392219

Cer(III)-nitrat Hexahydrat

99.99% trace metals basis

• Synonym(e): Certrinitrat, Salpetersäure-Cersalz
• Lineare Formel: Ce(NO₃)₃ · 6H₂O
• CAS-Nummer: 10294-41-4
• Molekulargewicht: 434.22
• EG-Nummer: 233-297-2
• MDL-Nummer: MFCD00149631
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 24864435
• NACRES: NA.23

Eigenschaften

• Qualitätsniveau: 100
• Assay: 99.99% trace metals basis
• Form: crystals and lumps
• Eignung der Reaktion: reagent type: catalyst; core: cerium
• Verunreinigungen: ≤150.0 ppm Trace Rare Earth Analysis
• SMILES String: [Ce+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/Ce.3NO3.6H2O/c;3*2-1(3)4;;;;;;/h;;;;6*1H2/q+3;3*-1;;;;;;
• InChIKey: QQZMWMKOWKGPQY-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Cerium (III) nitrate hexahydrate is a white-to-yellowcrystalline salt, which is hygroscopic and air-sensitive. Cerium (III) nitratehexahydrate is highly soluble in water, alcohol, and acetone. Cerium (III)nitrate hexahydrate melts at 57 °C and begins to thermally decompose at190 °Cwith complete decomposition to the oxide by 400 °C.

Anwendung

Cerium (III) nitrate hexahydrate is widely used as a sourceof cerium, especially in the synthesis of micro- or nano-structured ceria(cerium oxide). Researchers leverage the high solubility and low decompositiontemperature of cerium (III) nitrate hexahydrate in hydrothermal reactions,sol-gel processing, and co-precipitation/calcination reactions to synthesizeceria and cerium-compounds. For example, for one study materials scientistsprepared a two-dimensional cobalt-doped ceria nanosheet by co-precipitating andcalcining cerium nitrate and cobalt acetate. As another example, researchersused the high solubility of cerium nitrate to grow crystals of two-dimensionalrare-earth double perovskites. Researchers have also used cerium nitrate to formcomposites, such as graphene-ceria nanoparticle composites and TiO₂/CeO₂nanocomposites, utilizing cerium’s (III/IV) redox chemistry forlight-absorption and photocatalysis. One example, that shows the maturematerials engineering of cerium (III) nitrate chemistry, is a study that uses acalcium-doped cerium nanotube composite with lithiumbis(trifluoromethanesulfonyl)imide (LiTFSI) poly(ethylene oxide) for asolid-state lithium-ion electrolyte. The Ca-CeO₂ nanotubes, which achievehigher concentrations of oxygen vacancies than undoped CeO₂, were made byelectrospinning from a solution of cerium nitrate and calcium nitrate withpolyvinylpyrrolidone, which is removed by pyrolysis in a final calcination.

Sicherheitshinweise

• Piktogramme: GHS05,GHS09
• Signalwort: Danger
• H-Sätze: H318,H410
• P-Sätze: P273 - P280 - P305 + P351 + P338 - P391 - P501
• Gefahreneinstufungen: Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1
• Lagerklassenschlüssel: 5.1B - Oxidizing hazardous materials
• WGK: WGK 2
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges