Lanthanum Nitrate Hexahydrate

Lanthanum nitrate hexahydrate powder is a white or colourless crystalline powder, easily soluble in water and alcohol, with deliquescence, often used in the manufacture of ternary catalysts, optical glass, ceramic capacitor additives, magnetic materials, analytically pure chemical reagents.

Properties

Appearance: Lanthanum nitrate hexahydrate white crystalline powder or crystal.

Melting point: 69.9°C

Boiling point: 126°C (will decompose at 1013 hPa).

Solubility: Soluble in water, also soluble in anhydrous amines, ethanol, acetone and other polar solutions.

Refractive index: 1.449.

Hygroscopicity: deliquescent, easily absorbs moisture in air.

Molecular formula: La (NO₃)₃・6H₂O

Molecular weight is 433.01

Thermal stability: decomposition occurs when heated above the melting point, generating alkali salts and other products.

Oxidation: Lanthanum nitrate hexahydrate is an oxidising agent and may undergo redox reactions when in contact with reducing agents, e.g. it may react violently with combustible substances when heated or under other triggering conditions.

Hydrolysis: its aqueous solution is acidic, because nitrate ions will be hydrolysed in water, making the solution acidic.

Complexation: Lanthanum ions have a certain complexing ability and can form complexes with some ligands. For example, in analytical chemistry, its complexation properties can be used for quantitative analysis.

Application

Manufacture of ternary catalysts: It plays an important role in catalytic reactions such as automobile exhaust purification, which can effectively promote the conversion of harmful gases and reduce the pollution of exhaust gases to the environment.

Optical glass production: lanthanum nitrate hexahydrate is added to the manufacture of optical glass, which can increase the refractive index of the glass, improve the optical properties of the glass, and is used in the manufacture of a variety of optical lenses, lenses and so on.

Ceramic capacitor additives: can improve the electrical properties of ceramic capacitors, improve the stability and reliability of capacitors, widely used in electronic circuits in capacitive components.

Catalyst for petroleum refining: It helps to improve the catalytic efficiency in the process of petroleum refining, promotes the separation and transformation of various components in crude oil, and improves the quality of petroleum products.

Manufacture of steam lamp shade: Lanthanum nitrate hexahydrate is used as raw material for the production of steam lamp shade, which makes the steam lamp emit brighter light.

Manufacture of phosphor: Lanthanum nitrate hexahydrate is used to prepare phosphor, which is able to emit light of specific colours under the excitation of ultraviolet rays and other excitations, and is used in fluorescent lamps, display screens and other fields.

Cemented carbide and refractory metal processing: used as an additive to improve the properties of materials in the production of cemented carbide and refractory metals.

Chemical reagent: as a common reagent in chemical experiments, it is used in the research and analysis of various chemical reactions, for example, as a precipitant, oxidising agent and so on.

Material science research: lanthanum nitrate hexahydrate is used to study the synthesis and properties of new materials, such as in the research of nanomaterials, superconducting materials and other fields, lanthanum nitrate hexahydrate can be used as raw materials or additives.