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203548

Sigma-Aldrich

Lanthanum(III) nitrate hexahydrate

99.999% trace metals basis

Sinonimo/i:

Nitric acid, lanthanum (III) salt, hexahydrate

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About This Item

Formula condensata:
La(NO3)3 · 6H2O
Numero CAS:
10277-43-7
Peso molecolare:
433.01
Numero CE:
233-238-0
Numero MDL:
MFCD00149751
Codice UNSPSC:
12352302
ID PubChem:
24852179
NACRES:
NA.23

Saggio

99.999% trace metals basis

Forma fisica

solid

Impiego in reazioni chimiche

reagent type: catalyst
core: lanthanum

Impurezze

≤15.0 ppm Trace Rare Earth Analysis

Punto di fusione

65-68 °C

Stringa SMILE

[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;;;;;;
GJKFIJKSBFYMQK-UHFFFAOYSA-N

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Descrizione generale

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.

Applicazioni

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).

Caratteristiche e vantaggi

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

Avvertenze

Danger

Indicazioni di pericolo

H272,H318,H410

Classi di pericolo

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

Codice della classe di stoccaggio

5.1B - Oxidizing hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 2

Dispositivi di protezione individuale

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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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
Wen-Feng Zhao et al.
Dalton transactions (Cambridge, England : 2003), 41(33), 10091-10096 (2012-08-02)
The reaction between polyoxometalate (POM) [TBA](12)[WZn{Zn(H(2)O)}(2)(ZnW(9)O(34))(2)] (TBA = tetrabutyl ammonium) and lanthanide (Ln) nitrate (Ln = La, Eu and Tb) in a mixed solvent of CH(3)CN and DMF yielded three noncentrosymmetric diamondoid Ln-POM solid materials, {[Ln(2)(DMF)(8)(H(2)O)(6)][ZnW(12)O(40)]}·4DMF (Ln-POM; Ln = La
L P Lopatina et al.
Biofizika, 50(6), 1120-1124 (2005-12-20)
The influence of lanthanoids on exocytosis was investigated. It was shown that gadolinium increases the spontaneous release of the glutamate nonmetabolizing analogue [3H]D-aspartate. It was established using the fluorescent dye acridine orange that gadolinium and lanthanum induce exocytosis. The effect
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
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Journal of andrology, 28(5), 784-797 (2007-05-25)
Past studies have shown that the epithelial lining of the epididymis in adult mice deficient in protective protein cathepsin A (PPCA -/-) becomes swollen and vacuolated as a result of an accumulation of pale lysosomes, some very large, in addition
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