• 1. Enabling non-flammable Li-metal batteries via electrolyte functionalization and interface engineering?
  Jing Yu,Yu-Qi Lyu,Jiapeng Liu,Mohammed B. Effat,Junxiong Wu J. Mater. Chem. A, 2019,7, 17995-18002
• 2. EWOD-driven droplet microfluidic device integrated with optoelectronic tweezers as an automated platform for cellular isolation and analysis?
  Gaurav J. Shah,Eric P.-Y. Chiou,Ming C. Wu,Chang-Jin “CJ” Kim Lab Chip, 2009,9, 1732-1739
• 3. Ester-directed orthogonal dual C–H activation and ortho aryl C–H alkenylation via distal weak coordination?
  Manickam Bakthadoss,Tadiparthi Thirupathi Reddy,Vishal Agarwal,Duddu S. Sharada Chem. Commun., 2022,58, 1406-1409
• 4. Establishing new scaling relations on two-dimensional MXenes for CO2 electroreduction?
  Albertus D. Handoko,Khoong Hong Khoo,Teck Leong Tan,Hongmei Jin,Zhi Wei Seh J. Mater. Chem. A, 2018,6, 21885-21890
• 5. Emulsion technologies for multicellular tumour spheroid radiation assays?
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• Catalysts and Inorganic Chemicals Inorganic Compounds Mixed metal/non-metal compounds Transition metal oxoanionic compounds Transition metal hydroxides
• Catalysts and Inorganic Chemicals Inorganic Compounds Salt
• Catalysts and Inorganic Chemicals Inorganic Compounds

Cadmium Hydroxide (CAS No. 21041-95-2): A Comprehensive Overview

Cadmium hydroxide, with the chemical formula Cd(OH)₂, is a compound of significant interest in the field of inorganic chemistry and materials science. Its CAS number, 21041-95-2, uniquely identifies it in scientific literature and industrial applications. This compound, known for its amphoteric nature, exhibits both basic and acidic properties, making it a versatile material in various chemical processes. The following discussion delves into the properties, applications, and recent research developments surrounding cadmium hydroxide.

The structure of cadmium hydroxide consists of cadmium ions (Cd²⁺) coordinated with hydroxide ions (OH^-). It typically appears as a white or light yellow powder, which is insoluble in water but soluble in acids and certain organic solvents. This solubility profile is crucial for its use in chemical synthesis and as a precursor for other cadmium-based compounds.

In recent years, cadmium hydroxide has garnered attention for its potential applications in catalysis. Studies have shown that it can act as a catalyst or a co-catalyst in various organic transformations. For instance, its ability to facilitate the decomposition of organic pollutants under mild conditions has been explored in environmental chemistry research. The compound's surface properties, such as its high surface area and reactive sites, contribute to its effectiveness in these catalytic processes.

Another emerging field where cadmium hydroxide is making strides is in the realm of nanotechnology. Researchers have been investigating the synthesis of cadmium hydroxide nanoparticles (Cd(OH)₂ NPs) due to their unique size-dependent properties. These nanoparticles have shown promise in applications such as drug delivery systems, where their ability to encapsulate and release bioactive molecules in a controlled manner is highly valuable. Additionally, their luminescent properties make them suitable for use in biosensors and imaging techniques.

The amphoteric nature of cadmium hydroxide also lends itself to applications in corrosion inhibition. In industrial settings, where metal degradation is a significant concern, cadmium hydroxide has been studied as a potential inhibitor for steel and other metal surfaces. Its ability to form stable complexes with metal ions helps protect against oxidative damage, thereby extending the lifespan of metal structures.

Recent advancements in materials science have also highlighted the role of cadmium hydroxide in energy storage devices. Specifically, its use as an electrode material in supercapacitors and rechargeable batteries has been explored. The compound's high electrical conductivity and stability under various conditions make it a promising candidate for enhancing the performance of these energy storage systems.

In the context of environmental science, the behavior of cadmium hydroxide in aquatic systems has been extensively studied. Its interaction with water molecules and other ions influences its solubility and mobility, which are critical factors in assessing its environmental impact. Research has focused on understanding how changes in pH and temperature affect its dissolution kinetics, providing insights into its fate and transport in natural ecosystems.

The synthesis methods for obtaining high-purity cadmium hydroxide are another area of active research. Techniques such as precipitation from aqueous solutions, hydrothermal synthesis, and sol-gel methods have been optimized to produce crystals with specific morphologies and sizes. These tailored materials exhibit enhanced properties suitable for targeted applications.

Economic considerations also play a role in the industrial production of cadmium hydroxide. The cost-effectiveness of different synthesis routes compared to alternative precursors is often evaluated to determine the most viable commercial processes. Additionally, efforts are being made to develop more sustainable methods that minimize waste generation and energy consumption.

The safety profile of handling cadmium hydroxide, while not classified as hazardous under normal conditions, remains an important consideration due to its potential toxicity at higher concentrations. Proper handling protocols are essential to prevent exposure during synthesis, processing, and application stages. This includes using personal protective equipment (PPE) and ensuring adequate ventilation in workspaces.

In conclusion, Cadmium Hydroxide (CAS No. 21041-95-2) is a multifaceted compound with diverse applications spanning catalysis, nanotechnology, corrosion inhibition, energy storage, environmental science, and materials engineering. The ongoing research into its properties and potential uses underscores its significance as a material with broad industrial relevance.

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