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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)

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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J Tyler Mefford et al.
Physical chemistry chemical physics : PCCP, 21(6), 3327-3338 (2019-01-29)
Perovskite oxides are active room-temperature bifunctional oxygen electrocatalysts in alkaline media, capable of performing the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) with lower combined overpotentials relative to their precious metal counterparts. However, their semiconducting nature necessitates the
Emanuela Mazzon et al.
Shock (Augusta, Ga.), 25(5), 515-521 (2006-05-09)
Small intestine permeability is frequently altered in inflammatory bowel diseases and may be caused by the translocation of intestinal toxins through leaky small intestine tight junctions (TJs) and adherence. Thus, the aim of the present study was to examine the
H G Nóblega et al.
Comparative biochemistry and physiology. Part A, Molecular & integrative physiology, 144(1), 119-124 (2006-04-11)
The aim of this study was to investigate the ultrastructure of the interface zone between the nervous tissue and the connective vascular sheath that surround the central ganglia of the terrestrial snail of Megalobulimus abbreviatus and test its permeability using
X Hua et al.
Placenta, 30(9), 780-784 (2009-07-31)
To evaluate the effects of contrast-enhanced ultrasound (CEU) on the permeability of placental barrier primarily. A total of 60 pregnant Sprague Dawley (SD) rats were divided into 10 groups, including six groups of microbubbles-enhanced ultrasound (varied mechanical index (MI) of
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