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Merck

205281

Sigma-Aldrich

Lithium perchlorate

ACS reagent, ≥95.0%

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About This Item

Fórmula lineal:
LiClO4
Número de CAS:
Peso molecular:
106.39
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

assay

≥95.0%

form

powder, chunks or granules

reaction suitability

reagent type: oxidant

impurities

≤0.005% insolubles

pH

6.0-7.5 (25 °C, 5%)

mp

236 °C (lit.)

anion traces

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.001%

cation traces

Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

[Li+].[O-]Cl(=O)(=O)=O

InChI

1S/ClHO4.Li/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1

InChI key

MHCFAGZWMAWTNR-UHFFFAOYSA-M

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General description

Lithium perchlorate (LiClO4) is a colorless lithium salt. On the crystallization from its aqueous solution, it affords lithium perchlorate trihydrate (LiClO4.3H2O). It can be synthesized by reacting lithium chloride with perchloric acid.

Application

Lithium perchlorate (LiClO4) may be used as a catalyst in the synthesis of bis(indolyl)methanes.
Lithium perchlorate may be used to catalyze:
  • The acylation of hindered alcohols and phenols under solvent-free conditions.
  • 1,4-Conjugate addition of O-silylated ketene acetals to hindered αβ,-unsaturated carbonyl system.
  • The protection of amine groups as N-Boc derivatives via tert-butoxycarbonylation.
  • Synthesis of α-aminophosphonates under solvent free conditions.
When used as a co-catalyst, accelerates the Baylis-Hillman reaction, the coupling of α,β-unsaturated carbonyls with aldehydes.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Ox. Sol. 2 - Skin Corr. 1A - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

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Lithium Perchlorate-Catalyzed Boc Protection of Amines and Amine Derivatives.
Heydari A and Hosseini SE.
Advanced Synthesis & Catalysis, 347(15), 1929-1932 (2005)
Lithium perchlorate catalyzed acetylation of alcohols under mild reaction conditions.
Nakae Y, et al.
Synlett, 2001(10), 1584-1586 (2001)
Lithium Perchlorate-Catalyzed Three-Component Coupling: A Facile and General Method for the Synthesis of a-Aminophosphonates under Solvent-Free Conditions.
Azizi N and Saidi MR.
European Journal of Organic Chemistry, 2003(23), 4630-4633 (2003)
Lithium perchlorate catalyzed conjugate addition of O-silylated ketene acetals to hindered a, ?-unsaturated carbonyl compounds at atmospheric pressure.
Grieco PA, et al.
Tetrahedron Letters, 32(36), 4665-4668 (1991)
Lithium perchlorate catalyzed reactions of indoles: An expeditious synthesis of bis (indolyl) methanes.
Yadav JS, et al.
Synthesis, 2001(5), 0783-0787 (2001)

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