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Merck
CN

62531

Lithium hydroxide monohydrate

puriss. p.a., ≥99.0% (T)

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About This Item

Linear Formula:
LiOH · H2O
CAS Number:
Molecular Weight:
41.96
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
215-183-4
MDL number:
Assay:
≥99.0% (T)
Form:
powder or crystals
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InChI key

GLXDVVHUTZTUQK-UHFFFAOYSA-M

InChI

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

SMILES string

[Li+].O.[OH-]

grade

puriss. p.a.

assay

≥99.0% (T)

form

powder or crystals

pH

12 (0.4 g/L)

anion traces

chloride (Cl-): ≤50 mg/kg, lithium carbonate (Li2CO3): ≤1%, sulfate (SO42-): ≤100 mg/kg

cation traces

Ag: ≤5 mg/kg, Al: ≤20 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤200 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Tl: ≤5 mg/kg, Zn: ≤5 mg/kg

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General description

Lithium hydroxide monohydrate is a hydrate of alkali metal hydroxide. Its IR spectral analysis has been reported. A refinement of its crystal structure has been described. Its crystals belong to the monoclinic crystal system having space group C2/m. It can be prepared by reacting Li metal with H2O, followed by the evaporation of the aqueous solution. It can be also be obtained from the basic aqueous solution of LiOH, via crystallization.

Application

Lithium hydroxide monohydrate (LiOH.H2O) may be employed as a catalyst for the melt transesterification of diphenyl carbonate and bisphenol A. Kinetics of this transesterification reaction have been investigated.

Other Notes

Reagent for the decomposition of oxides and silicates

pictograms

CorrosionExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
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Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Hydrogen bonding. VI. Structural and infrared spectral analysis of lithium hydroxide monohydrate and cesium and rubidium hydroxide hydrates.
Gennick I and Harmon KM.
Inorganic Chemistry, 14(9), 2214-2219 (1975)
Refinement of the crystal structure of lithium hydroxide monohydrate.
Alcock NW.
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, 27(8), 1682-1683 (1971)
Kinetics of melt transesterification of diphenyl carbonate and bisphenol A to polycarbonate with lithium hydroxide monohydrate catalyst.
Kim Y, et al.
Industrial & Engineering Chemistry Research, 31(9), 2118-2127 (1992)

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