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203548

Sigma-Aldrich

Lanthanum(III) nitrate hexahydrate

99.999% trace metals basis

Synonym(s):

Nitric acid, lanthanum (III) salt, hexahydrate

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About This Item

Linear Formula:
La(NO3)3 · 6H2O
CAS Number:
10277-43-7
Molecular Weight:
433.01
EC Number:
233-238-0
MDL number:
MFCD00149751
UNSPSC Code:
12352302
PubChem Substance ID:
24852179
NACRES:
NA.23

Assay

99.999% trace metals basis

form

solid

reaction suitability

reagent type: catalyst
core: lanthanum

impurities

≤15.0 ppm Trace Rare Earth Analysis

mp

65-68 °C

SMILES string

[La+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/La.3NO3.6H2O/c;3*2-1(3)4;;;;;;/h;;;;6*1H2/q+3;3*-1;;;;;;

InChI key

GJKFIJKSBFYMQK-UHFFFAOYSA-N

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General description

Lanthanum(III) nitrate hexahydrate is a transition metal catalyst widely used in many organic transformations such as chemoselective deprotection of acetonides, acetylation of alcohols, phenols, and amines with acetic anhydride, and synthesis of α-amino nitriles. It can also be used as a precursor in the preparation of lanthanum-based nanoparticles.

Application

Lanthanum(III) nitrate hexahydrate can be used as a catalyst in the synthesis of:
  • α-aminonitriles by a one-pot three-component coupling of the carbonyl compound, amine, and TMSCN.
  • Acetals and geminal diacetates (acylals)from aldehydes.
  • Bis(indolyl) methanes under solvent‐free conditions.
It can also be used as a starting material for the electrochemical synthesis of LaMnO3 thin films and solvothermal synthesis of doped lanthanide oxysulfide (La2O2S).

Features and Benefits

  • Thermal stability
  • Low toxicity
  • Mild reaction condition
  • Chemoselectivity
  • Low cost

Signal Word

Danger

Hazard Statements

H272,H318,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Ox. Sol. 2

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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