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C8518

Sigma-Aldrich

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)
EC Number:
244-344-1
MDL number:
MFCD00149664
UNSPSC Code:
12352302
PubChem Substance ID:
57654048
NACRES:
NA.23

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.)

SMILES string

O.[OH-].[Cs+]

InChI

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

InChI key

ABSOMGPQFXJESQ-UHFFFAOYSA-M

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

Signal Word

Danger

Hazard Statements

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1A

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 3

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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Cesium hydroxide catalyzed addition of alcohols and amine derivatives to alkynes and styrene
Dimitrios T, et al.
Tetrahedron Letters, 40(34), 6193-6195 (1999)
Atomic structure of a cesium aluminosilicate geopolymer: a pair distribution function study.
Bell J, et al.
Chemistry of Materials, 20(14), 4768-4776 (2008)
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)
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)
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)
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