Cas no 7790-85-4 (Cadmium tungsten oxide (CdWO4))

Cadmium tungsten oxide (CdWO4) is an inorganic compound with a monoclinic wolframite structure, known for its high density (7.9 g/cm3) and excellent scintillation properties. It exhibits strong X-ray and gamma-ray absorption, making it valuable in radiation detection applications, such as medical imaging and nuclear spectroscopy. CdWO4 crystals are characterized by high light yield, low afterglow, and good radiation hardness, ensuring reliable performance in harsh environments. Additionally, its chemical stability and resistance to moisture enhance its durability in detector systems. The material’s combination of optical clarity and mechanical robustness further supports its use in precision scintillation devices.
Cadmium tungsten oxide (CdWO4) structure
7790-85-4 structure
Product Name:Cadmium tungsten oxide (CdWO4)
CAS No:7790-85-4
MF:CdO4W
MW:360.248600006104
CID:566668
PubChem ID:24864987
Update Time:2025-05-21

Cadmium tungsten oxide (CdWO4) Chemical and Physical Properties

Names and Identifiers

    • Cadmium tungsten oxide (CdWO4)
    • Cadmium tungstate
    • cadmium - dihydroxy(dioxo)tungsten (1:1)
    • Cadmium tungsten oxide
    • cadmium wolframate
    • cadmium(+2) cation
    • oxygen(-2) anion
    • tungsten
    • CWO
    • Sec Cadmium tungstate(VI)
    • cadmiumtungstenoxide(cdwo4)
    • CADMIUM TUNGSTATE, 99.97%
    • cadmium tungstate(VI)
    • Inchi: 1S/Cd.4O.W/q+2;;;2*-1;
    • InChI Key: OUMLAYUZCYYIOD-UHFFFAOYSA-N
    • SMILES: [W]([O-])([O-])(=O)=O.[Cd+2]

Computed Properties

  • Exact Mass: 361.83400
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 3
  • Rotatable Bond Count: 0
  • Complexity: 85.2
  • Covalently-Bonded Unit Count: 2
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: nothing

Experimental Properties

  • Color/Form: White or yellow fluorescent crystals with wolframite structure
  • Density: 7.9 g/cm3
  • Melting Point: 1325°C
  • Solubility: insoluble in H2O, acid solutions; sNH2OH 4
  • PSA: 80.26000
  • LogP: -0.47770
  • Merck: 13,1630
  • Solubility: Soluble in ammonium hydroxide and cyanide base solution, almost insoluble in water or dilute acid. Irritating

Cadmium tungsten oxide (CdWO4) Security Information

  • Symbol: GHS07
  • Signal Word:Warning
  • Hazard Statement: H302,H315,H319,H335
  • Warning Statement: P261,P305+P351+P338
  • Hazardous Material transportation number:UN 2570 6.1/PG 3
  • WGK Germany:3
  • Hazard Category Code: 20/21/22-36/37/38-50/53
  • Safety Instruction: S60-S61
  • Hazardous Material Identification: Xn N
  • HazardClass:6.1(b)
  • PackingGroup:III
  • Packing Group:III
  • Hazard Level:6.1(b)
  • Safety Term:6.1(b)
  • Packing Group:III
  • Risk Phrases:R20/21/22; R50/53

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Cadmium tungsten oxide (CdWO4) Related Literature

Additional information on Cadmium tungsten oxide (CdWO4)

Comprehensive Overview of Cadmium Tungsten Oxide (CdWO4) (CAS No. 7790-85-4)

Cadmium tungsten oxide (CdWO4), with the CAS number 7790-85-4, is a highly specialized inorganic compound known for its unique optical and structural properties. This material belongs to the family of tungstates and has garnered significant attention in both industrial and scientific communities due to its exceptional performance in applications such as scintillation detectors, photocatalysis, and advanced ceramics. The compound's chemical stability, high density, and radiation resistance make it a preferred choice for niche applications where precision and durability are paramount.

One of the most notable characteristics of CdWO4 is its scintillation properties. When exposed to ionizing radiation, it emits visible light, making it invaluable in medical imaging, particularly in computed tomography (CT) scanners and other diagnostic equipment. Researchers are increasingly exploring ways to enhance its luminescence efficiency, a topic frequently searched in academic databases and AI-driven research tools. The compound's ability to function under high-energy conditions without degradation aligns with the growing demand for reliable materials in next-generation imaging technologies.

Beyond medical applications, cadmium tungsten oxide is also studied for its potential in photocatalytic processes. With the global focus on sustainable energy and environmental remediation, scientists are investigating how CdWO4 can be optimized for water splitting and pollutant degradation. Recent studies highlight its bandgap engineering and surface modification as key areas of innovation, addressing common search queries like "how to improve photocatalyst efficiency" or "best materials for solar-driven reactions." These efforts underscore the compound's versatility in addressing modern environmental challenges.

The synthesis of CdWO4 typically involves solid-state reactions or hydrothermal methods, with researchers continually refining these processes to achieve higher purity and crystallinity. A frequently asked question in material science forums revolves around "optimizing CdWO4 crystal growth," reflecting the compound's technical complexity. Advances in nanotechnology have further expanded its utility, enabling the production of nanostructured CdWO4 for enhanced surface-area-dependent applications, such as sensors or energy storage devices.

In the realm of advanced ceramics, cadmium tungsten oxide is valued for its thermal and mechanical robustness. Industries requiring high-performance materials—such as aerospace or electronics—often explore its integration into composite systems. Searches for "high-temperature-resistant ceramics" or "materials for extreme environments" frequently lead to discussions about CdWO4, emphasizing its relevance in cutting-edge engineering solutions.

Despite its advantages, the handling and application of CdWO4 require careful consideration of its physicochemical properties. For instance, its performance in optical devices depends heavily on defect control and doping strategies, topics that dominate scholarly debates and patent filings. The compound's role in emerging technologies, such as quantum dot synthesis or radiation shielding, also fuels ongoing research, aligning with trending searches like "future of scintillation materials."

In summary, cadmium tungsten oxide (CdWO4) (CAS No. 7790-85-4) represents a multifaceted material with broad applicability across high-tech industries. Its combination of optical excellence, chemical resilience, and adaptability to nanoscale engineering positions it as a critical component in solving contemporary scientific and industrial challenges. As innovation accelerates, the demand for deeper insights into this compound—from synthesis to application—will continue to grow, making it a staple in both academic literature and industrial R&D.

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