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Merck

C8518

Cesium hydroxide hydrate

≥90%, ≥99.5% (metals basis)

Synonym(s):

Cesium hydroxide monohydrate

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About This Item

Empirical Formula (Hill Notation):
HCsO · xH2O
CAS Number:
12260-45-6
Molecular Weight:
149.91 (anhydrous basis)
NACRES:
NA.23
PubChem Substance ID:
57654048
UNSPSC Code:
12352302
EC Number:
244-344-1
MDL number:
MFCD00149664
Assay:
≥90%
≥99.5% (metals basis)
Form:
powder, crystals or chunks

Key Documents

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Product Name

Cesium hydroxide hydrate, ≥90%, ≥99.5% (metals basis)

InChI key

ABSOMGPQFXJESQ-UHFFFAOYSA-M

InChI

1S/Cs.2H2O/h;2*1H2/q+1;;/p-1

SMILES string

O.[OH-].[Cs+]

assay

≥90%
≥99.5% (metals basis)

form

powder, crystals or chunks

impurities

≤5% Cs2CO3

mp

272 °C (lit.)

density

3.68 g/mL at 25 °C (lit.)

Quality Level

100

Related Categories

Application

Cesium hydroxide hydrate (CsOH.H2O) can be used in the preparation of lithium substituted cesium and cesium aluminosilicate based geopolymer as potential refractory materials. It can also be used in the synthesis of cesium structures of 1,8-naphthalimides substituted carboxylic ligands.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1A

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX7622
MKCW6523
MKCS7392
MKCT9240
MKCT0020

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Cesium hydroxide catalyzed addition of alcohols and amine derivatives to alkynes and styrene
Dimitrios T, et al.
Tetrahedron Letters, 40(34), 6193-6195 (1999)
Cesium complexes of naphthalimide substituted carboxylate ligands: Unusual geometries and extensive cation-$\pi$ interactions
Reger DL, et al.
Journal of Molecular Structure, 1091(14), 31-36 (2015)
Atomic structure of a cesium aluminosilicate geopolymer: a pair distribution function study.
Bell J, et al.
Chemistry of Materials, 20(14), 4768-4776 (2008)
Thermal evolution of lithium ion substituted cesium-based geopolymer under high temperature treatment, Part I: Effects of holding temperature
Yuan J, et al.
Ceramics International, 44(9), 10047-10054 (2018)
XRD Analysis of the Role of Cesium in Sodium-Based Geopolymer.
Chlique C, et al.
Journal of the American Ceramic Society. American Ceramic Society, 98(4), 1308-1313 (2015)
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