

Cesium hydroxide hydrate

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About This Item

Empirical Formula (Hill Notation):
HCsO · H2O
CAS Number:
35103-79-8
Molecular Weight:
167.93
NACRES:
NA.23
PubChem Substance ID:
329758193
UNSPSC Code:
12352302
EC Number:
244-344-1
MDL number:
MFCD00010964
Assay:
≥99.5% trace metals basis
Form:
powder or crystals

Key Documents

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InChI key

HUCVOHYBFXVBRW-UHFFFAOYSA-M

InChI

1S/Cs.H2O/h;1H2/q+1;/p-1

SMILES string

[Cs+].[O-][H].[H]O[H]

assay

≥99.5% trace metals basis

form

powder or crystals

impurities

≤5000.0 ppm Trace Metal Analysis

mp

272 °C (lit.)

density

3.68 g/mL at 25 °C (lit.)

Quality Level

100

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Application

Cesium hydroxide monohydrate can be used:

  • As a catalyst to prepare unsymmetrical Bis-allyl ethers via dimerization of Baylis-Hillman adducts.
  • As a dopant to fabricate vanadium oxide thin films as a hole extraction layer for perovskite solar cells.
  • As an initiator for ring opening polymerization of monosubstituted oxiranes.
  • As a promoter to synthesize secondary amines via chemoselective N-alkylation.

Features and Benefits

  • As a strong base ≥99.5% CsOH serves as an effective catalyst in organic reactions, enhancing reaction rates and selectivity without the risk of impurities affecting the outcomes.
  • ≥99.5% CsOH is used in the synthesis of various cesium compounds, ensuring that contaminants do not interfere with chemical reactions, leading to higher yields and purity of the final products.

General description

Cesium hydroxide is a strong base that can be used in organic synthesis, as a catalyst, and as an intermediate in the production of cesium compounds.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1A

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

非剧毒-急性毒性1
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Certificates of Analysis (COA)

Lot/Batch Number
MKCW1512
MKCV5034
MKCV3626
MKCT7746
MKCR6961

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Cesium Hydroxide Promoted Chemoselective N-Alkylation for the Generally Efficient Synthesis of Secondary Amines
Ralph N. Salvatore, et al.
Organic Letters, 1, 1893-1896 (1999)
Application of cesium hydroxide monohydrate for ring opening polymerization of monosubstituted oxiranes: characterization of synthesized polyether-diols
Zbigniew Grobelny, et al.
Polymer Bull., 78, 7301-7312 (2021)
Cesium-Doped Vanadium Oxide as the Hole Extraction Layer for Efficient Perovskite Solar Cells
Xiang Yao, et al.
ACS Omega, 3, 1117-1125 (2018)
An atom-economical and environmentally benign preparation of unsymmetrical bis-allyl ethers via dimerization of Baylis-Hillman adducts catalyzed by cesium hydroxide monohydrate
Yunkui Liu, et al.},
Synlett, 2005, 2999-3001 (2005)
David Johannes Scholz et al.
Magma (New York, N.Y.), 28(6), 591-598 (2015-10-10)
(13)C metabolic MRI using hyperpolarized (13)C-bicarbonate enables preclinical detection of pH. To improve signal-to-noise ratio, experimental procedures were refined, and the influence of pH, buffer capacity, temperature, and field strength were investigated. Bicarbonate preparation was investigated. Bicarbonate was prepared and
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