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62580

Sigma-Aldrich

Lithium perchlorate

purum p.a., ≥98.0% (calc. based on dry substance, T), powder

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Linear Formula:
LiClO4
CAS Number:
7791-03-9
Molecular Weight:
106.39
EC Number:
232-237-2
MDL number:
MFCD00011079
UNSPSC Code:
12352302
PubChem Substance ID:
329759742
NACRES:
NA.21

grade

purum p.a.

Quality Level

200

Assay

≥98.0% (calc. based on dry substance, T)

form

powder

reaction suitability

reagent type: oxidant

impurities

≤3% water

pH

6.0-9.5 (25 °C, 106.4 g/L)

mp

236 °C (lit.)

solubility

alcohol: soluble(lit.)
water: soluble(lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤200 mg/kg

cation traces

Ca: ≤100 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤500 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

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. Upon 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 and in the Baylis-Hillman coupling reaction of α,β-unsaturated carbonyl compounds with aldehydes.

Signal Word

Danger

Hazard Statements

H272,H302,H314,H335

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

易制爆化学品
危险化学品

Certificates of Analysis (COA)

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Lithium perchlorate-accelerated Baylis-Hillman reactions.
Kawamura M and Kobayashi S.
Tetrahedron Letters, 40(8), 1539-1542 (1999)
Lithium perchlorate catalyzed reactions of indoles: An expeditious synthesis of bis (indolyl) methanes.
Yadav JS, et al.
Synthesis, 2001(5), 0783-0787 (2001)
Witold Darlewski et al.
Journal of hazardous materials, 175(1-3), 460-467 (2009-11-17)
A process of dibutyl sulphide (DBS) electro-oxidation using electrolysis and cyclic voltamperometry was investigated in water-methanol solution using different electrodes (platinum, boron doped diamond, graphite and glassy carbon). Obtained results indicate that the DBS electro-oxidation process is irreversible in voltamperometric
Yu-Chuan Liu et al.
Analytica chimica acta, 584(2), 433-438 (2007-03-28)
In this work, the effect of supplemental LiClO(4) electrolytes in KCl solutions used in roughening silver substrates by electrochemical triangular-wave oxidation-reduction cycles (ORC) on surface-enhanced Raman scattering (SERS) was first investigated. To prepare SERS-active substrates by ORC procedures, electrolytes of
L H Sim et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 76(3-4), 287-292 (2010-05-07)
The interaction behaviours between components of polyacrylate (PAc)/poly(ethylene oxide) (PEO) and lithium perchlorate (LiClO(4)) were investigated in detail by Attenuated Total Reflectance (ATR)-Fourier Transformed Infrared (FTIR) spectroscopy. Solution cast films of the PAc/PEO and PAc/PEO/LiClO(4) were examined. No obvious shifting
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