Hafnium oxide - ≥98%, powder,Zr ＜1.5% , CAS No.12055-23-1

CAS: 12055-23-1 Cat. No.: H119447 Formula: HfO₂ Molecular Weight: 210.49 EC Number: 235-013-2

GRADE & PURITY ≥98%, powder,Zr ＜1.5%

Synonyms

Hafnium(IV) oxide

Storage

Room temperature

Shipped In

Normal

Specifications

Synonyms

Hafnium(IV) oxide

Specifications & Purity

≥98%, powder,Zr ＜1.5%

Storage

Room temperature

Shipped In

Normal

Purity

≥98%

Names and Identifiers

Pubchem Sid

488189329

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/488189329

Canonical Smiles

O=[Hf]=O

IUPAC Name

dioxohafnium

InChIKey

CJNBYAVZURUTKZ-UHFFFAOYSA-N

INCHI

1S/Hf.2O

Isomeric SMILES

O=[Hf]=O

WGK Germany

3

Molecular Weight

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
    • Class Transition metal organides
      • Subclass Transition metal oxides

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: 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
• Description: 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

Chemical and Physical Properties

• Melt Point(°C): 2810°C
• Molecular Weight: 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

XLogP3

Frequently Asked Questions

What is the purity of this product?

This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.

How should this product be stored?

Store at room temperature.

How is this product shipped?

This product ships under standard ambient conditions. No temperature-controlled packaging is required.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 12055-23-1, the molecular formula is HfO2, and the molecular weight is 210.49 g/mol. InChIKey CJNBYAVZURUTKZ-UHFFFAOYSA-N.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.