CAS 14985-18-3 Zirconium(IV) oxynitrate hydrate - Analytical Products / Alfa Chemistry

CAT	AP14985183
CAS	14985-18-3
Structure
MDL Number	MFCD00149896
Molecular Weight	231.23 (anhydrous basis)
EC Number	237-529-3
InChI Key	BGMQNYCWALSARE-UHFFFAOYSA-N

Linear Formula

ZrO(NO3)2 · xH2O

Characterization of Phase Evolution, Microstructure and Electrical Properties of Sol-Gel Auto-Combustion Derived BCZT Ceramics

Piyaporn Jaimeewong, Piyalak Ngernchuklin, Napatporn Promsawat, Soodkhet Pojprapai, Sukanda Jiansirisomboon, Methee Promsawat, Anucha Watcharapasorn

J Nanosci Nanotechnol. 2018 Jun 1;18(6):4230-4235.

PMID: 29442767

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CAT	Size	Form	Description	Price
AP14985183-1	5G, 100G, 500G	powder and chunks	99%	Inquiry
AP14985183-2	100G, 500G	powder	technical grade	Inquiry
AP14985183-3	10G, 50G	powder	99.99% trace metals basis	Inquiry

Case Study

Zirconium Dinitrate Oxide Hydrate Used for the Synthesis of Zr/Ce UiO-66 Solid Solutions via Microwave-Assisted Method

Appelhans, Leah N., et al. Microporous and Mesoporous Materials 323 (2021): 111133.

Zirconium dinitrate oxide hydrate has been successfully employed as a key zirconium precursor in the synthesis of Zr/Ce mixed-metal UiO-66-type metal-organic framework (MOF) thin films. In a study inspired by the method developed by Lammert et al., this compound enabled the formation of a Zr/Ce solid solution through a rapid, microwave-assisted solvothermal approach.
The synthesis involves the preparation of equimolar aqueous solutions of zirconium dinitrate oxide hydrate and cerium ammonium nitrate, which are subsequently combined with 1,4-benzenedicarboxylic acid dissolved in DMF and formic acid as modulator. The reaction mixture is subjected to microwave irradiation at 100 °C for 15 minutes, yielding MOF thin films on solid substrates. By varying the Ce:Zr ratios, the incorporation of both metal ions into the UiO-66 framework was achieved, forming homogeneous solid solutions.
This method demonstrates the suitability of zirconium dinitrate oxide hydrate for producing mixed-metal MOFs with tunable properties. The use of microwave-assisted synthesis provides significant advantages in terms of reaction speed and film quality, highlighting the compound's role in facilitating efficient and scalable MOF fabrication. The resulting Zr/Ce UiO-66 materials hold potential in catalysis, gas storage, and electronic applications due to their structural versatility and compositional tunability.

Zirconium Dinitrate Oxide Hydrate Used for the Synthesis of BaCe₀.₄Zr₀.₄Gd₀.₂O₃-δ Proton-Conducting Perovskite Oxide

Igenegbai, Valentina Omoze, Randall J. Meyer, and Suljo Linic. Applied Catalysis B: Environmental 230 (2018): 29-35.

Zirconium dinitrate oxide hydrate (ZrO(NO₃)₂·xH₂O, 99.9%) serves as a crucial zirconium source in the synthesis of proton-conducting perovskite-type oxides such as BaCe₀.₄Zr₀.₄Gd₀.₂O₃-δ (BCZG). These materials are of growing interest for their excellent chemical stability and high proton conductivity, making them promising candidates for intermediate-temperature solid oxide fuel cells (IT-SOFCs) and hydrogen separation membranes.
In a modified Pechini synthesis approach, zirconium dinitrate oxide hydrate is dissolved along with cerium(III) nitrate hexahydrate and gadolinium(III) nitrate hexahydrate in deionized water to form a homogeneous metal nitrate solution. This solution (Solution B) is then dropwise added to a preformed Ba-EDTA complex solution (Solution A), followed by the addition of ethylene glycol to promote polyesterification. The reaction mixture is polymerized and gelled at 353 K, then subjected to two-step calcination: initially at 523 K to remove organics and finally at 1273 K to yield phase-pure perovskite oxide.
The incorporation of zirconium through zirconium dinitrate oxide hydrate enhances the chemical durability of the material in CO₂- and H₂O-rich environments, while maintaining the proton conduction pathway facilitated by the doped rare-earth elements. This highlights the importance of Zr precursors in tuning both the stability and conductivity of proton-conducting ceramics.

Zirconium Dinitrate Oxide Hydrate Used for the Preparation of Sulfated TiO₂-ZrO₂ Catalysts via Modified Coprecipitation

Njagi, Eric C., et al. Microporous and Mesoporous Materials 202 (2015): 68-72.

Zirconium dinitrate oxide hydrate (ZrO(NO₃)₂·xH₂O) plays a critical role as a zirconia precursor in the synthesis of sulfated TiO₂-ZrO₂ catalysts through a modified coprecipitation method. In this process, zirconium dinitrate oxide hydrate is first dissolved in distilled deionized water and then combined with a titanium oxysulfate-sulfuric acid complex hydrate solution. The mixed solution undergoes pH-controlled coprecipitation by gradual addition of ammonium hydroxide until reaching a basic range (pH 9-10). The precipitate is aged for 24 hours under continuous stirring to ensure uniform nucleation and phase development.
Post-precipitation, the solid is filtered, oven-dried at 110 °C, ground, and finally calcined in air at 500 °C for 3 hours to yield the desired solid acid catalysts. The zirconium content is tuned across samples (TZ10-TZ50), reflecting the proportion of ZrO₂ incorporated into the TiO₂ framework. These mixed metal oxide catalysts benefit from improved thermal stability, surface acidity, and catalytic performance due to synergistic interactions between Ti and Zr species.
This method underscores the importance of zirconium dinitrate oxide hydrate in tailoring the physicochemical properties of solid acid catalysts, making it highly suitable for applications in acid-catalyzed transformations, such as alkylation, isomerization, and esterification reactions.