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重要文件

203548

Sigma-Aldrich

硝酸镧(III) 六水合物

99.999% trace metals basis

同義詞:

硝酸,镧(III)盐,六水合物

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About This Item

線性公式:
La(NO3)3 · 6H2O
CAS號碼:
分子量::
433.01
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.23
化驗:
99.999% trace metals basis
形狀:
solid

品質等級

化驗

99.999% trace metals basis

形狀

solid

反應適用性

reagent type: catalyst
core: lanthanum

雜質

≤15.0 ppm Trace Rare Earth Analysis

mp

65-68 °C

SMILES 字串

[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 密鑰

GJKFIJKSBFYMQK-UHFFFAOYSA-N

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一般說明

硝酸镧六水合物是过渡金属催化剂,广泛用于许多有机转化反应,例如丙酮化合物的化学选择性脱保护,醇、酚和胺与乙酸酐的酰化,α-氨基腈类化合物的合成反应。也可作为前体制备镧基纳米粒子。

應用

硝酸镧六水合物可用作下列反应的催化剂:
  • α羰基化合物、胺类和TMSCN通过一锅三组分偶联作用合成α-氨基腈。
  • 醛合成缩醛和偕二乙酸酯(乙酰缩醛)。
  • 无溶剂条件合成双吲哚基甲烷。
也可用作起始原料,用于电化学合成LaMnO3薄膜和溶剂热法合成掺杂型硫氧化镧(La2O2S)。

特點和優勢

  • 热稳定性
  • 低毒
  • 反应条件温和
  • 化学选择性
  • 低成本

訊號詞

Danger

危險聲明

危險分類

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

儲存類別代碼

5.1B - Oxidizing hazardous materials

水污染物質分類(WGK)

WGK 2

個人防護裝備

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


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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
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
Luigi d'Aquino et al.
Chemosphere, 75(7), 900-905 (2009-02-14)
Rare earth elements (REEs) enriched fertilizers have been commonly used in China since the 1980s, thus inducing a growing concern about their environmental impact in agriculture. In this work, the effect of some light REEs nitrate mixture and La(3+) nitrate

文章

Lanthanide ions in spectral conversion enhance solar cell efficiency via photon conversion.

依賴於化石燃料和裂解燃料的熱能和電力生產策略對環境和我們的生活條件產生了負面影響。

The prevailing strategies for heat and electric-power production that rely on fossil and fission fuels are having a negative impact on the environment and on our living conditions.

Rare earth elements are vital in everyday life worldwide: catalysts in cars, colors in screens, magnets in electronics. Essential for modern living.

我們的科學家團隊在所有研究領域都有豐富的經驗,包括生命科學、材料科學、化學合成、色譜、分析等.

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