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Merck
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文件

L4000

Sigma-Aldrich

氧化镧(III)

≥99.9%

别名:

三氧化二镧, 三氧化镧

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About This Item

线性分子式:
La2O3
CAS号:
1312-81-8
分子量:
325.81
EC號碼:
215-200-5
MDL號碼:
MFCD00011071
分類程式碼代碼:
12352303
PubChem物質ID:
57654328
NACRES:
NA.23

化驗

≥99.9%

形狀

powder

反應適用性

reagent type: catalyst
core: lanthanum

密度

6.51 g/mL at 25 °C (lit.)

應用

battery manufacturing

SMILES 字串

O=[La]O[La]=O

InChI

1S/2La.3O

InChI 密鑰

KTUFCUMIWABKDW-UHFFFAOYSA-N

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相关类别

一般說明

La2O3是一种宽带隙p型半导体，也称为倍半氧化镧。它是唯一具有空Ln-4f外壳的镧系氧化物，广泛用于制备光学材料、电介质和导电陶瓷。La2O3也可用作许多有机转化的催化剂。

應用

氧化镧（III）提高了玻璃的耐碱性能，由于高折射率和低色散，被广泛应用于照相机和望远镜透镜、红外吸收玻璃和其他特种光纤的制备。例如，可作为起始材料制备用于诊断X射线屏蔽的La2O3-CaO-B2O3-SiO2玻璃。

可用于制备热膨胀系数高、导热系数低的热障涂料。

还可用作合成二苯基硫化物和硒化物的可循环催化体系。
LAMOX 快离子导体和超导体的前体。

特點和優勢

  • 高折射率
  • 热稳定性
  • 硬度
  • 高介电常数

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

分析证书(COA)

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Yuhui Ma et al.
Nanotoxicology, 5(4), 743-753 (2011-01-26)
With the increasing applications of metal-based nanoparticles in various commercial products, it is necessary to address their environmental fate and potential toxicity. In this work, we assessed the phytotoxicity of lanthanum oxide (La₂O₃) NPs to cucumber plants and determined its
Anita J Vincent-Johnson et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(3), 035901-035901 (2012-12-12)
Upon excitation in thin oxide films by infrared radiation, radiative polaritons are formed with complex angular frequency ω, according to the theory of Kliewer and Fuchs (1966 Phys. Rev. 150 573). We show that radiative polaritons leak radiation with frequency
Tiziano Montini et al.
ChemSusChem, 3(5), 619-628 (2010-04-28)
Glycerol is the main byproduct of biodiesel production and its increased production volume derives from the increasing demand for biofuels. The conversion of glycerol to hydrogen-rich mixtures presents an attractive route towards sustainable biodiesel production. Here we explored the use
Lixia Wang et al.
Journal of hazardous materials, 196, 342-349 (2011-09-29)
This investigation was to increase the adsorption capacity of magnetite for Congo red (CR) by adulterating a small quantity of La(3+) ions into it. The adsorption capability of nanocrystalline Fe(3-x)La(x)O(4) (x=0, 0.01, 0.05, 0.10) ferrite to remove CR from aqueous
Lukas C Gerber et al.
Chemical communications (Cambridge, England), 48(32), 3869-3871 (2012-03-14)
Lanthanum oxide nanoparticles were utilized to scavenge phosphate from microbial growth media for the use of targeted nutrient starvation as an antimicrobial strategy. Only in phosphate poor environments a toxic effect was observed. The effect was shown on Escherichia coli
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