Hafnium oxide - ≥99.9% metals basis, excluding Zr,Zr

CAS: 12055-23-1 Cat. No.: H123380 Fórmula: HfO₂ Peso molecular: 210.49 Número EC: 235-013-2

GRADE & PURITY ≥99.9% metals basis, excluding Zr,Zr <0.5%

Synonyms

Hafnium(IV) oxide | Hafnia | Hafnium dioxide

Storage

Room temperature

Shipped In

Normal

Descripción general

Hafnium(IV) oxide is used in optical coatings and in advanced metal-oxide-semiconductor devices. It is used as a gate insulator in field-effect transistors due to its high dielectric constant. It plays an important role as a possible candidate for resistive-switching memories, as a refractory material in the insulation of devices such as thermocouples and as a high-κ dielectric in DRAM capacitors. It is also used in the preparation of hafnium tetrachloride.

Specifications

Sinónimos

Hafnium(IV) oxide | Hafnia | Hafnium dioxide

Especificaciones y pureza

≥99.9% metals basis, excluding Zr,Zr <0.5%

Condiciones de almacenamiento de almacenamiento

Room temperature

Enviado en

Normal

Pureza

≥99.9% metals basis

Nombres e identificadores

Pubchem Sid

508814079

Sonrisas canónicas

O=[Hf]=O

IUPAC Name

dioxohafnium

InChIKey

CJNBYAVZURUTKZ-UHFFFAOYSA-N

INCHI

1S/Hf.2O

Isómeros SMILES

O=[Hf]=O

WGK Alemania

3

Peso molecular

210.49

Reaxy-Rn

13260127

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13260127&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Clase Transition metal organides
      • Subclass Transition metal oxides

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Clase: Transition metal organides
• Subclass: Transition metal oxides
• Intermediate Tree Nodes: Not available
• Direct Parent: Transition metal oxides
• Alternative Parents: Inorganic salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Transition metal oxide - Inorganic oxide - Inorganic salt
• Descripción: This compound belongs to the class of inorganic compounds known as transition metal oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen is a transition metal.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Propiedades químicas y físicas

• Solubilidad: Insoluble in water
• Punto de fusión (°C): 2810°C
• Peso molecular: 210.480 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 211.936 Da
• Monoisotopic Mass: 211.936 Da
• Topological Polar Surface Area: 34.100 Ų
• Heavy Atom Count: 3
• Formal Charge: 0
• Complexity: 18.300
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

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